União

Região Geográfica Intermediária de São Luís, Maranhão, Brazil

Current Weather

31°87°

Mostly Cloudy

Feels Like: 34°94°

Min: 26°78°

Max: 33°91°

The next few hours will be mostly cloudy, with today reaching 33°C and dropping to 25°C. The coming days will be mostly cloudy

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

05:42

Sunrise

17:46

Sunset

12 hours 3 minutes of sunlight today

Moon

17:24

Moonrise

04:54

Moonset

Daily Forecast

Today

26°78°
33°91°

Monday

25°77°
34°93°

Tuesday

24°76°
34°94°

Wednesday

25°76°
34°93°

Thursday

26°78°
33°92°

Friday

25°78°
34°93°

Saturday

25°76°
33°91°

Sunday

25°77°
33°91°

Monday

25°77°
32°90°

Tuesday

26°78°
32°90°

UV Index

Seek shade during midday
6High
LowExtreme

Humidity

60%Comfortable
LowHigh

Looking at the night sky?

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Weather in União today, October 25, 2026

União looks cloudy on October 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 68% around 09:00. Brighter weather, if it comes, waits until later.União looks cloudy on October 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 68% around 09:00. Brighter weather, if it comes, waits until later.

The day peaks near 33°C and cools toward 26°C. Moisture in the air spans 52%-84%, with the highest values around 22:00. A lighter breeze peaks around 15:00 near 18 km/h.The day peaks near 91°F and cools toward 78°F. Moisture in the air spans 52%-84%, with the highest values around 22:00. A lighter breeze peaks around 15:00 near 11 mph.

Expect persistent cloud later on, with amounts around 80% by 23:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Expect sunrise at 05:42, sunset at 17:46, and 12 hours 3 minutes of sunlight today overall.Expect persistent cloud later on, with amounts around 80% by 23:00. Sunshine remains the exception, not the rule. Visibility stays near 10 mi. Expect sunrise at 05:42, sunset at 17:46, and 12 hours 3 minutes of sunlight today overall.

In short, cloud leads the story in União on October 25, 2026; expect limited sun and a peak around 33°C.In short, cloud leads the story in União on October 25, 2026; expect limited sun and a peak around 91°F.

Frequently asked questions about weather in União

How warm does it get in União?

The warmest month in União is November, with average high temperatures of 32°C. The average temperature during this period is around 28°C.The warmest month in União is November, with average high temperatures of 90°F. The average temperature during this period is around 82°F.

How cold does it get in União?

The coldest month in União is July, with average low temperatures of 24°C. The average temperature during this period is around 27°C.The coldest month in União is July, with average low temperatures of 75°F. The average temperature during this period is around 80°F.

What is the wettest time of year in União?

The wettest month in União is March, with an average of 434 mm of precipitation.The wettest month in União is March, with an average of 17.1 in of precipitation.

What is the driest time of year in União?

The driest month in União is September, with an average of 20 mm of precipitation.The driest month in União is September, with an average of 0.8 in of precipitation.

View full climate insights for União →