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
06:33
Sunrise
18:28
Sunset
Moon
Waxing Gibbous
17:49
Moonrise
05:18
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Porto Novo.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Porto Novo.
View stargazing scoreWeather in Porto Novo today, September 25, 2026
Porto Novo looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 62% and the highest odds around 06:00. Cloud is also thick early on, peaking near 55% around 05:00.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 28°C. Moisture in the air spans 80%-87%, with the highest values around 14:00. Winds stay light, near 12.1 km/h by 17:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 90% around 21:00. Cloud also stays substantial, close to 65% near 23:00. Visibility holds near 13.9 km, though it can fall to 7.8 km. Sunrise is at 06:33 and sunset at 18:28, giving 11 hours 55 minutes of sunlight today.
In short, treat September 25, 2026 in Porto Novo as a damp day: pack covers, watch the wetter hours, and expect a high near 28°C.
Frequently asked questions about weather in Porto Novo
How warm does it get in Porto Novo?
The warmest month in Porto Novo is September, with average high temperatures of 25°C. The average temperature during this period is around 25°C.
How cold does it get in Porto Novo?
The coldest month in Porto Novo is March, with average low temperatures of 19°C. The average temperature during this period is around 20°C.
What is the wettest time of year in Porto Novo?
The wettest month in Porto Novo is September, with an average of 52mm of precipitation.
What is the driest time of year in Porto Novo?
The driest month in Porto Novo is May, with an average of 0mm of precipitation.
