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
07:32
Sunrise
19:16
Sunset
Moon
Waxing Gibbous
18:47
Moonrise
05:48
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 Arches.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Arches.
View stargazing scoreWeather in Arches today, September 25, 2026
Sunshine leads the day in Arches on September 25, 2026, with a patch of cloud building near 13:00. The broader outlook stays fair despite that temporary thickening.
The temperature range runs from about 9°C up to 22°C. The air stays humid, with relative humidity between 35% and 65% and the peak around 23:00. Expect gentle winds, highest near 17:00 at 1.9 km/h.
Expect a more open afternoon, with limited cloud around 34% by 13:00. Residual damp risk should be lower than earlier. Horizontal visibility holds close to 16.1 km. The sun rises at 07:32 and sets at 19:16, for a total of 11 hours 43 minutes of sunlight today.
In short, September 25, 2026 looks like a fine day in Arches for being outside, peaking around 22°C.
Frequently asked questions about weather in Arches
How warm does it get in Arches?
The warmest month in Arches is July, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Arches?
The coldest month in Arches is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Arches?
The wettest month in Arches is January, with an average of 164mm of precipitation.
What is the driest time of year in Arches?
The driest month in Arches is July, with an average of 69mm of precipitation.
Explore more weather forecasts
- Épinal, Grand Est
- Paris, Île-de-France
- Gérardmer, Grand Est
- Marseille, Provence-Alpes-Côte d'Azur
- Saint-Dié-des-Vosges, Grand Est
- Lyon, Auvergne-Rhône-Alpes
- Lunéville, Grand Est
- Toulouse, Occitanie
- Guebwiller, Grand Est
- Nice, Provence-Alpes-Côte d'Azur
- Cernay, Grand Est
- Nantes, Pays de la Loire
- Colmar, Grand Est
- Marne La Vallée, Île-de-France
- Wittelsheim, Grand Est
- Strasbourg, Grand Est
