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
06:08
Sunrise
18:07
Sunset
Moon
Waxing Gibbous
12:33
Moonrise
02:15
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 Laguna.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Laguna.
View stargazing scoreWeather in Laguna tomorrow, September 21, 2026
Rain features in Laguna on September 21, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 46% around 10:00. Cloud cover is also at its densest near 03:00 at roughly 100%.
Expect highs of 21°C and cooler readings close to 17°C. The air stays humid, with relative humidity between 85% and 88% and the peak around 02:00. Winds stay light, near 8.4 km/h by 00:00, so the day feels still more than breezy.
Later hours look less wet than the morning, when rain odds were closer to 46%; afternoon chances sit nearer 0%. Residual cloud near 100% around 12:00 may linger. Horizontal visibility sits around 14.2 km, briefly nearer 5.1 km. Sunrise is at 06:06 and sunset at 18:07, giving 12 hours 0 minutes of sunlight today.
Taken together, Laguna looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 21°C.
Frequently asked questions about weather in Laguna
How warm does it get in Laguna?
The warmest month in Laguna is February, with average high temperatures of 26°C. The average temperature during this period is around 25°C.
How cold does it get in Laguna?
The coldest month in Laguna is July, with average low temperatures of 15°C. The average temperature during this period is around 16°C.
What is the wettest time of year in Laguna?
The wettest month in Laguna is October, with an average of 154mm of precipitation.
What is the driest time of year in Laguna?
The driest month in Laguna is August, with an average of 87mm of precipitation.
Explore more weather forecasts
- Tubarão, Santa Catarina
- São Paulo, São Paulo
- Jaguaruna, Santa Catarina
- Rio de Janeiro, Rio de Janeiro
- Imbituba, Santa Catarina
- Belo Horizonte, Minas Gerais
- Braço do Norte, Santa Catarina
- Salvador, Bahia
- Morro da Fumaça, Santa Catarina
- Fortaleza, Ceará
- São José, Santa Catarina
- Manaus, Amazonas
- Orleans, Santa Catarina
- Brasília, Federal District
- Urussanga, Santa Catarina
- Curitiba, Paraná
