See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Clear
Feels Like: 17°
Min: 17°
Max: 37°
The next few hours will be clear, with tomorrow reaching 35°C and dropping to 17°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
07:27
Sunrise
19:23
Sunset
Moon
Waxing Gibbous
17:33
Moonrise
02:40
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Castelo Viegas.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Castelo Viegas.
View stargazing scoreWeather in Castelo Viegas tomorrow, September 23, 2026
Castelo Viegas starts September 23, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 61% by 11:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 35°C and cools toward 16°C. Expect humidity between 26% and 75%, most humid near 08:00. Expect gentle winds, highest near 16:00 at 4.6 km/h.
Expect a more open afternoon, with limited cloud around 31% by 20:00. Residual damp risk should be lower than earlier. Visibility stays generally good near 30.3 km on average, though it can drop toward 16.1 km in thicker cloud or showers. Daylight runs from 07:28 to 19:21, lasting 11 hours 53 minutes of sunlight today.
In short, September 23, 2026 looks like a fine day in Castelo Viegas for being outside, peaking around 35°C.
Frequently asked questions about weather in Castelo Viegas
How warm does it get in Castelo Viegas?
The warmest month in Castelo Viegas is August, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Castelo Viegas?
The coldest month in Castelo Viegas is January, with average low temperatures of 6°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Castelo Viegas?
The wettest month in Castelo Viegas is November, with an average of 136mm of precipitation.
What is the driest time of year in Castelo Viegas?
The driest month in Castelo Viegas is August, with an average of 5mm of precipitation.
Explore more weather forecasts
- Coimbra, Distrito de Coimbra
- Lisbon, Distrito de Lisboa
- Santo António dos Olivais, Distrito de Coimbra
- Porto, Distrito do Porto
- São Martinho do Bispo, Distrito de Coimbra
- Amadora, Distrito de Lisboa
- Ribeira de Frades, Distrito de Coimbra
- Braga, Distrito de Braga
- São Paulo de Frades, Distrito de Coimbra
- Setúbal, Distrito de Setúbal
- Eiras, Distrito de Coimbra
- Condeixa-a-Nova, Distrito de Coimbra
- Queluz, Distrito de Lisboa
- Lousã, Distrito de Coimbra
- Funchal, Madeira
