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Ottawa, ON Hourly Weather

Hourly forecast · Ottawa

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 — Ottawa

Today + 10-day →
Time Conditions Temp Precip Wind UV
Friday 21/8
06:00
Sunny 51° 4 mph N 0
07:00
Sunny 52° 3 mph N 0
08:00
Sunny 56° 2 mph N 1
09:00
Mostly cloudy 61° 2 mph NE 2
10:00
Sunny 66° 2 mph SE 3
11:00
Mostly cloudy 68° 2 mph SE 5
12:00
Sunny 74° 2 mph SE 6
13:00
Sunny 73° 2 mph SE 7
14:00
Sunny 76° 2 mph SE 6
15:00
Mostly cloudy 72° 2 mph S 5
16:00
Sunny 76° 3 mph S 3
17:00
Sunny 71° 4 mph SE 2
18:00
Sunny 70° 3 mph S 1
19:00
Sunny 67° 4 mph SE 0
20:00
Sunny 62° 3 mph SE 0
21:00
Sunny 60° 2 mph SE 0
22:00
Sunny 59° 3 mph NE 0
23:00
Sunny 57° 3 mph E 0
Saturday 22/8
00:00
Sunny 56° 4 mph E 0
01:00
Sunny 55° 4 mph NE 0
02:00
Sunny 54° 4 mph NE 0
03:00
Sunny 53° 4 mph NE 0
04:00
Sunny 52° 4 mph E 0
05:00
Mostly cloudy 51° 4 mph NE 0
06:00
Mostly cloudy 51° 4 mph NE 0
07:00
Mostly cloudy 53° 5 mph E 0
08:00
Partly cloudy 55° 7 mph E 1
09:00
Mostly cloudy 59° 9 mph E 2
10:00
Partly cloudy 63° 8 mph E 3
11:00
Sunny 66° 9 mph E 5
12:00
Sunny 70° 8 mph E 5
13:00
Sunny 73° 9 mph SE 6
14:00
Sunny 74° 9 mph SE 5
15:00
Mostly cloudy 76° 8 mph SE 4
16:00
Mostly cloudy 76° 7 mph SE 3
17:00
Partly cloudy 75° 0.01 in 9 mph SE 2
18:00
Partly cloudy 70° 8 mph E 1
19:00
Partly cloudy 68° 5 mph SE 0
20:00
Partly cloudy 67° 4 mph SE 0
21:00
Partly cloudy 65° 3 mph E 0
22:00
Partly cloudy 64° 0.00 in 5 mph E 0
23:00
Fog 62° 0.01 in 5 mph SE 0
Sunday 23/8
00:00
Partly cloudy 62° 0.00 in 5 mph E 0
01:00
Partly cloudy 60° 0.00 in 5 mph E 0
02:00
Showers 60° 0.01 in 5 mph E 0
03:00
Showers 59° 0.01 in 5 mph E 0
04:00
Showers 59° 0.02 in 4 mph E 0
05:00
Showers 59° 0.04 in 6 mph E 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: 6:26 AM