Observed at: St. Catharines Airport
Date: 3:00 AM EST Tuesday 23 January 2018
Temperature: 1.9°C
Wind: W 12 km/h
Humidity: 99%
Dew point: 1.7°C
Pressure: 99.9 kPa
Sunrise: 7:41 EST
Sunset: 17:17 EST
Normals:
Max -1°C. Min -8°C.
 Extended Forecast - Environment Canada
 

Forecast

St. Catharines, ON (Issued: 1:08 AM EST Tuesday 23 January 2018)
Monday night
Periods of rain ending overnight then mainly cloudy with 40 percent chance of showers. Risk of thunderstorms after midnight. Fog patches. Wind south 20 km/h. Temperature rising to 8 by morning.
Tuesday
Mainly cloudy. 60 percent chance of showers in the afternoon. Fog patches dissipating in the morning. Wind south 20 km/h becoming southwest 40 gusting to 60 in the morning. High 8 with temperature falling to plus 3 in the afternoon.
Tuesday night
Cloudy. 60 percent chance of rain showers early in the evening. Flurries beginning in the evening. Wind west 40 km/h gusting to 60. Low minus 4.
Wednesday
A mix of sun and cloud. High minus 4.
Wednesday night
Cloudy periods. Low minus 9.
Thursday
Cloudy. High minus 4.
Thursday night
Cloudy periods. Low minus 7.
Friday
A mix of sun and cloud. High plus 5.
Friday night
Cloudy. Low plus 2.
Saturday
Cloudy with 40 percent chance of showers. High 6.
Saturday night
Cloudy with 60 percent chance of showers. Low plus 5.
Sunday
Cloudy with 60 percent chance of showers. High plus 5.

Environment Canada