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Skyline of St. CatharinesPhoto: Gogerr · CC BY-SA 4.0
Weather in St. Catharines · ECCC forecast and 1991–2020 normals

Below-normal chill for November in St. Catharines tomorrow, 6 degrees

A typical November day reaches 9°C and drops to 2°C at night: the forecast for St. Catharines is set against that. Tomorrow carries a chance of rain of 60% and a breeze of 30 km/h; the low is 3°C. None of the 4 days that follow brings measurable rain.

Winter 1°/−5°CSpring 12°/3°CSummer 26°/16°CAutumn 16°/7°C
Right now
4°C
Cloudy
High 6°C · Low 3°C · Wind 16 km/h
Tomorrow 3°C cooler than a normal 14 November
Sunrise 07:07 · sunset 16:55
Observed at St. Catharines / Niagara District Airport, 18:00
Tomorrow
6°C / 3°C
A normal 14 November: 9°C / 2°C
Chance of rain or snow
60%
Expect some in the next 24 hours
Wind
16 km/h
From the NW · gusts 28 km/h · up to 30 km/h tomorrow
Wind chill
−4
what it feels like now
Daylight
9 h 47 min
07:07 to 16:55
Hour by hour · °C

The next 24 hours in St. Catharines

Look for 6°C around 15:00 and 1°C around 06:00. The best chance of rain or snow comes around 12:00 (60%).

19:00 · 3°C · Chance of rain showers or flurries · 30% chance of rain · wind 20 km/h3°Now20:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h21:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h3°22:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h22:0023:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h3°00:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h01:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h3°01:0002:00 · 3°C · Cloudy · 10% chance of rain · wind 20 km/h03:00 · 2°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h2°04:00 · 2°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h04:0005:00 · 2°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h2°06:00 · 1°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h1°07:00 · 1°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h1°07:0008:00 · 2°C · Chance of flurries or rain showers · 30% chance of rain or snow · wind 20 km/h09:00 · 3°C · Chance of showers · 30% chance of rain · wind 20 km/h3°10:00 · 4°C · Chance of showers · 30% chance of rain · wind 20 km/h10:0011:00 · 4°C · Chance of showers · 30% chance of rain · wind 20 km/h4°12:00 · 5°C · Chance of showers · 60% chance of rain · wind 20 km/h60%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 · 6°C · Chance of showers · 60% chance of rain · wind 20 km/h6°16:00 · 6°C · Chance of showers · 60% chance of rain · wind 30 km/h16:0017:00 · 6°C · Chance of showers · 60% chance of rain · wind 30 km/h6°18:00 · 5°C · Chance of showers · 60% chance of rain · wind 30 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 flurries60% chance3°6°−3°

Saturday: Cloudy. 30 percent chance of flurries or rain showers changing to 60 percent chance of rain showers in the morning. Wind northwest 30 km/h gusting to 50. High 6. UV index 1 or low.

Saturday night: Cloudy. 60 percent chance of rain showers or flurries in the evening and after midnight. Wind northwest 30 km/h gusting to 50. Low plus 3.

Sun15 NovA mix of sun and cloud3°4°−5°

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

Sunday night: Clear. Low plus 3.

Mon16 NovSunny4°6°−3°

Monday: Sunny. High 6.

Monday night: Clear. Low plus 4.

Tue17 NovSunny4°9°normal

Tuesday: Sunny. High 9.

Tuesday night: Clear. Low plus 4.

Wed18 NovSunny4°11°+3°

Wednesday: Sunny. High 11.

Wednesday night: Clear. Low plus 4.

Thu19 NovSunny11°+3°

Thursday: Sunny. High 11.

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

What stands out about St. Catharines’ weather

ECCC’s normals for St. Catharines against Canadian towns, with the full story a tap away.

Climate →
Warmer summers than most Canadian townsJuly afternoons average 27.1°C, warmer than 88% of Canadian towns.
A normal year

Where today sits in St. Catharines’ year

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

Full climate →
Winter
1° / −5°
185 mm of rain and snow
Spring
12° / 3°
215 mm of rain and snow
Summer
26° / 16°
221 mm of rain and snow, the wettest season
Autumn now
16° / 7°
217 mm of rain and snow
Best months to be outside
MayJunAugSep
Highs of 17–27°C and nights of 8°C or more
When is it wettest?April, with 83 mm.When does the most snow fall?January, with 44 cm.What is each month like?Highs, lows, rain and snow for all 12.

Warnings and more

ECCC issues Canada’s weather alerts; check its warnings page before travelling in bad weather.

Weather alertsNo ECCC alert is in force here just now; any new one appears on its warnings page.ECCC forecast: St. CatharinesEnvironment and Climate Change Canada’s own page for the forecast site, 1.5 km from the town.St. Catharines’s climateThirty-year normals: temperatures, rain and snow, frost and heating.Flood & hazardsThe risks behind the weather: fire, flood, quakes and radon in St. Catharines.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for St. Catharines, fetched 13 November, 18:23. Normals: ECCC 1991–2020, Vineland. 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).