Arroio Grande

Rio Grande do Sul, Brazil

Current Weather

13°55°

Mostly Cloudy

Feels Like: 10°49°

Min: 10°50°

Max: 18°64°

The next few hours will be possible drizzle, with today reaching 18°C and dropping to 9°C. The coming days will be drizzle

Hourly Forecast

12°53°13°56°14°58°15°59°16°61°17°62°17°63°18°64°18°64°18°64°17°63°17°63°16°60°14°58°13°55°12°54°11°52°11°51°10°50°10°50°10°49°9°49°9°49°9°49°
8%
8%
8%
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium

Air Quality

20
Good

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

GoodHazardous

Daylight Hours

05:45

Sunrise

18:45

Sunset

13 hours 0 minutes of sunlight today

Moon

19:38

Moonrise

05:38

Moonset

Daily Forecast

Today

10°50°
18°64°

Tuesday

9°49°
24°76°

Wednesday

13°56°
25°77°

Thursday

15°59°
25°76°

Friday

15°59°
24°76°

Saturday

16°60°
26°79°

Sunday

17°62°
23°73°

Monday

17°62°
29°84°

Tuesday

19°65°
31°87°

Wednesday

21°69°
30°85°

UV Index

No protection needed
1Low
LowExtreme

Humidity

77%Humid
LowHigh

Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy

Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Arroio Grande.

View stargazing score

Weather in Arroio Grande today, October 26, 2026

Arroio Grande 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 first half of the day looks overcast, as cloud amounts reach about 83% around 09:00. Brighter weather, if it comes, waits until later.Arroio Grande 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 first half of the day looks overcast, as cloud amounts reach about 83% around 09:00. Brighter weather, if it comes, waits until later.

The day peaks near 18°C and cools toward 10°C. Moisture in the air spans 51%-82%, with the highest values around 07:00. Airflow remains manageable, reaching about 11 km/h around 21:00.The day peaks near 64°F and cools toward 50°F. Moisture in the air spans 51%-82%, with the highest values around 07:00. Airflow remains manageable, reaching about 7 mph around 21:00.

Expect persistent cloud later on, with amounts around 80% by 12:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. Daylight runs from 05:45 to 18:45, lasting 13 hours 0 minutes of sunlight today.Expect persistent cloud later on, with amounts around 80% by 12:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 10 mi. Daylight runs from 05:45 to 18:45, lasting 13 hours 0 minutes of sunlight today.

The practical takeaway for Arroio Grande on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 18°C.The practical takeaway for Arroio Grande on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 64°F.

Frequently asked questions about weather in Arroio Grande

How warm does it get in Arroio Grande?

The warmest month in Arroio Grande is January, with average high temperatures of 30°C. The average temperature during this period is around 24°C.The warmest month in Arroio Grande is January, with average high temperatures of 85°F. The average temperature during this period is around 76°F.

How cold does it get in Arroio Grande?

The coldest month in Arroio Grande is July, with average low temperatures of 10°C. The average temperature during this period is around 14°C.The coldest month in Arroio Grande is July, with average low temperatures of 50°F. The average temperature during this period is around 57°F.

What is the wettest time of year in Arroio Grande?

The wettest month in Arroio Grande is May, with an average of 220 mm of precipitation.The wettest month in Arroio Grande is May, with an average of 8.6 in of precipitation.

What is the driest time of year in Arroio Grande?

The driest month in Arroio Grande is July, with an average of 102 mm of precipitation.The driest month in Arroio Grande is July, with an average of 4 in of precipitation.

View full climate insights for Arroio Grande →