See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
28°
Light Rain
Feels Like: 29°
Min: 23°
Max: 33°
The next few hours will be light rain, with today reaching 33°C and dropping to 23°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:53
Sunrise
17:55
Sunset
Moon
Waxing Gibbous
17:12
Moonrise
04:53
Moonset
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View stargazing scoreWeather in Alto Parnaiba today, September 25, 2026
Alto Parnaiba starts September 25, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 76% around 04:00. Cloud cover is also at its densest near 02:00 at roughly 97%.
Temperatures climb from an overnight low near 23°C toward a daytime high of about 33°C. Relative humidity sits between 42% and 92%, reaching its peak around 06:00. Winds stay light, near 5.3 km/h by 03:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 26% around 12:00. Cloud also stays substantial, close to 97% near 14:00. Horizontal visibility holds close to 16.1 km. Expect sunrise at 05:53, sunset at 17:55, and 12 hours 2 minutes of sunlight today overall.
In short, treat September 25, 2026 in Alto Parnaiba as a damp day: pack covers, watch the wetter hours, and expect a high near 33°C.
Frequently asked questions about weather in Alto Parnaiba
How warm does it get in Alto Parnaiba?
The warmest month in Alto Parnaiba is September, with average high temperatures of 37°C. The average temperature during this period is around 30°C.
How cold does it get in Alto Parnaiba?
The coldest month in Alto Parnaiba is July, with average low temperatures of 20°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Alto Parnaiba?
The wettest month in Alto Parnaiba is January, with an average of 225mm of precipitation.
What is the driest time of year in Alto Parnaiba?
The driest month in Alto Parnaiba is July, with an average of 0mm of precipitation.
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