Saint-Louis

Current Weather

21°70°

Partly Cloudy

Feels Like: 22°72°

Min: 21°70°

Max: 27°80°

The next few hours will be partly cloudy, with today reaching 27°C and dropping to 22°C. The coming days will be drizzle

Hourly Forecast

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Air Quality

20
Good

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

GoodHazardous

Daylight Hours

05:41

Sunrise

18:22

Sunset

12 hours 41 minutes of sunlight today

Moon

17:47

Moonrise

04:43

Moonset

Daily Forecast

Today

21°70°
27°80°

Monday

22°71°
27°81°

Tuesday

19°66°
27°81°

Wednesday

20°68°
27°80°

Thursday

19°66°
29°84°

Friday

19°67°
31°88°

Saturday

24°75°
28°82°

Sunday

23°73°
27°81°

Monday

23°73°
27°80°

Tuesday

23°73°
27°81°

UV Index

No protection needed
0Low
LowExtreme

Humidity

83%Humid
LowHigh

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Weather in Saint-Louis today, October 25, 2026

Saint-Louis looks damp on October 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 74% and the highest odds around 11:00. Cloud is also thick early on, peaking near 86% around 11:00.Saint-Louis looks damp on October 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 74% and the highest odds around 11:00. Cloud is also thick early on, peaking near 86% around 11:00.

Expect highs of 27°C and cooler readings close to 21°C. Relative humidity sits between 71% and 99%, reaching its peak around 21:00. A lighter breeze peaks around 13:00 near 12 km/h.Expect highs of 80°F and cooler readings close to 70°F. Relative humidity sits between 71% and 99%, reaching its peak around 21:00. A lighter breeze peaks around 13:00 near 8 mph.

Afternoon showers stay in play, peaking near 100% around 14:00. Skies remain cluttered, with cover about 88% by 15:00. Horizontal visibility sits around 12.3 km, briefly nearer 0.7 km. Expect sunrise at 05:41, sunset at 18:22, and 12 hours 41 minutes of sunlight today overall.Afternoon showers stay in play, peaking near 100% around 14:00. Skies remain cluttered, with cover about 88% by 15:00. Horizontal visibility sits around 7.6 mi, briefly nearer 0.4 mi. Expect sunrise at 05:41, sunset at 18:22, and 12 hours 41 minutes of sunlight today overall.

Taken together, Saint-Louis looks wet enough on October 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.Taken together, Saint-Louis looks wet enough on October 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 80°F.

Frequently asked questions about weather in Saint-Louis

How warm does it get in Saint-Louis?

The warmest month in Saint-Louis is February, with average high temperatures of 26°C. The average temperature during this period is around 23°C.The warmest month in Saint-Louis is February, with average high temperatures of 78°F. The average temperature during this period is around 73°F.

How cold does it get in Saint-Louis?

The coldest month in Saint-Louis is August, with average low temperatures of 15°C. The average temperature during this period is around 17°C.The coldest month in Saint-Louis is August, with average low temperatures of 58°F. The average temperature during this period is around 63°F.

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

The wettest month in Saint-Louis is January, with an average of 308 mm of precipitation.The wettest month in Saint-Louis is January, with an average of 12.1 in of precipitation.

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

The driest month in Saint-Louis is September, with an average of 46 mm of precipitation.The driest month in Saint-Louis is September, with an average of 1.8 in of precipitation.

View full climate insights for Saint-Louis →