See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Mostly Cloudy
Feels Like: 18°
Min: 20°
Max: 23°
The next few hours will be mostly cloudy, with today reaching 23°C and dropping to 20°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
08:03
Sunrise
19:50
Sunset
Moon
Waxing Gibbous
19:18
Moonrise
06:26
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 Biarritz.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Biarritz.
View stargazing scoreWeather in Biarritz today, September 25, 2026
Expect a muted, overcast feel in Biarritz on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 74% around 10:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 20°C up to 23°C. The air stays humid, with relative humidity between 72% and 88% and the peak around 07:00. Winds stay light, near 5.3 km/h by 15:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 93% by 23:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 30.7 km on average, though it can drop toward 21.6 km in thicker cloud or showers. Daylight runs from 08:03 to 19:50, lasting 11 hours 46 minutes of sunlight today.
Overall, Biarritz on September 25, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 23°C.
Frequently asked questions about weather in Biarritz
How warm does it get in Biarritz?
The warmest month in Biarritz is August, with average high temperatures of 25°C. The average temperature during this period is around 21°C.
How cold does it get in Biarritz?
The coldest month in Biarritz is January, with average low temperatures of 7°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Biarritz?
The wettest month in Biarritz is November, with an average of 194mm of precipitation.
What is the driest time of year in Biarritz?
The driest month in Biarritz is July, with an average of 52mm of precipitation.
Explore more weather forecasts
- Anglet, Nouvelle-Aquitaine
- Paris, Île-de-France
- Bayonne, Nouvelle-Aquitaine
- Marseille, Provence-Alpes-Côte d'Azur
- Tarnos, Nouvelle-Aquitaine
- Lyon, Auvergne-Rhône-Alpes
- Saint-Jean-de-Luz, Nouvelle-Aquitaine
- Toulouse, Occitanie
- Hendaye, Nouvelle-Aquitaine
- Nice, Provence-Alpes-Côte d'Azur
- Dax, Nouvelle-Aquitaine
- Nantes, Pays de la Loire
- Saint-Paul-lès-Dax, Nouvelle-Aquitaine
- Marne La Vallée, Île-de-France
- Orthez, Nouvelle-Aquitaine
- Strasbourg, Grand Est
