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17°
Overcast
Feels Like: 17°
Min: 15°
Max: 26°
The next few hours will be overcast, with today reaching 26°C and dropping to 17°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:32
Sunrise
19:20
Sunset
Moon
Waxing Gibbous
18:47
Moonrise
05:59
Moonset
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View stargazing scoreWeather in Rio Maior today, September 25, 2026
Expect a muted, overcast feel in Rio Maior on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 100% near 09:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 26°C. Expect humidity between 44% and 89%, most humid near 08:00. Airflow remains manageable, reaching about 5.6 km/h around 17:00.
Afternoon skies stay clogged, peaking close to 95% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 29.5 km, though it can fall to 12.0 km. Expect sunrise at 07:32, sunset at 19:20, and 11 hours 48 minutes of sunlight today overall.
Overall, Rio Maior on September 25, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 26°C.
Frequently asked questions about weather in Rio Maior
How warm does it get in Rio Maior?
The warmest month in Rio Maior is August, with average high temperatures of 27°C. The average temperature during this period is around 22°C.
How cold does it get in Rio Maior?
The coldest month in Rio Maior is January, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Rio Maior?
The wettest month in Rio Maior is March, with an average of 86mm of precipitation.
What is the driest time of year in Rio Maior?
The driest month in Rio Maior is August, with an average of 3mm of precipitation.
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