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Aerial View of Lock 18 area in 1920Photo: Unknown author Unknown author · Public domain
Weather in Cornwall · ECCC forecast and 1991–2020 normals

Cornwall tomorrow: 3 degrees, chilly for November

For Cornwall, a normal November afternoon peaks at 7°C, and a normal night bottoms out at 0°C. Rain or snow is 60% likely tomorrow, the wind freshening to 20 km/h, with a low near 1°C. Over the days that follow, afternoons range between 4°C and 10°C, with Wednesday the mildest.

Winter −2°/−10°CSpring 12°/2°CSummer 26°/16°CAutumn 14°/6°C
Right now
4°C
Overcast
High 3°C · Low 1°C · Wind 10 km/h
Tomorrow 4°C cooler than a normal 14 November
Sunrise 06:54 · sunset 16:32
Observed at Saint-Anicet, 18:00
Tomorrow
3°C / 1°C
A normal 14 November: 7°C / 0°C
Chance of rain or snow
60%
Probable over the next day
Wind
10 km/h
From the WNW · gusts 27 km/h · up to 20 km/h tomorrow
Wind chill
−2
what it feels like now
Daylight
9 h 38 min
06:54 to 16:32
Hour by hour · °C

The next 24 hours in Cornwall

Temperatures top out near 19:00 (3°C) and dip lowest near 00:00 (1°C). Rain or snow most likely around 09:00 (60%).

19:00 · 3°C · Overcast · 20% chance of rain · wind 10 km/h3°Now20:00 · 3°C · Overcast · 20% chance of rain · wind 10 km/h21:00 · 2°C · Overcast · 20% chance of rain or snow · wind 10 km/h2°22:00 · 2°C · Overcast · 20% chance of rain or snow · wind 10 km/h22:0023:00 · 2°C · Overcast · 20% chance of rain or snow · wind 10 km/h2°00:00 · 1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h1°01:00 · 1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h1°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/h1°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/h1°06:00 · 1°C · Chance of flurries · 30% chance of rain or snow · wind 10 km/h07:00 · 1°C · Chance of flurries · 30% chance of rain or snow · wind 15 km/h1°07:0008:00 · 2°C · Chance of flurries · 30% chance of rain or snow · wind 15 km/h09:00 · 2°C · Chance of rain showers or flurries · 60% chance of rain or snow · wind 15 km/h60%2°10:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 15 km/h10:0011:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 15 km/h3°12:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 15 km/h13:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h3°13:0014:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h15:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h3°16:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 15 km/h16:0017:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 15 km/h3°18:00 · 3°C · Chance of rain showers or flurries · 40% chance of rain · wind 15 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 flurries40% chance1°3°−4°

Saturday: Cloudy. 30 percent chance of flurries changing to 60 percent chance of rain showers or flurries in the morning. Wind becoming northwest 20 km/h early in the afternoon. High plus 3. UV index 1 or low.

Saturday night: Cloudy. 40 percent chance of rain showers or flurries in the evening. Low plus 1.

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

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

Sunday night: Clear. Low minus 3.

Mon16 NovSunny2°4°−3°

Monday: Sunny. High plus 4.

Monday night: Clear. Low plus 2.

Tue17 NovSunny2°8°+2°

Tuesday: Sunny. High 8.

Tuesday night: Clear. Low plus 2.

Wed18 NovSunny1°10°+4°

Wednesday: Sunny. High 10.

Wednesday night: Clear. Low plus 1.

Thu19 NovSunny9°+3°

Thursday: Sunny. High 9.

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

What stands out about Cornwall’s weather

Where Cornwall’s 30-year normals sit among Canadian towns: tap a card for 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 Cornwall’s year

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

Full climate →
Winter
−2° / −10°
219 mm of rain and snow
Spring
12° / 2°
233 mm of rain and snow
Summer
26° / 16°
275 mm of rain and snow
Autumn now
14° / 6°
280 mm of rain and snow, the wettest season
Best months to be outside
MayJunAugSep
Highs of 17–27°C and nights of 8°C or more
When is it wettest?October, with 100 mm.When does the most snow fall?January, with 51 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 alertsNo ECCC alert is in force here just now; any new one appears on its warnings page.ECCC forecast: CornwallThe forecast in full on ECCC’s page for the site, 0.2 km away.Cornwall’s climateThirty-year normals: temperatures, rain and snow, frost and heating.Flood & hazardsWhat could go wrong in Cornwall: wildfire, flooding, earthquakes, radon.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for Cornwall, fetched 13 November, 18:22. Normals: ECCC 1991–2020, Cornwall. 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).