Guest, Sign inJoin
Weather in St. Marys · ECCC forecast and 1991–2020 normals

Tomorrow in St. Marys: chance of rain showers or flurries and 6 degrees at best

In November a normal day reaches 8°C and a normal night 0°C; the forecast for St. Marys below sets each day against them. The chance of snow tomorrow is 60%, with a breeze of 20 km/h and a low of −2°C. Wednesday brings the top temperature of the days after this, 10°C, and the lowest high is 4°C.

Winter 0°/−8°CSpring 12°/2°CSummer 26°/14°CAutumn 15°/5°C
Right now
3°C
Mostly Cloudy
High 6°C · Low −2°C · Wind 14 km/h
Tomorrow 2°C cooler than a normal 14 November
Sunrise 07:14 · sunset 17:02
Observed at London Int'l Airport, 18:00
Tomorrow
6°C / −2°C
A normal 14 November: 8°C / 0°C
Chance of snow
60%
Likely in the next 24 hours
Wind
14 km/h
From the NNW · gusts 31 km/h · up to 20 km/h tomorrow
Wind chill
−3
what it feels like now
Daylight
9 h 47 min
07:15 to 17:02
Hour by hour · °C

The next 24 hours in St. Marys

Expect 6°C at the warmest, around 13:00, and −2°C at the coolest, around 01:00. Snow most likely around 09:00 (60%).

19:00 · 3°C · Chance of rain showers or flurries · 40% chance of rain · wind 10 km/h3°Now20:00 · 2°C · Chance of rain showers or flurries · 40% chance of rain or snow · wind 10 km/h21:00 · 1°C · Chance of flurries · 40% chance of rain or snow · wind 10 km/h1°22:00 · 0°C · Chance of flurries · 40% chance of rain or snow · wind 10 km/h22:0023:00 · −1°C · Chance of flurries · 40% chance of rain or snow · wind 10 km/h−1°00:00 · −1°C · Chance of flurries · 40% chance of rain or snow · wind 10 km/h01:00 · −2°C · Chance of flurries · 40% chance of snow · wind 10 km/h−2°01:0002:00 · −2°C · Chance of flurries · 40% chance of snow · wind 10 km/h03:00 · −2°C · Chance of flurries · 40% chance of snow · wind 10 km/h−2°04:00 · −2°C · Chance of flurries · 40% chance of snow · wind 10 km/h04:0005:00 · −2°C · Chance of flurries · 40% chance of snow · wind 10 km/h−2°06:00 · −1°C · Chance of flurries · 40% chance of rain or snow · wind 10 km/h07:00 · −1°C · Chance of flurries · 40% chance of rain or snow · wind 20 km/h−1°07:0008:00 · 0°C · Chance of flurries · 40% chance of rain or snow · wind 20 km/h09:00 · 2°C · Chance of rain showers or flurries · 60% chance of rain or snow · wind 20 km/h60%2°10:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h10:0011:00 · 4°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h4°12:00 · 5°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h13:00 · 6°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h6°13:0014:00 · 5°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h15:00 · 5°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h5°16:00 · 4°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h16:0017:00 · 3°C · Chance of rain showers or flurries · 60% chance of rain · wind 20 km/h3°18:00 · 3°C · Chance of flurries or rain showers · 40% chance of rain · wind 20 km/h
TemperatureChance of 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% chance−2°6°−2°

Saturday: Cloudy. 40 percent chance of flurries changing to 60 percent chance of rain showers or flurries in the morning. Wind northwest 20 km/h gusting to 40. High 6. Wind chill minus 7 in the morning. UV index 1 or low.

Saturday night: Cloudy with 40 percent chance of flurries or rain showers. Wind northwest 20 km/h gusting to 40 becoming light late in the evening. Low minus 2. Wind chill minus 6 overnight.

Sun15 NovChance of showers30% chance1°4°−4°

Sunday: A mix of sun and cloud with 30 percent chance of showers. High plus 4.

Sunday night: Clear. Low plus 1.

Mon16 NovSunny2°6°normal

Monday: Sunny. High 6.

Monday night: Clear. Low plus 2.

Tue17 NovSunny2°9°+2°

Tuesday: Sunny. High 9.

Tuesday night: Clear. Low plus 2.

Wed18 NovSunny3°10°+3°

Wednesday: Sunny. High 10.

Wednesday night: Clear. Low plus 3.

Thu19 NovA mix of sun and cloud11°+4°

Thursday: A mix of sun and cloud. High 11.

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

Where today sits in St. Marys’ year

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

Full climate →
Winter
0° / −8°
221 mm of rain and snow
Spring
12° / 2°
245 mm of rain and snow
Summer
26° / 14°
233 mm of rain and snow
Autumn now
15° / 5°
263 mm of rain and snow, the wettest season
171days until the last frost on average (3 May)
Best months to be outside
JunJulAugSep
Highs of 17–27°C and nights of 8°C or more
When is it wettest?September, with 93 mm.When does the most snow fall?January, with 43 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: StratfordThe forecast in full on ECCC’s page for the site, 18 km away.St. Marys’s climateNormals by month, frost dates, snow and how the town compares.Flood & hazardsThe risks behind the weather: fire, flood, quakes and radon in St. Marys.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for Stratford, fetched 13 November, 18:29. Normals: ECCC 1991–2020, London. 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).