St. Catharines, ON
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Current ConditionsObserved at: St. Catharines / Niagara District Airport
- Observed at:
- St. Catharines / Niagara District Airport
- Date:
- Condition:
- Cloudy
- Pressure:
- 101.0 kPa
- Tendency:
- Rising
- Temperature:
- 14.2°C
- Dew point:
- 12.1°C
- Humidity:
- 87%
- Wind:
- NE 15 km/h
- Visibility:
- 24 km
14°C
- Condition:
- Cloudy
- Pressure:
- 101.0 kPa
- Tendency:
- Rising
- Temperature:
- 14.2°C
- Dew point:
- 12.1°C
- Humidity:
- 87%
- Wind:
- NE 15 km/h
- Visibility:
- 24 km
Cloudy
14°C
- °C
- °F
- Wind:
- NE 15 km/h
More details
- Temperature:
- 14.2°C
- Pressure:
- 101.0 kPa
- Dew point:
- 12.1°C
- Visibility:
- 24 km
- Humidity:
- 87%
- Date:
- Observed at:
- St. Catharines / Niagara District Airport
ForecastForecast issued:
16 May
20°C
Mainly cloudy
14°C
Cloudy
17 May
17°C
40%
Chance of showers
14°C
60%
Chance of showers
18 May
20°C
40%
Chance of showers
13°C
Cloudy periods
19 May
22°C
A mix of sun and cloud
13°C
Cloudy periods
20 May
21°C
30%
Chance of showers
14°C
30%
Chance of showers
21 May
20°C
A mix of sun and cloud
Detailed ForecastForecast issued:
| Date | Detailed Forecast |
|---|---|
| Today | Cloudy. Clearing near noon. Wind becoming northeast 20 km/h late this morning. High 18. UV index 8 or very high. |
| Tonight | A few clouds. Increasing cloudiness after midnight. Fog patches developing near midnight. Wind east 20 km/h becoming light early this evening. Low 13. |
| Thu, 16 May | Cloudy. Becoming a mix of sun and cloud near noon. Fog patches dissipating in the morning. High 20. UV index 7 or high. |
| Night | Cloudy. Low 14. |
| Fri, 17 May | Cloudy with 40 percent chance of showers. High 17. |
| Night | Cloudy with 60 percent chance of showers. Low 14. |
| Sat, 18 May | Cloudy with 40 percent chance of showers. High 20. |
| Night | Cloudy periods. Low 13. |
| Sun, 19 May | A mix of sun and cloud. High 22. |
| Night | Cloudy periods. Low 13. |
| Mon, 20 May | A mix of sun and cloud with 30 percent chance of showers. High 21. |
| Night | Cloudy periods with 30 percent chance of showers. Low 14. |
| Tue, 21 May | A mix of sun and cloud. High 20. |
| Normals | Max19°C.Min9°C. | Sunrise | 5:52 EDT | Sunset | 20:35 EDT |
|---|
Detailed ForecastForecast issued:
13°C
20°C
Night:Cloudy. Low 14.
17°C
Night:Cloudy with 60 percent chance of showers. Low 14.
20°C
Night:Cloudy periods. Low 13.
22°C
Night:Cloudy periods. Low 13.
21°C
Night:Cloudy periods with 30 percent chance of showers. Low 14.
20°C
- Normals:
- Max19°C.Min9°C.
- Sunrise:
- 5:52 EDT
- Sunset:
- 20:35 EDT
Averages and extremes
10 May
- Average high
- 18.2°C
- Average low
- 6.7°C
- Highest temperature (1972-2000)
- 29.9°C
- 1979
- Lowest temperature (1972-2000)
- 2.0°C
- 1983
- Greatest precipitation (1972-2000)
- 26.4 mm
- 1996
- Greatest rainfall (1972-2000)
- 26.4 mm
- 1996
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
11 May
- Average high
- 18.4°C
- Average low
- 6.9°C
- Highest temperature (1972-2000)
- 29.7°C
- 1979
- Lowest temperature (1972-2000)
- 2.0°C
- 1983
- Greatest precipitation (1972-2000)
- 23.2 mm
- 1989
- Greatest rainfall (1972-2000)
- 23.2 mm
- 1989
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
12 May
- Average high
- 18.6°C
- Average low
- 7.1°C
- Highest temperature (1972-2000)
- 29.2°C
- 1991
- Lowest temperature (1972-2000)
- 1.7°C
- 1972
- Greatest precipitation (1972-2000)
- 34.6 mm
- 2000
- Greatest rainfall (1972-2000)
- 34.6 mm
- 2000
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
13 May
- Average high
- 18.9°C
- Average low
- 7.3°C
- Highest temperature (1972-2000)
- 28.6°C
- 1991
- Lowest temperature (1972-2000)
- 1.1°C
- 1994
- Greatest precipitation (1972-2000)
- 23.6 mm
- 1990
- Greatest rainfall (1972-2000)
- 23.6 mm
- 1990
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
14 May
- Average high
- 19.1°C
- Average low
- 7.5°C
- Highest temperature (1972-2000)
- 28.6°C
- 1991
- Lowest temperature (1972-2000)
- 1.5°C
- 1994
- Greatest precipitation (1972-2000)
- 16.2 mm
- 1991
- Greatest rainfall (1972-2000)
- 16.2 mm
- 1991
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
15 May
- Average high
- 19.3°C
- Average low
- 7.6°C
- Highest temperature (1972-2000)
- 28.8°C
- 1998
- Lowest temperature (1972-2000)
- 1.7°C
- 1977
- Greatest precipitation (1972-2000)
- 20.6 mm
- 1994
- Greatest rainfall (1972-2000)
- 20.6 mm
- 1994
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
16 May
- Average high
- 19.5°C
- Average low
- 7.8°C
- Highest temperature (1972-2000)
- 30.3°C
- 1998
- Lowest temperature (1972-2000)
- 2.4°C
- 1980
- Greatest precipitation (1972-2000)
- 25.0 mm
- 1990
- Greatest rainfall (1972-2000)
- 25.0 mm
- 1990
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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.
17 May
- Average high
- 19.7°C
- Average low
- 8.0°C
- Highest temperature (1972-2000)
- 31.4°C
- 1977
- Lowest temperature (1972-2000)
- 1.0°C
- 1983
- Greatest precipitation (1972-2000)
- 22.6 mm
- 1991
- Greatest rainfall (1972-2000)
- 22.6 mm
- 1991
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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 May
- Average high
- 19.9°C
- Average low
- 8.2°C
- Highest temperature (1972-2000)
- 29.8°C
- 1999
- Lowest temperature (1972-2000)
- 0.6°C
- 1981
- Greatest precipitation (1972-2000)
- 24.0 mm
- 1986
- Greatest rainfall (1972-2000)
- 24.0 mm
- 1986
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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 May
- Average high
- 20.1°C
- Average low
- 8.4°C
- Highest temperature (1972-2000)
- 30.5°C
- 1996
- Lowest temperature (1972-2000)
- 1.1°C
- 1973
- Greatest precipitation (1972-2000)
- 44.2 mm
- 1986
- Greatest rainfall (1972-2000)
- 44.2 mm
- 1986
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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 May
- Average high
- 20.3°C
- Average low
- 8.6°C
- Highest temperature (1972-2000)
- 29.9°C
- 1977
- Lowest temperature (1972-2000)
- 2.2°C
- 1993
- Greatest precipitation (1972-2000)
- 18.2 mm
- 1996
- Greatest rainfall (1972-2000)
- 18.2 mm
- 1996
- Greatest snowfall (1972-2000)
- 0.0 cm
- Most snow on the ground (1972-2000)
- 0.0 cm
- Monthly frequency of precipitation
- 37%
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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