See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
7°
Overcast
Feels Like: 7°
Min: 6°
Max: 9°
The next few hours will be overcast, with today reaching 9°C and dropping to 4°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
05:26
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 Borgarnes.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Borgarnes.
View stargazing scoreWeather in Borgarnes today, September 25, 2026
Borgarnes starts September 25, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 20% around 07:00. Cloud cover is also at its densest near 07:00 at roughly 98%.
Expect highs of 9°C and cooler readings close to 6°C. Relative humidity sits between 75% and 97%, reaching its peak around 07:00. A lighter breeze peaks around 21:00 near 3.7 km/h.
Afternoon showers stay in play, peaking near 56% around 16:00. Skies remain cluttered, with cover about 98% by 12:00. Visibility holds near 15.3 km, though it can fall to 2.5 km. The sun rises at 07:33 and sets at 19:03, for a total of 11 hours 29 minutes of sunlight today.
Taken together, Borgarnes looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 9°C.
Frequently asked questions about weather in Borgarnes
How warm does it get in Borgarnes?
The warmest month in Borgarnes is July, with average high temperatures of 13°C. The average temperature during this period is around 11°C.
How cold does it get in Borgarnes?
The coldest month in Borgarnes 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 Borgarnes?
The wettest month in Borgarnes is September, with an average of 140mm of precipitation.
What is the driest time of year in Borgarnes?
The driest month in Borgarnes is July, with an average of 81mm of precipitation.
