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St. Catharines, ON

FROST ADVISORY

Current Conditions

Partly Cloudy

Partly Cloudy

9°C48°F

Wind:
NW 16 km/h
NW 10 mph
More details
Temperature:
8.8°C
47.8° F
Pressure:
101.7 kPa
30.0 inches
Dew point:
2.4°C
36.3°F
Visibility:
24 km
15 miles
Humidity:
64%
Date:
1:00 PM EDT Friday 18 October 2019
Observed at:
St. Catharines / Niagara District Airport
Past 24 hour ConditionsPast 24 hour Conditions
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Hourly Forecast
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Historical Weather

ForecastForecast issued: 11:00 AM EDT Friday 18 October 2019

FROST ADVISORY

Detailed ForecastForecast issued: 11:00 AM EDT Friday 18 October 2019

A mix of sun and cloud
Today
11°C52°F
A mix of sun and cloud. Wind northwest 20 km/h gusting to 40 becoming light this afternoon. High 11. UV index 4 or moderate.
A few clouds
Tonight
1°C34°F
A few clouds. Fog patches developing late this evening. Low plus 1 with patchy frost.
A mix of sun and cloud
Sat, 19 Oct
16°C61°F
Mainly sunny. Increasing cloudiness early in the afternoon. Fog patches dissipating in the morning. High 16. UV index 5 or moderate.
Night:  Cloudy. Low 7.
Cloudy
Sun, 20 Oct
15°C59°F
Cloudy. High 15.
Night:  Cloudy periods. Low 6.
Chance of showers
Mon, 21 Oct
14°C57°F
Cloudy with 40 percent chance of showers. High 14.
Night:  Cloudy with 60 percent chance of showers. Low 10.
Chance of showers
Tue, 22 Oct
14°C57°F
Cloudy with 40 percent chance of showers. High 14.
Night:  Cloudy with 40 percent chance of showers. Low 7.
Chance of showers
Wed, 23 Oct
11°C52°F
Cloudy with 30 percent chance of showers. High 11.
Night:  Cloudy with 30 percent chance of showers. Low plus 5.
Cloudy
Thu, 24 Oct
12°C54°F
Cloudy. High 12.
Normals:
Max 12°C.54°F. Min 2°C.36°F.
Sunrise:
7:34 EDT
Sunset:
18:31 EDT

Averages and extremes

13 October
Average high
  • 15.5°C59.9°F
Average low
  • 6.1°C43.0°F
Highest temperature (1971-2000)
  • 26.7°C80.1°F
  • 1983
Lowest temperature (1971-2000)
  • -2.9°C26.8°F
  • 1993
Greatest precipitation (1971-2000)
  • 33.0 mm1.3 inches
  • 1999
Greatest rainfall (1971-2000)
  • 33.0 mm1.3 inches
  • 1999
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
14 October
Average high
  • 15.3°C59.5°F
Average low
  • 5.9°C42.6°F
Highest temperature (1971-2000)
  • 22.8°C73.0°F
  • 1974
Lowest temperature (1971-2000)
  • -3.1°C26.4°F
  • 1993
Greatest precipitation (1971-2000)
  • 13.4 mm0.53 inches
  • 1978
Greatest rainfall (1971-2000)
  • 13.4 mm0.53 inches
  • 1978
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
15 October
Average high
  • 15.1°C59.2°F
Average low
  • 5.7°C42.3°F
Highest temperature (1971-2000)
  • 22.2°C72.0°F
  • 1971
Lowest temperature (1971-2000)
  • 0.7°C33.3°F
  • 1996
Greatest precipitation (1971-2000)
  • 31.2 mm1.23 inches
  • 1992
Greatest rainfall (1971-2000)
  • 31.2 mm1.23 inches
  • 1992
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
16 October
Average high
  • 14.8°C58.6°F
Average low
  • 5.5°C41.9°F
Highest temperature (1971-2000)
  • 25.0°C77.0°F
  • 1989
Lowest temperature (1971-2000)
  • -0.7°C30.7°F
  • 1994
Greatest precipitation (1971-2000)
  • 4.4 mm0.17 inches
  • 1992
Greatest rainfall (1971-2000)
  • 4.4 mm0.17 inches
  • 1992
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
17 October
Average high
  • 14.6°C58.3°F
Average low
  • 5.3°C41.5°F
Highest temperature (1971-2000)
  • 24.5°C76.1°F
  • 1990
Lowest temperature (1971-2000)
  • -2.0°C28.4°F
  • 1978
Greatest precipitation (1971-2000)
  • 21.6 mm0.85 inches
  • 1975
Greatest rainfall (1971-2000)
  • 21.6 mm0.85 inches
  • 1975
Greatest snowfall (1971-2000)
  • 0.3 cm0.12 inches
  • 1972
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
18 October
Average high
  • 14.4°C57.9°F
Average low
  • 5.2°C41.4°F
Highest temperature (1971-2000)
  • 24.9°C76.8°F
  • 1998
Lowest temperature (1971-2000)
  • -3.3°C26.1°F
  • 1972
Greatest precipitation (1971-2000)
  • 35.8 mm1.41 inches
  • 1985
Greatest rainfall (1971-2000)
  • 35.8 mm1.41 inches
  • 1985
Greatest snowfall (1971-2000)
  • 0.8 cm0.31 inches
  • 1972
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
19 October
Average high
  • 14.2°C57.6°F
Average low
  • 5.0°C41.0°F
Highest temperature (1971-2000)
  • 23.3°C73.9°F
  • 1979
Lowest temperature (1971-2000)
  • -4.4°C24.1°F
  • 1974
Greatest precipitation (1971-2000)
  • 26.2 mm1.03 inches
  • 1996
Greatest rainfall (1971-2000)
  • 26.2 mm1.03 inches
  • 1996
Greatest snowfall (1971-2000)
  • 1.0 cm0.39 inches
  • 1994
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
20 October
Average high
  • 13.9°C57.0°F
Average low
  • 4.8°C40.6°F
Highest temperature (1971-2000)
  • 23.5°C74.3°F
  • 1979
Lowest temperature (1971-2000)
  • -3.9°C25.0°F
  • 1972
Greatest precipitation (1971-2000)
  • 17.0 mm0.67 inches
  • 1995
Greatest rainfall (1971-2000)
  • 17.0 mm0.67 inches
  • 1995
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
21 October
Average high
  • 13.7°C56.7°F
Average low
  • 4.7°C40.5°F
Highest temperature (1971-2000)
  • 24.0°C75.2°F
  • 1979
Lowest temperature (1971-2000)
  • -1.7°C28.9°F
  • 1974
Greatest precipitation (1971-2000)
  • 13.6 mm0.54 inches
  • 1981
Greatest rainfall (1971-2000)
  • 13.6 mm0.54 inches
  • 1981
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
22 October
Average high
  • 13.5°C56.3°F
Average low
  • 4.5°C40.1°F
Highest temperature (1971-2000)
  • 26.5°C79.7°F
  • 1979
Lowest temperature (1971-2000)
  • -0.8°C30.6°F
  • 1987
Greatest precipitation (1971-2000)
  • 14.5 mm0.57 inches
  • 1972
Greatest rainfall (1971-2000)
  • 14.5 mm0.57 inches
  • 1972
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %
23 October
Average high
  • 13.3°C55.9°F
Average low
  • 4.4°C39.9°F
Highest temperature (1971-2000)
  • 25.1°C77.2°F
  • 1991
Lowest temperature (1971-2000)
  • -2.0°C28.4°F
  • 1980
Greatest precipitation (1971-2000)
  • 21.2 mm0.83 inches
  • 1983
Greatest rainfall (1971-2000)
  • 21.2 mm0.83 inches
  • 1983
Greatest snowfall (1971-2000)
  • 0.0 cm0.0 inches
Most snow on the ground (1971-2000)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 38 %

Yesterday's Data

No data available for this location

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