Stratford, ON
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HEAT WARNING
A prolonged heat event is expected to continue today. Daytime highs are expected to be in the 28 to 31 degree Celsius range with humidex values near 40. There will be little relief through the overnight as lows are expected to be 18 to 21 degrees Celsius. Less hot and humid conditions are expected to slowly move into the area on Sunday. There is some uncertainty regarding how quick this cooler and drier airmass will move in so heat warnings may persist for some areas through the Sunday. Temperatures and humidex values may be several degrees cooler near the shores of the Great Lakes. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category. Drink plenty of water regularly, even before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. The health risks are greater for older adults, infants and young children, pregnant people, people with physical and/or mental illnesses, and people with disabilities or mobility issues. Never leave people, particularly children, or pets inside a parked vehicle. Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions. Heat stroke is a medical emergency! Call 911 or your local emergency number immediately if you or someone you are caring for has a high body temperature and is confused, has stopped sweating or becomes unconscious. While waiting for help, cool the person right away: move them to a cool place, apply cold water to large areas of the skin and fan the person as much as possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.
- Huron - Perth
Current ConditionsObserved at: London Int'l Airport
- Observed at:
- London Int'l Airport
- Date:
- Condition:
- Fog
- Pressure:
- 101.8 kPa
- Tendency:
- Falling
- Temperature:
- 20.6°C
- Dew point:
- 20.6°C
- Humidity:
- 100%
- Wind:
- ESE 3 km/h
- Humidex:
- 29
- Visibility:
- 0.4 km
21°C
- Condition:
- Fog
- Pressure:
- 101.8 kPa
- Tendency:
- Falling
- Temperature:
- 20.6°C
- Dew point:
- 20.6°C
- Humidity:
- 100%
- Wind:
- ESE 3 km/h
- Humidex:
- 29
- Visibility:
- 0.4 km
ForecastForecast issued:
23 Jun
22°C
60%
Chance of showers
14°C
30%
Chance of showers
24 Jun
23°C
30%
Chance of showers
14°C
Clear
25 Jun
29°C
A mix of sun and cloud
18°C
30%
Chance of showers
26 Jun
24°C
30%
Chance of showers
11°C
30%
Chance of showers
27 Jun
22°C
A mix of sun and cloud
12°C
Clear
28 Jun
26°C
A mix of sun and cloud
HEAT WARNING
A prolonged heat event is expected to continue today. Daytime highs are expected to be in the 28 to 31 degree Celsius range with humidex values near 40. There will be little relief through the overnight as lows are expected to be 18 to 21 degrees Celsius. Less hot and humid conditions are expected to slowly move into the area on Sunday. There is some uncertainty regarding how quick this cooler and drier airmass will move in so heat warnings may persist for some areas through the Sunday. Temperatures and humidex values may be several degrees cooler near the shores of the Great Lakes. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category. Drink plenty of water regularly, even before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. The health risks are greater for older adults, infants and young children, pregnant people, people with physical and/or mental illnesses, and people with disabilities or mobility issues. Never leave people, particularly children, or pets inside a parked vehicle. Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions. Heat stroke is a medical emergency! Call 911 or your local emergency number immediately if you or someone you are caring for has a high body temperature and is confused, has stopped sweating or becomes unconscious. While waiting for help, cool the person right away: move them to a cool place, apply cold water to large areas of the skin and fan the person as much as possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.
- Huron - Perth
Detailed ForecastForecast issued:
HEAT WARNING
A prolonged heat event is expected to continue today. Daytime highs are expected to be in the 28 to 31 degree Celsius range with humidex values near 40. There will be little relief through the overnight as lows are expected to be 18 to 21 degrees Celsius. Less hot and humid conditions are expected to slowly move into the area on Sunday. There is some uncertainty regarding how quick this cooler and drier airmass will move in so heat warnings may persist for some areas through the Sunday. Temperatures and humidex values may be several degrees cooler near the shores of the Great Lakes. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category. Drink plenty of water regularly, even before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. The health risks are greater for older adults, infants and young children, pregnant people, people with physical and/or mental illnesses, and people with disabilities or mobility issues. Never leave people, particularly children, or pets inside a parked vehicle. Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions. Heat stroke is a medical emergency! Call 911 or your local emergency number immediately if you or someone you are caring for has a high body temperature and is confused, has stopped sweating or becomes unconscious. While waiting for help, cool the person right away: move them to a cool place, apply cold water to large areas of the skin and fan the person as much as possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.
- Huron - Perth
| Date | Detailed Forecast |
|---|---|
| Today | A mix of sun and cloud. Becoming cloudy this afternoon with 60 percent chance of showers later this afternoon. Risk of a thunderstorm this afternoon. Wind becoming southwest 20 km/h late this morning. High 30. Humidex 39. UV index 10 or very high. |
| Tonight | Cloudy. 60 percent chance of showers this evening and after midnight with risk of a thunderstorm. Wind southwest 20 km/h. Low 20. |
| Sun, 23 Jun | Mainly cloudy. 60 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h becoming west 40 gusting to 60 in the morning. High 22. Humidex 29. UV index 7 or high. |
| Night | Cloudy with 30 percent chance of showers. Low 14. |
| Mon, 24 Jun | A mix of sun and cloud with 30 percent chance of showers. High 23. |
| Night | Clear. Low 14. |
| Tue, 25 Jun | A mix of sun and cloud. High 29. |
| Night | Cloudy with 30 percent chance of showers. Low 18. |
| Wed, 26 Jun | Cloudy with 30 percent chance of showers. High 24. |
| Night | Cloudy periods with 30 percent chance of showers. Low 11. |
| Thu, 27 Jun | A mix of sun and cloud. High 22. |
| Night | Clear. Low 12. |
| Fri, 28 Jun | A mix of sun and cloud. High 26. |
| Normals | Max24°C.Min13°C. | Sunrise | 5:44 EDT | Sunset | 21:08 EDT |
|---|
Detailed ForecastForecast issued:
20°C
22°C
Night:Cloudy with 30 percent chance of showers. Low 14.
23°C
Night:Clear. Low 14.
29°C
Night:Cloudy with 30 percent chance of showers. Low 18.
24°C
Night:Cloudy periods with 30 percent chance of showers. Low 11.
22°C
Night:Clear. Low 12.
26°C
- Normals:
- Max24°C.Min13°C.
- Sunrise:
- 5:44 EDT
- Sunset:
- 21:08 EDT
Averages and extremes
17 Jun
- Average high
- 24.1°C
- Average low
- 12.4°C
- Highest temperature (1941-2002)
- 33.8°C
- 1994
- Lowest temperature (1941-2002)
- 1.1°C
- 1980
- Greatest precipitation (1941-2002)
- 81.8 mm
- 1946
- Greatest rainfall (1941-2002)
- 81.8 mm
- 1946
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
18 Jun
- Average high
- 24.2°C
- Average low
- 12.5°C
- Highest temperature (1941-2002)
- 34.2°C
- 1994
- Lowest temperature (1941-2002)
- 2.2°C
- 1950
- Greatest precipitation (1941-2002)
- 28.2 mm
- 1996
- Greatest rainfall (1941-2002)
- 28.2 mm
- 1996
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
19 Jun
- Average high
- 24.3°C
- Average low
- 12.7°C
- Highest temperature (1941-2002)
- 33.9°C
- 1995
- Lowest temperature (1941-2002)
- 6.7°C
- 1950
- Greatest precipitation (1941-2002)
- 16.5 mm
- 1980
- Greatest rainfall (1941-2002)
- 16.5 mm
- 1980
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
20 Jun
- Average high
- 24.4°C
- Average low
- 12.8°C
- Highest temperature (1941-2002)
- 33.9°C
- 1953
- Lowest temperature (1941-2002)
- 3.9°C
- 1970
- Greatest precipitation (1941-2002)
- 19.6 mm
- 1956
- Greatest rainfall (1941-2002)
- 19.6 mm
- 1956
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
21 Jun
- Average high
- 24.5°C
- Average low
- 12.9°C
- Highest temperature (1941-2002)
- 32.2°C
- 1941
- Lowest temperature (1941-2002)
- 3.3°C
- 1969
- Greatest precipitation (1941-2002)
- 36.1 mm
- 1972
- Greatest rainfall (1941-2002)
- 36.1 mm
- 1972
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
22 Jun
- Average high
- 24.6°C
- Average low
- 13.0°C
- Highest temperature (1941-2002)
- 32.8°C
- 1941
- Lowest temperature (1941-2002)
- 1.3°C
- 1992
- Greatest precipitation (1941-2002)
- 26.0 mm
- 1987
- Greatest rainfall (1941-2002)
- 26.0 mm
- 1987
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
23 Jun
- Average high
- 24.7°C
- Average low
- 13.1°C
- Highest temperature (1941-2002)
- 32.5°C
- 1983
- Lowest temperature (1941-2002)
- 5.1°C
- 1992
- Greatest precipitation (1941-2002)
- 28.8 mm
- 1990
- Greatest rainfall (1941-2002)
- 28.8 mm
- 1990
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
24 Jun
- Average high
- 24.9°C
- Average low
- 13.2°C
- Highest temperature (1941-2002)
- 35.6°C
- 1952
- Lowest temperature (1941-2002)
- 4.3°C
- 1979
- Greatest precipitation (1941-2002)
- 31.8 mm
- 1994
- Greatest rainfall (1941-2002)
- 31.8 mm
- 1994
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
25 Jun
- Average high
- 25.0°C
- Average low
- 13.4°C
- Highest temperature (1941-2002)
- 38.2°C
- 1988
- Lowest temperature (1941-2002)
- 5.8°C
- 1979
- Greatest precipitation (1941-2002)
- 82.6 mm
- 1968
- Greatest rainfall (1941-2002)
- 82.6 mm
- 1968
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
26 Jun
- Average high
- 25.1°C
- Average low
- 13.5°C
- Highest temperature (1941-2002)
- 33.6°C
- 1983
- Lowest temperature (1941-2002)
- 6.2°C
- 1979
- Greatest precipitation (1941-2002)
- 17.4 mm
- 2000
- Greatest rainfall (1941-2002)
- 17.4 mm
- 2000
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
27 Jun
- Average high
- 25.2°C
- Average low
- 13.6°C
- Highest temperature (1941-2002)
- 33.9°C
- 1941
- Lowest temperature (1941-2002)
- 8.3°C
- 1961
- Greatest precipitation (1941-2002)
- 56.4 mm
- 1943
- Greatest rainfall (1941-2002)
- 56.4 mm
- 1943
- Greatest snowfall (1941-2002)
- 0.0 cm
- Most snow on the ground (1955-2002)
- 0.0 cm
- Monthly frequency of precipitation
- 39%
Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.
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