Saint-Sébastien

Le Haut-Richelieu, Quebec, Canada

Current Weather

7°44°

Mostly Clear

Feels Like: 8°46°

Min: -2°29°

Max: 17°62°

The next few hours will be clear, with tomorrow reaching 13°C and dropping to -1°C. The coming days will be mostly clear until night.

Hourly Forecast

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Air Quality

21
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous

Daylight Hours

07:30

Sunrise

17:42

Sunset

10 hours 11 minutes of sunlight today

Moon

17:13

Moonrise

06:44

Moonset

Daily Forecast

Sunday

-2°29°
17°62°

Today

4°39°
13°55°

Tuesday

-2°28°
7°45°

Wednesday

-4°25°
10°50°

Thursday

5°41°
16°61°

Friday

7°45°
15°58°

Saturday

5°40°
13°55°

Sunday

6°43°
14°57°

Sunday

7°45°
13°55°

Monday

0°31°
8°46°

UV Index

No protection needed
0Low
LowExtreme

Humidity

84%Humid
LowHigh

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Weather in Saint-Sébastien tomorrow, October 26, 2026

Saint-Sébastien stays under cloudy skies on October 26, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 04:00. Grey conditions set the early tone before any later change.Saint-Sébastien stays under cloudy skies on October 26, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 04:00. Grey conditions set the early tone before any later change.

Temperatures climb from an overnight low near 4°C toward a daytime high of about 13°C. Expect humidity between 54% and 94%, most humid near 00:00. A lighter breeze peaks around 10:00 near 15 km/h.Temperatures climb from an overnight low near 39°F toward a daytime high of about 55°F. Expect humidity between 54% and 94%, most humid near 00:00. A lighter breeze peaks around 10:00 near 9 mph.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.8 km, with poorer spells close to 14.4 km. The sun rises at 07:31 and sets at 17:40, for a total of 10 hours 8 minutes of sunlight today.The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 9.8 mi, with poorer spells close to 8.9 mi. The sun rises at 07:31 and sets at 17:40, for a total of 10 hours 8 minutes of sunlight today.

Taken together, overcast skies in Saint-Sébastien on October 26, 2026 favour indoor or covered options, with temperatures near 13°C.Taken together, overcast skies in Saint-Sébastien on October 26, 2026 favour indoor or covered options, with temperatures near 55°F.

Frequently asked questions about weather in Saint-Sébastien

How warm does it get in Saint-Sébastien?

The warmest month in Saint-Sébastien is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.The warmest month in Saint-Sébastien is July, with average high temperatures of 81°F. The average temperature during this period is around 72°F.

How cold does it get in Saint-Sébastien?

The coldest month in Saint-Sébastien is January, with average low temperatures of -10°C. The average temperature during this period is around -7°C.The coldest month in Saint-Sébastien is January, with average low temperatures of 13°F. The average temperature during this period is around 20°F.

What is the wettest time of year in Saint-Sébastien?

The wettest month in Saint-Sébastien is October, with an average of 130 mm of precipitation.The wettest month in Saint-Sébastien is October, with an average of 5.1 in of precipitation.

What is the driest time of year in Saint-Sébastien?

The driest month in Saint-Sébastien is September, with an average of 77 mm of precipitation.The driest month in Saint-Sébastien is September, with an average of 3 in of precipitation.

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