St. Catharines, ON
Current Conditions
- Wind:
- W 7 km/h
- W 4 mph
More details
- Temperature:
- 8.7°C
- 47.7° F
- Pressure:
- 100.0 kPa
- 29.5 inches
- Dew point:
- 8.5°C
- 47.3°F
- Humidity:
- 99%
- Date:
- 3:00 AM EDT Monday 12 April 2021
- Observed at:
- St. Catharines / Niagara District Airport
ForecastForecast issued: 3:32 PM EDT Sunday 11 April 2021
12 Apr

9°C48°F
Showers

4°C39°F
60%
Chance of showers
13 Apr

9°C48°F
60%
Chance of showers

5°C41°F
60%
Chance of showers
14 Apr

12°C54°F
40%
Chance of showers

6°C43°F
30%
Chance of showers
15 Apr

12°C54°F
A mix of sun and cloud

4°C39°F
Cloudy periods
16 Apr

12°C54°F
A mix of sun and cloud

4°C39°F
Cloudy periods
17 Apr

12°C54°F
A mix of sun and cloud
date | Detailed Forecast |
---|---|
Tonight | Cloudy. 40 percent chance of showers early this evening. Showers beginning this evening. Risk of a thunderstorm early this evening. Fog patches developing near midnight. Low 7. |
Mon, 12 Apr | Showers ending in the afternoon then cloudy with 60 percent chance of showers. Fog patches dissipating in the morning. Temperature steady near 9. UV index 3 or moderate. |
Night | Cloudy with 60 percent chance of showers. Low plus 4. |
Tue, 13 Apr | Cloudy with 60 percent chance of showers. High 9. |
Night | Cloudy with 60 percent chance of showers. Low plus 5. |
Wed, 14 Apr | A mix of sun and cloud with 40 percent chance of showers. High 12. |
Night | Cloudy periods with 30 percent chance of showers. Low 6. |
Thu, 15 Apr | A mix of sun and cloud. High 12. |
Night | Cloudy periods. Low plus 4. |
Fri, 16 Apr | A mix of sun and cloud. High 12. |
Night | Cloudy periods. Low plus 4. |
Sat, 17 Apr | A mix of sun and cloud. High 12. |
Normals | Max 12°C.54°F. Min 2°C.36°F. | Sunrise | 6:40 EDT | Sunset | 19:56 EDT |
---|
ForecastForecast issued: 3:32 PM EDT Sunday 11 April 2021
Detailed ForecastForecast issued: 3:32 PM EDT Sunday 11 April 2021

9°C48°F

9°C48°F

12°C54°F

12°C54°F

12°C54°F

12°C54°F
- Normals:
- Max 12°C.54°F. Min 2°C.36°F.
- Sunrise:
- 6:40 EDT
- Sunset:
- 19:56 EDT
Averages and extremes
07 April
- Average high
- 10.2°C50.4°F
- Average low
- 0.5°C32.9°F
- Highest temperature (1972-2000)
- 25.2°C77.4°F
- 1991
- Lowest temperature (1972-2000)
- -9.1°C15.6°F
- 1982
- Greatest precipitation (1972-2000)
- 16.9 mm0.67 inches
- 1983
- Greatest rainfall (1972-2000)
- 16.9 mm0.67 inches
- 1983
- Greatest snowfall (1972-2000)
- 8.1 cm3.19 inches
- 1974
- Most snow on the ground (1972-2000)
- 20.0 cm7.87 inches
- 1994
- Monthly frequency of precipitation
- 46 %
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.
08 April
- Average high
- 10.4°C50.7°F
- Average low
- 0.7°C33.3°F
- Highest temperature (1972-2000)
- 23.9°C75.0°F
- 1991
- Lowest temperature (1972-2000)
- -7.8°C18.0°F
- 1972
- Greatest precipitation (1972-2000)
- 32.5 mm1.28 inches
- 2000
- Greatest rainfall (1972-2000)
- 30.0 mm1.18 inches
- 2000
- Greatest snowfall (1972-2000)
- 7.0 cm2.76 inches
- 1979
- Most snow on the ground (1972-2000)
- 5.0 cm1.97 inches
- 1972
- Monthly frequency of precipitation
- 46 %
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.
09 April
- Average high
- 10.6°C51.1°F
- Average low
- 0.9°C33.6°F
- Highest temperature (1972-2000)
- 21.6°C70.9°F
- 1991
- Lowest temperature (1972-2000)
- -8.3°C17.1°F
- 1972
- Greatest precipitation (1972-2000)
- 33.0 mm1.3 inches
- 1979
- Greatest rainfall (1972-2000)
- 4.6 mm0.18 inches
- 1999
- Greatest snowfall (1972-2000)
- 19.6 cm7.72 inches
- 1979
- Most snow on the ground (1972-2000)
- 10.0 cm3.94 inches
- 1979
- Monthly frequency of precipitation
- 46 %
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.
10 April
- Average high
- 10.9°C51.6°F
- Average low
- 1.0°C33.8°F
- Highest temperature (1972-2000)
- 21.2°C70.2°F
- 1987
- Lowest temperature (1972-2000)
- -6.6°C20.1°F
- 1997
- Greatest precipitation (1972-2000)
- 30.6 mm1.2 inches
- 1990
- Greatest rainfall (1972-2000)
- 30.0 mm1.18 inches
- 1990
- Greatest snowfall (1972-2000)
- 2.2 cm0.87 inches
- 1986
- Most snow on the ground (1972-2000)
- 21.0 cm8.27 inches
- 1979
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 11.1°C52.0°F
- Average low
- 1.2°C34.2°F
- Highest temperature (1972-2000)
- 25.4°C77.7°F
- 1977
- Lowest temperature (1972-2000)
- -6.7°C19.9°F
- 1979
- Greatest precipitation (1972-2000)
- 13.2 mm0.52 inches
- 1992
- Greatest rainfall (1972-2000)
- 13.2 mm0.52 inches
- 1992
- Greatest snowfall (1972-2000)
- 6.0 cm2.36 inches
- 2000
- Most snow on the ground (1972-2000)
- 5.0 cm1.97 inches
- 1979
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 11.3°C52.3°F
- Average low
- 1.4°C34.5°F
- Highest temperature (1972-2000)
- 26.3°C79.3°F
- 1977
- Lowest temperature (1972-2000)
- -5.0°C23.0°F
- 1975
- Greatest precipitation (1972-2000)
- 35.0 mm1.38 inches
- 1996
- Greatest rainfall (1972-2000)
- 35.0 mm1.38 inches
- 1996
- Greatest snowfall (1972-2000)
- 0.8 cm0.31 inches
- 1973
- Most snow on the ground (1972-2000)
- 3.0 cm1.18 inches
- 1979
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 11.6°C52.9°F
- Average low
- 1.6°C34.9°F
- Highest temperature (1972-2000)
- 24.8°C76.6°F
- 1977
- Lowest temperature (1972-2000)
- -4.9°C23.2°F
- 1992
- Greatest precipitation (1972-2000)
- 24.6 mm0.97 inches
- 1996
- Greatest rainfall (1972-2000)
- 24.6 mm0.97 inches
- 1996
- Greatest snowfall (1972-2000)
- 0.6 cm0.24 inches
- 1997
- Most snow on the ground (1972-2000)
- 1.0 cm0.39 inches
- 1979
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 11.8°C53.2°F
- Average low
- 1.7°C35.1°F
- Highest temperature (1972-2000)
- 21.7°C71.1°F
- 1974
- Lowest temperature (1972-2000)
- -5.0°C23.0°F
- 1973
- Greatest precipitation (1972-2000)
- 21.4 mm0.84 inches
- 1980
- Greatest rainfall (1972-2000)
- 21.4 mm0.84 inches
- 1980
- Greatest snowfall (1972-2000)
- 0.0 cm0.0 inches
- Most snow on the ground (1972-2000)
- 0.0 cm0.0 inches
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 12.0°C53.6°F
- Average low
- 1.9°C35.4°F
- Highest temperature (1972-2000)
- 28.1°C82.6°F
- 1994
- Lowest temperature (1972-2000)
- -4.3°C24.3°F
- 1992
- Greatest precipitation (1972-2000)
- 12.6 mm0.5 inches
- 1991
- Greatest rainfall (1972-2000)
- 12.6 mm0.5 inches
- 1991
- Greatest snowfall (1972-2000)
- 1.6 cm0.63 inches
- 1988
- Most snow on the ground (1972-2000)
- 0.0 cm0.0 inches
- Monthly frequency of precipitation
- 46 %
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 April
- Average high
- 12.3°C54.1°F
- Average low
- 2.1°C35.8°F
- Highest temperature (1972-2000)
- 26.1°C79.0°F
- 1976
- Lowest temperature (1972-2000)
- -3.9°C25.0°F
- 1980
- Greatest precipitation (1972-2000)
- 37.8 mm1.49 inches
- 1992
- Greatest rainfall (1972-2000)
- 37.8 mm1.49 inches
- 1992
- Greatest snowfall (1972-2000)
- 0.0 cm0.0 inches
- Most snow on the ground (1972-2000)
- 0.0 cm0.0 inches
- Monthly frequency of precipitation
- 46 %
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.
Yesterday's Data
No data available for this location
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