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
07:33
Sunrise
19:03
Sunset
Moon
Waxing Gibbous
18:49
Moonrise
05:27
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 Seltjarnarnes.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Seltjarnarnes.
View stargazing scoreWeather in Seltjarnarnes today, September 25, 2026
Seltjarnarnes stays under cloudy skies on September 25, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 97% around 07:00. Grey conditions set the early tone before any later change.
Expect highs of 9°C and cooler readings close to 7°C. Expect humidity between 78% and 87%, most humid near 07:00. A lighter breeze peaks around 23:00 near 6.3 km/h.
Afternoon showers stay in play, peaking near 28% around 16:00. Skies remain cluttered, with cover about 96% by 12:00. Visibility holds near 15.3 km, though it can fall to 1.8 km. Sunrise is at 07:33 and sunset at 19:03, giving 11 hours 30 minutes of sunlight today.
Overall, Seltjarnarnes on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 28% and the high sits around 9°C.
Frequently asked questions about weather in Seltjarnarnes
How warm does it get in Seltjarnarnes?
The warmest month in Seltjarnarnes is July, with average high temperatures of 14°C. The average temperature during this period is around 11°C.
How cold does it get in Seltjarnarnes?
The coldest month in Seltjarnarnes is January, with average low temperatures of -3°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Seltjarnarnes?
The wettest month in Seltjarnarnes is September, with an average of 131mm of precipitation.
What is the driest time of year in Seltjarnarnes?
The driest month in Seltjarnarnes is July, with an average of 74mm of precipitation.
