São Luís

Região Metropolitana da Grande São Luís, Maranhão, Brazil

Current Weather

27°81°

Mostly Clear

Feels Like: 29°84°

Min: 26°79°

Max: 31°88°

The next few hours will be partly cloudy, with tomorrow reaching 32°C and dropping to 27°C. The coming days will be mostly clear

Hourly Forecast

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Air Quality

32
Good

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

GoodHazardous

Daylight Hours

05:39

Sunrise

17:43

Sunset

12 hours 4 minutes of sunlight today

Moon

14:57

Moonrise

02:36

Moonset

Daily Forecast

Today

26°79°
31°88°

Friday

27°80°
32°90°

Saturday

27°80°
31°87°

Sunday

26°80°
31°88°

Monday

27°80°
31°89°

Tuesday

27°80°
32°89°

Wednesday

27°80°
31°87°

Thursday

27°81°
31°87°

Friday

27°80°
30°86°

Saturday

27°80°
30°87°

UV Index

No protection needed
0Low
LowExtreme

Humidity

81%Humid
LowHigh

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Weather in São Luís tomorrow, October 23, 2026

São Luís starts October 23, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 70% by 10:00. The thickest cloud arrives around 09:00, reaching about 61%.São Luís starts October 23, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 70% by 10:00. The thickest cloud arrives around 09:00, reaching about 61%.

The temperature range runs from about 27°C up to 32°C. Expect humidity between 55% and 85%, most humid near 00:00. Expect gentle winds, highest near 15:00 at 21 km/h.The temperature range runs from about 80°F up to 90°F. Expect humidity between 55% and 85%, most humid near 00:00. Expect gentle winds, highest near 15:00 at 13 mph.

Expect the wet theme to continue later, as rain odds reach 70% near 12:00. Cloud amounts hold near 47% around 12:00. Horizontal visibility holds close to 16.1 km. The sun rises at 05:38 and sets at 17:43, for a total of 12 hours 4 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 70% near 12:00. Cloud amounts hold near 47% around 12:00. Horizontal visibility holds close to 10 mi. The sun rises at 05:38 and sets at 17:43, for a total of 12 hours 4 minutes of sunlight today.

The practical takeaway for São Luís on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 32°C.The practical takeaway for São Luís on October 23, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 90°F.

Frequently asked questions about weather in São Luís

How warm does it get in São Luís?

The warmest month in São Luís is August, with average high temperatures of 29°C. The average temperature during this period is around 28°C.The warmest month in São Luís is August, with average high temperatures of 85°F. The average temperature during this period is around 82°F.

How cold does it get in São Luís?

The coldest month in São Luís is March, with average low temperatures of 25°C. The average temperature during this period is around 26°C.The coldest month in São Luís is March, with average low temperatures of 78°F. The average temperature during this period is around 80°F.

What is the wettest time of year in São Luís?

The wettest month in São Luís is March, with an average of 474 mm of precipitation.The wettest month in São Luís is March, with an average of 18.6 in of precipitation.

What is the driest time of year in São Luís?

The driest month in São Luís is September, with an average of 14 mm of precipitation.The driest month in São Luís is September, with an average of 0.6 in of precipitation.

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