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Weather in Unionville · ECCC forecast and 1991–2020 normals

Cooler than a usual November in Unionville tomorrow: 5 degrees

A typical November day reaches 7°C and drops to −1°C at night: the forecast for Unionville is set against that. The chance of rain or snow tomorrow is 60%, with a breeze of 20 km/h and a low of −1°C. Later in the week, highs run between 4°C and 10°C, peaking on Wednesday.

Winter 0°/−9°CSpring 12°/1°CSummer 26°/14°CAutumn 15°/5°C
Right now
4°C
Cloudy
High 5°C · Low −1°C · Wind 13 km/h
Tomorrow 3°C cooler than a normal 14 November
Sunrise 07:09 · sunset 16:53
Observed at Toronto City Centre Airport, 18:00
Tomorrow
5°C / −1°C
A normal 14 November: 8°C / −1°C
Chance of rain or snow
60%
Probable over the next day
Wind
13 km/h
From the NW · gusts 30 km/h · up to 20 km/h tomorrow
Wind chill
−5
what it feels like now
Daylight
9 h 44 min
07:09 to 16:53
Hour by hour · °C

The next 24 hours in Unionville

It runs from −1°C around 00:00 up to 5°C around 12:00. Rain or snow most likely around 09:00 (60%).

19:00 · 1°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h1°Now20:00 · 1°C · Chance of rain showers or flurries · 30% chance of rain or snow · wind 10 km/h21:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h0°22:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h22:0023:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h0°00:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h−1°01:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h−1°01:0002:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h03:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h−1°04:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h04:0005:00 · −1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h−1°06:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h07:00 · 0°C · Chance of flurries · 30% chance of rain or snow · wind 20 km/h0°07:0008:00 · 1°C · Chance of flurries · 30% chance of rain or snow · wind 20 km/h09:00 · 3°C · Chance of showers · 60% chance of rain · wind 20 km/h60%3°10:00 · 4°C · Chance of showers · 60% chance of rain · wind 20 km/h10:0011:00 · 4°C · Chance of showers · 60% chance of rain · wind 20 km/h4°12:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h5°13:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h5°13:0014:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h15:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h5°16:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h16:0017:00 · 4°C · Chance of showers · 60% chance of rain · wind 20 km/h4°18:00 · 4°C · Chance of showers · 60% chance of rain · wind 20 km/h
TemperatureChance of rain or snowNight
7 days · °C

The week ahead, against a normal week

Some days sit above normal and some below. Tap a day for more.

Sat14 NovChance of rain showers or flurries60% chance−1°5°−3°

Saturday: Cloudy. 30 percent chance of flurries changing to 60 percent chance of rain showers in the morning. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 1 or low.

Saturday night: Cloudy. 60 percent chance of rain showers or flurries in the evening and after midnight. Wind northwest 20 km/h becoming light early in the evening. Low minus 1.

Sun15 NovA mix of sun and cloud0°4°−3°

Sunday: A mix of sun and cloud. High plus 4.

Sunday night: Cloudy periods. Low zero.

Mon16 NovA mix of sun and cloud2°6°normal

Monday: A mix of sun and cloud. High 6.

Monday night: Clear. Low plus 2.

Tue17 NovSunny2°9°+2°

Tuesday: Sunny. High 9.

Tuesday night: Clear. Low plus 2.

Wed18 NovSunny2°10°+3°

Wednesday: Sunny. High 10.

Wednesday night: Clear. Low plus 2.

Thu19 NovA mix of sun and cloud10°+3°

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

Normal range for the date (ECCC 1991–2020 normals, Toronto Buttonville (Airport))Forecast low to high

What stands out about Unionville’s weather

How the normals for Unionville compare with Canadian towns, card by card, with the detail on the Climate page.

Climate →
Warmer summers than most Canadian townsJuly afternoons average 27.3°C, warmer than 91% of Canadian towns.
A normal year

Where today sits in Unionville’s year

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

Full climate →
Winter
0° / −9°
177 mm of rain and snow
Spring
12° / 1°
211 mm of rain and snow
Summer
26° / 14°
244 mm of rain and snow, the wettest season
Autumn now
15° / 5°
230 mm of rain and snow
171days left before the average last frost, 3 May
Best months to be outside
JunAugSep
Highs of 17–27°C and nights of 8°C or more
When is it wettest?June, with 87 mm.When does the most snow fall?January, with 40 cm.What is each month like?Highs, lows, rain and snow for all 12.

Warnings and more

In bad weather, ECCC’s warnings page has the alerts in force.

Weather alertsNothing in force for the area right now: ECCC’s warnings page shows new alerts first.ECCC forecast: MarkhamEnvironment and Climate Change Canada’s own page for the forecast site, 4.8 km from the town.Unionville’s climateA normal year month by month, with frost, snow and the comparisons.Flood & hazardsThe risks behind the weather: fire, flood, quakes and radon in Unionville.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for Markham, fetched 13 November, 18:34. Normals: ECCC 1991–2020, Toronto Buttonville (Airport). 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).