Ottawa 30-day weather forecast
Beyond about 10 days any forecast drifts towards the usual weather for the time of year, so read the outlook as what is typical for the date, not as a prediction for that day.
Ottawa day-by-day calendar
- Days 1–16: daily forecast model
- Days 17–30: outlook (30-day statistical model), with the usual high / low for the date
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
66 NovTodayForecast  14° / 10° Rain 29% | 7Forecast 12° / 8° Rain 41% | 8Forecast  10° / 5° Rain 41% | ||||
9Forecast 9° / 5° Rain 36% | 10Forecast  10° / 4° Rain 29% | 11Forecast 7° / 3° Rain 12% | 12Forecast 3° / -1° Rain 2% | 13Forecast  2° / -2° Rain 6% | 14Forecast 2° / -2° Rain 6% | 15Forecast 5° / -2° Rain 3% |
16Forecast  11° / 2° Rain 5% | 17Forecast 13° / 6° Rain 10% | 18Forecast  10° / 5° Rain 23% | 19Forecast 9° / 1° Rain 17% | 20Forecast 12° / 8° Rain 5.3 mm | 21Forecast 12° / 3° Rain 1.6 mm | 22Outlook 1° / -2° — Usual 7° / -1°C |
23Outlook 1° / -3° — Usual 7° / -1°C | 24Outlook 0° / -4° — Usual 7° / -1°C | 25Outlook -1° / -5° — Usual 7° / -1°C | 26Outlook  -1° / -5° Rain 0.4 mm Usual 7° / -1°C | 27Outlook -2° / -6° — Usual 7° / -1°C | 28Outlook -2° / -7° — Usual 7° / -1°C | 29Outlook -1° / -5° Rain 1 mm Usual 7° / -1°C |
30Outlook -3° / -6° Rain 2 mm Usual 7° / -1°C | 1 DecOutlook -3° / -7° — Usual 0° / -7°C | 2Outlook -3° / -7° — Usual 0° / -7°C | 3Outlook 2° / -6° Rain 0.4 mm Usual 0° / -7°C | 4Outlook 4° / 2° Rain 1.4 mm Usual 0° / -7°C | 5Outlook 5° / 3° Rain 2.1 mm Usual 0° / -7°C |
Ottawa weather in November
November in Ottawa: highs around 7°C, lows around -1°C and about 36 mm of rain.
November
- Average high
- 7°C
- Average low
- -1°C
- Precipitation
- 36 mm
- Record high
- 23°C
- Record low
- -15°C
December
- Average high
- 0°C
- Average low
- -7°C
- Precipitation
- 30 mm
- Record high
- 14°C
- Record low
- -22°C
Climate averages from historical daily data.
Ottawa weather by month →Ottawa 30-day forecast: your questions
What is the weather in Ottawa for the next 30 days?
The 30-day view for Ottawa starts with 15 days of forecast: highs from -2°C up to 14°C on Friday, and rain likely on 3 of them (16.1 mm in all). After that it shows the usual December weather: highs near 0°C, lows near -7°C, about 29.8 mm over the month. Day by day: Ottawa 10-day forecast.
What will the weather be in Ottawa next month?
In December, Ottawa usually has highs around 0°C and lows around -7°C, with about 29.8 mm of rain. The records are 14°C and -22°C. Month by month: Ottawa weather by month.
Nearest cities: 30-day forecast
Weather across Canada right now
- Brampton11°C
- Burlington11°C
- Burnaby9°C
- Calgary1°C
- Edmonton1°C
- Gatineau12°C
- Halifax15°C
- Hamilton11°C
- Kitchener8°C
- Laval14°C
- London6°C
- Longueuil14°C
- Markham11°C
- Mississauga11°C
- Montréal14°C
- Oakville11°C
- Oshawa12°C
- Ottawa13°C
- Quebec City14°C
- Regina0°C
- Richmond9°C
- Richmond Hill11°C
- Saskatoon1°C
- St. Catharines12°C
- St. John's7°C
- Surrey8°C
- Toronto11°C
- Vancouver9°C
- Vaughan11°C
- Victoria10°C
- Windsor7°C
- Winnipeg0°C
