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Straw bales on a stubble field in Alliston, OntarioPhoto: Michael Gil · CC BY 2.0
Weather in Alliston · ECCC forecast and 1991–2020 normals

Tomorrow brings Alliston a cool 4 degrees for November

Long-term averages for Alliston put November days at 6°C and November nights at −1°C. Tomorrow carries a chance of rain or snow of 40% and a breeze of 20 km/h; the low is 0°C. The warmest afternoon ahead comes on Wednesday, at 10°C; the coolest tops out at 3°C.

Winter −2°/−10°CSpring 11°/0°CSummer 25°/13°CAutumn 14°/4°C
Right now
2°C
Chance of rain showers or flurries
High 4°C · Low 0°C · Wind 5 km/h
Tomorrow 3°C cooler than a normal 14 November
Sunrise 07:11 · sunset 16:55
Observed at Egbert, 18:00
Tomorrow
4°C / 0°C
A normal 14 November: 7°C / −1°C
Chance of rain or snow
40%
Some risk in the next 24 hours
Wind
5 km/h
From the WNW · gusts 31 km/h · up to 20 km/h tomorrow
Wind chill
−2
what it feels like now
Daylight
9 h 42 min
07:12 to 16:54
Hour by hour · °C

The next 24 hours in Alliston

It runs from −1°C around 00:00 up to 4°C around 12:00. Rain or snow peaks in likelihood around 19:00, at 40%.

19:00 · 1°C · Chance of rain showers or flurries · 40% chance of rain or snow · wind 5 km/h40%1°Now20:00 · 1°C · Chance of rain showers or flurries · 40% chance of rain or snow · wind 5 km/h21:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h0°22:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h22:0023:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h0°00:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h−1°01:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h−1°01:0002:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h03:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 5 km/h0°04:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h04:0005:00 · 0°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h0°06:00 · 1°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h07:00 · 1°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h1°07:0008:00 · 2°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h09:00 · 2°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h2°10:00 · 3°C · Chance of showers · 40% chance of rain · wind 20 km/h10:0011:00 · 3°C · Chance of showers · 40% chance of rain · wind 20 km/h3°12:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h4°13:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h4°13:0014:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h15:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h4°16:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h16:0017:00 · 4°C · Chance of showers · 40% chance of rain · wind 20 km/h4°18:00 · 3°C · Chance of showers · 40% chance of rain · wind 20 km/h
TemperatureChance of rain or snowNight
7 days · °C

The week ahead, against a normal week

A mix: some days above normal, some below. Tap a day for more.

Sat14 NovChance of rain showers or flurries40% chance0°4°−3°

Saturday: Cloudy with 40 percent chance of rain showers or flurries. Wind becoming north 20 km/h in the morning. High plus 4. UV index 1 or low.

Saturday night: Cloudy. 40 percent chance of showers early in the evening. Wind north 20 km/h becoming light early in the evening. Low zero.

Sun15 NovChance of showers30% chance0°3°−3°

Sunday: A mix of sun and cloud with 30 percent chance of showers. High plus 3.

Sunday night: Clear. Low zero.

Mon16 NovSunny1°6°normal

Monday: Sunny. High 6.

Monday night: Clear. Low plus 1.

Tue17 NovSunny0°9°+3°

Tuesday: Sunny. High 9.

Tuesday night: Clear. Low zero.

Wed18 NovSunny2°10°+4°

Wednesday: Sunny. High 10.

Wednesday night: Clear. Low plus 2.

Thu19 NovA mix of sun and cloud10°+4°

Thursday: A mix of sun and cloud. High 10.

Normal range for the date (ECCC 1991–2020 normals, Egbert)Forecast low to high
A normal year

Where today sits in Alliston’s year

Typical highs and lows month by month, from the ECCC averages.

Full climate →
Winter
−2° / −10°
157 mm of rain and snow
Spring
11° / 0°
183 mm of rain and snow
Summer
25° / 13°
244 mm of rain and snow, the wettest season
Autumn now
14° / 4°
210 mm of rain and snow
184days left before the average last frost, 16 May
Best months to be outside
JunJulAugSep
Highs of 17–27°C and nights of 8°C or more
When is it wettest?June, with 83 mm.When does the most snow fall?December, with 42 cm.What is each month like?Highs, lows, rain and snow for all 12.

Warnings and more

Alerts come from Environment and Climate Change Canada; its warnings page is the place to check in bad weather.

Weather alertsECCC has no alert out for the area at the moment; its warnings page has any new ones.ECCC forecast: New TecumsethECCC’s city page for the site, 2.2 km from the town, with its radar and more.Alliston’s climateA normal year month by month, with frost, snow and the comparisons.Flood & hazardsWildfire, flood studies, earthquakes and radon for Alliston.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for New Tecumseth, fetched 13 November, 18:24. Normals: ECCC 1991–2020, Egbert. Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence

Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).