The long-range forecast for Ottawa reveals lower temperatures than usual for this time of the year, dipping to 12°. In the coming days, the forecasted temperatures are expected to be on average -2 °C lower than the average of the last few years.
Select a month and click on a day for more information:
Friday
May 1
11° / 3°
Saturday
May 2
11° / 5°
Sunday
May 3
11° / 5°
Monday
May 4
13° / 5°
Tuesday
May 5
14° / 6°
Wednesday
May 6
13° / 7°
Thursday
May 7
13° / 0°
Friday
May 8
14° / 1°
Saturday
May 9
12° / 5°
Sunday
May 10
15° / 3°
Monday
May 11
14° / 3°
Tuesday
May 12
14° / 2°
Wednesday
May 13
15° / 7°
Thursday
May 14
16° / 7°
Friday
May 15
13° / 5°
Saturday
May 16
14° / 1°
Sunday
May 17
14° / 2°
Monday
May 18
13° / 3°
Tuesday
May 19
18° / 5°
Wednesday
May 20
18° / 10°
Thursday
May 21
19° / 11°
Friday
May 22
20° / 9°
Saturday
May 23
17° / 9°
Sunday
May 24
16° / 7°
Monday
May 25
19° / 8°
Tuesday
May 26
21° / 12°
Wednesday
May 27
21° / 11°
Thursday
May 28
19° / 10°
Friday
May 29
19° / 10°
Saturday
May 30
20° / 9°
Sunday
May 31
18° / 8°
Ottawa 30 days weather forecast
Check out our estimated 30 days weather forecast for Ottawa, this data is based on the average weather in Ottawa in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Ottawa next to the desired date.