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St. Catharines, ON Hourly Weather

Hourly forecast · St. Catharines

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — St. Catharines

Today + 10-day →
Time Conditions Temp Precip Wind UV
Thursday 3/9
09:00
Heavy rain 23° 0.40 in 5 mph NW 1
10:00
Heavy rain 24° 0.40 in 5 mph W 3
11:00
Heavy rain 26° 0.40 in 3 mph W 5
12:00
Heavy rain 29° 0.40 in 4 mph W 6
13:00
Mostly cloudy 23° 6 mph NW 5
14:00
Mostly cloudy 24° 4 mph NW 6
15:00
Mostly cloudy 24° 4 mph SE 5
16:00
Partly cloudy 24° 4 mph E 3
17:00
Partly cloudy 25° 1 mph S 1
18:00
Partly cloudy 25° 0.01 in 1 mph SW 0
19:00
Partly cloudy 25° 0.01 in 3 mph W 0
20:00
Partly cloudy 25° 5 mph NW 0
21:00
Mostly cloudy 24° 4 mph NW 0
22:00
Mostly cloudy 24° 6 mph NW 0
23:00
Mostly cloudy 22° 10 mph N 0
Friday 4/9
00:00
Partly cloudy 22° 8 mph N 0
01:00
Mostly cloudy 21° 4 mph N 0
02:00
Mostly cloudy 21° 5 mph N 0
03:00
Sunny 20° 5 mph N 0
04:00
Partly cloudy 20° 6 mph N 0
05:00
Mostly cloudy 20° 7 mph N 0
06:00
Partly cloudy 20° 6 mph N 0
07:00
Mostly cloudy 19° 5 mph N 0
08:00
Mostly cloudy 19° 5 mph NW 0
09:00
Mostly cloudy 20° 6 mph NW 1
10:00
Sunny 20° 8 mph NW 2
11:00
Sunny 20° 7 mph N 4
12:00
Sunny 21° 4 mph N 6
13:00
Sunny 21° 3 mph W 7
14:00
Sunny 22° 4 mph W 6
15:00
Sunny 23° 3 mph W 5
16:00
Sunny 23° 4 mph NW 4
17:00
Sunny 24° 9 mph N 2
18:00
Sunny 23° 13 mph N 1
19:00
Sunny 23° 13 mph N 0
20:00
Sunny 22° 13 mph N 0
21:00
Sunny 21° 13 mph N 0
22:00
Sunny 20° 13 mph N 0
23:00
Sunny 20° 11 mph N 0
Saturday 5/9
00:00
Sunny 19° 11 mph N 0
01:00
Sunny 19° 10 mph N 0
02:00
Sunny 19° 8 mph NE 0
03:00
Sunny 18° 7 mph NE 0
04:00
Sunny 18° 4 mph NE 0
05:00
Sunny 18° 3 mph N 0
06:00
Sunny 18° 4 mph N 0
07:00
Sunny 18° 7 mph N 0
08:00
Sunny 18° 9 mph NE 0
Hourly
How the hourly forecast is made
Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:17 AM