Ontario 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.

Ontario 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

Ontario day-by-day calendar
Sun	Mon	Tue	Wed	Thu	Fri	Sat
						77 NovTodayForecast 85° / 65° Rain 0%
8Forecast 87° / 57° Rain 0%	9Forecast 85° / 70° Rain 0%	10Forecast 84° / 69° Rain 0%	11Forecast 85° / 69° Rain 0%	12Forecast 83° / 69° Rain 15%	13Forecast 81° / 66° Rain 16%	14Forecast 80° / 66° Rain 20%
15Forecast 78° / 65° Rain 37%	16Forecast 71° / 64° Rain 37%	17Forecast 72° / 61° Rain 29%	18Forecast 71° / 62° Rain 17%	19Forecast 71° / 59° Rain 13%	20Forecast 75° / 60° Rain 13%	21Forecast 76° / 63° —
22Forecast 74° / 62° —	23Outlook 67° / 60° Rain 0.1 in Usual 75° / 51°F	24Outlook 68° / 60° — Usual 75° / 51°F	25Outlook 67° / 60° Rain 0.1 in Usual 75° / 51°F	26Outlook 66° / 59° Rain 0.1 in Usual 75° / 51°F	27Outlook 66° / 59° — Usual 75° / 51°F	28Outlook 65° / 58° — Usual 75° / 51°F
29Outlook 66° / 58° — Usual 75° / 51°F	30Outlook 67° / 58° — Usual 75° / 51°F	1 DecOutlook 66° / 57° — Usual 66° / 46°F	2Outlook 66° / 57° — Usual 66° / 46°F	3Outlook 67° / 58° — Usual 66° / 46°F	4Outlook 65° / 58° Rain 0.1 in Usual 66° / 46°F	5Outlook 64° / 56° Rain 0.4 in Usual 66° / 46°F
6Outlook 62° / 54° — Usual 66° / 46°F

Ontario weather in November

November in Ontario: highs around 75°F (24°C), lows around 51°F (10°C) and about 0.9 in (22 mm) of rain.

November

Average high: 75°F
Average low: 51°F
Precipitation: 0.9 in
Record high: 90°F
Record low: 30°F

December

Average high: 66°F
Average low: 46°F
Precipitation: 2.1 in
Record high: 82°F
Record low: 26°F

Climate averages from historical daily data.

Ontario weather by month →

Ontario 30-day forecast: your questions

What is the 30 day weather forecast for Ontario?

The 30-day view for Ontario starts with 15 days of forecast: highs from 57°F (14°C) up to 87°F (31°C) on Sunday, and rain likely on 2 of them (0.2 in (4.2 mm) in all). After that it shows the usual December weather: highs near 66°F (19°C), lows near 46°F (8°C), about 2.1 in (52.1 mm) over the month. Day by day: Ontario 10-day forecast.

What will the weather be in Ontario next month?

In December, Ontario usually has highs around 66°F (19°C) and lows around 46°F (8°C), with about 2.1 in (52.1 mm) of rain. The records are 82°F (28°C) and 26°F (-3°C). Month by month: Ontario weather by month.