See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:15
Sunrise
17:15
Sunset
Moon
Waxing Gibbous
12:27
Moonrise
00:30
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Alagoa Grande.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Alagoa Grande.
View stargazing scoreWeather in Alagoa Grande today, September 20, 2026
Alagoa Grande sees a largely clear day on September 20, 2026, interrupted by cloudier skies around 16:00. Plan for bright conditions either side of that cloudier interval.
The temperature range runs from about 21°C up to 29°C. The air stays humid, with relative humidity between 54% and 96% and the peak around 23:00. Expect gentle winds, highest near 16:00 at 5.2 km/h.
Through the afternoon skies look more workable, with cloud near 23% around 16:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility holds close to 16.1 km. Daylight runs from 05:15 to 17:15, lasting 11 hours 59 minutes of sunlight today.
In short, September 20, 2026 looks like a fine day in Alagoa Grande for being outside, peaking around 29°C.
Frequently asked questions about weather in Alagoa Grande
How warm does it get in Alagoa Grande?
The warmest month in Alagoa Grande is November, with average high temperatures of 30°C. The average temperature during this period is around 25°C.
How cold does it get in Alagoa Grande?
The coldest month in Alagoa Grande is August, with average low temperatures of 19°C. The average temperature during this period is around 22°C.
What is the wettest time of year in Alagoa Grande?
The wettest month in Alagoa Grande is March, with an average of 111mm of precipitation.
What is the driest time of year in Alagoa Grande?
The driest month in Alagoa Grande is November, with an average of 24mm of precipitation.
Explore more weather forecasts
- Areia, Paraíba
- São Paulo, São Paulo
- Esperança, Paraíba
- Rio de Janeiro, Rio de Janeiro
- Guarabira, Paraíba
- Belo Horizonte, Minas Gerais
- Solânea, Paraíba
- Salvador, Bahia
- Mari, Paraíba
- Fortaleza, Ceará
- Campina Grande, Paraíba
- Manaus, Amazonas
- Belém, Paraíba
- Brasília, Federal District
- Itabaiana, Paraíba
- Curitiba, Paraná
