St. Thomas weather

Name: St. Thomas
Address: CA

The forecast for St. Thomas (Canada) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.

Ontario, Canada42.77°N, 81.18°WAmerica/Toronto (UTC-4)ECMWF: October 25 at 08:00 AM

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Next 48 hours (local time)

10-day forecast

TodayOctober 25Cloudy
gusts 25 km/h15°C 11°C
TomorrowOctober 26Cloudy
gusts 28 km/h17°C 9°C
TuesdayOctober 27Partly cloudy
gusts 27 km/h12°C 5°C
WednesdayOctober 28Light rain
0.5 mm · gusts 21 km/h15°C 6°C
ThursdayOctober 29Mostly clear
2 mm · gusts 17 km/h18°C 12°C
FridayOctober 30Partly cloudy
0.2 mm · gusts 11 km/h17°C 9°C
SaturdayOctober 31Cloudy
gusts 20 km/h17°C 8°C
SundayNovember 1Cloudy
gusts 31 km/h17°C 8°C
MondayNovember 2Cloudy
gusts 18 km/h19°C 8°C
TuesdayNovember 3Heavy rain
8 mm · gusts 55 km/h13°C 7°C

Over the next 10 days in St. Thomas, temperatures will range from 5°C to 19°C, with 11 mm of rain or snow in total. Days with at least 1 mm of precipitation: 2. ECMWF model run from October 25 at 08:00 AM.

St. Thomas wind forecast for 10 days

Windiest: Tuesday, November 3 - average 26 km/h, gusts up to 55 km/h. Calmest: Monday, November 2 - average 3 km/h. The wind blows most often from the northwest.

Day	Wind	Gusts	Direction
Today	9 km/h	25 km/h	southwest
Tomorrow	11 km/h	28 km/h	northwest
Tue, 10/27	11 km/h	27 km/h	east
Wed, 10/28	9 km/h	21 km/h	east
Thu, 10/29	13 km/h	17 km/h	southwest
Fri, 10/30	8 km/h	11 km/h	northwest
Sat, 10/31	7 km/h	20 km/h	northwest
Sun, 11/1	7 km/h	31 km/h	southeast
Mon, 11/2	3 km/h	18 km/h	west
Tue, 11/3	26 km/h	55 km/h	east

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Climate through the year

In October, daytime temperatures here average 15°C and nights 6°C, with about 61 mm of rain over the month. The warmest month is July (an average of 28°C by day), the coolest is January (-2°C by day, -8°C at night). The wettest month is July (about 69 mm) and the driest is February (38 mm).

Month	Day	Night	Rain
January	-2°C	-8°C	40 mm
February	-1°C	-8°C	38 mm
March	5°C	-4°C	43 mm
April	12°C	1°C	55 mm
May	19°C	8°C	67 mm
June	25°C	14°C	68 mm
July	28°C	17°C	69 mm
August	27°C	17°C	55 mm
September	23°C	13°C	68 mm
October	15°C	6°C	61 mm
November	8°C	1°C	50 mm
December	1°C	-4°C	45 mm

Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER

The forecast for St. Thomas comes from the ECMWF model and is computed for the point 42.77°N, 81.18°W. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.

Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF

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