See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
10°
Overcast
Feels Like: 7°
Min: 8°
Max: 10°
The next few hours will be overcast, with today reaching 10°C and dropping to 7°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
07:33
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 Álftanes.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Álftanes.
View stargazing scoreWeather in Álftanes today, September 25, 2026
Álftanes looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 26% near 09:00. Skies look heaviest around 10:00, with cover close to 100%.
The temperature range runs from about 8°C up to 10°C. The air stays humid, with relative humidity between 79% and 90% and the peak around 09:00. Expect gentle winds, highest near 23:00 at 5.6 km/h.
The second half of the day still looks unsettled, with rain probability around 40% by 16:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility stays generally good near 25.8 km on average, though it can drop toward 20.0 km in thicker cloud or showers. Sunrise is at 07:33 and sunset at 19:03, giving 11 hours 30 minutes of sunlight today.
Taken together, Álftanes looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 10°C.
Frequently asked questions about weather in Álftanes
How warm does it get in Álftanes?
The warmest month in Álftanes 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 Álftanes?
The coldest month in Álftanes is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Álftanes?
The wettest month in Álftanes is September, with an average of 137mm of precipitation.
What is the driest time of year in Álftanes?
The driest month in Álftanes is July, with an average of 77mm of precipitation.