See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
9°
Drizzle
Feels Like: 5°
Min: 7°
Max: 10°
The next few hours will be overcast, with today reaching 10°C and dropping to 6°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
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View stargazing scoreWeather in Hafnarfjörður today, September 25, 2026
Rain features in Hafnarfjörður on September 25, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 46% around 04:00. Cloud cover is also at its densest near 05:00 at roughly 100%.
The temperature range runs from about 7°C up to 10°C. Relative humidity sits between 87% and 95%, reaching its peak around 08:00. Airflow remains manageable, reaching about 3.7 km/h around 20:00.
Expect the wet theme to continue later, as rain odds reach 22% near 19:00. Cloud amounts hold near 100% around 16:00. Visibility holds near 19.6 km, though it can fall to 11.1 km. The sun rises at 07:33 and sets at 19:03, for a total of 11 hours 30 minutes of sunlight today.
In short, treat September 25, 2026 in Hafnarfjörður as a damp day: pack covers, watch the wetter hours, and expect a high near 10°C.
Frequently asked questions about weather in Hafnarfjörður
How warm does it get in Hafnarfjörður?
The warmest month in Hafnarfjörður 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 Hafnarfjörður?
The coldest month in Hafnarfjörður 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 Hafnarfjörður?
The wettest month in Hafnarfjörður is September, with an average of 137mm of precipitation.
What is the driest time of year in Hafnarfjörður?
The driest month in Hafnarfjörður is July, with an average of 77mm of precipitation.
