Keflavík weather
At 8:45 PM local time it was cloudy and 6°C (43°F). Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Aug. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Keflavík, Southern Peninsula, Iceland.
Current conditions
- Clouds
- 100%
- Chance of rain
- 37%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–AugOff season Sep–Apr
About Keflavík weather
Is it raining in Keflavík right now?
No. It’s cloudy and 6° right now. Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out.
What’s the weather like in Keflavík this week?
Over the next 7 days, expect highs of 7–10° and lows of 4–9°. Rain is likely on 6 of 7 days (Saturday, Sunday, Monday, Tuesday, Thursday, Friday). The driest day looks like Wednesday.
Has it been raining in Keflavík lately?
In the past 7 days, Keflavík had 3 rainy days and 15.0 mm of rain in total.
What should I pack for Keflavík?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Keflavík weather by month
When is the best time to visit Keflavík?
Based on weather alone, the best time to visit Keflavík is Jun–Aug, according to NASA's 2001–2025 climate averages. Sep–Apr tends to be the least pleasant. Average highs run from 3°C (37°F) in February to 13°C (55°F) in July.
What is the rainiest month in Keflavík?
September is the wettest month, with about 161 mm (6.3 in) of rain on average. June is the driest, with about 72 mm (2.8 in).
What is the hottest month in Keflavík?
July is the warmest, with average highs of 13°C (55°F) and lows of 9°C (49°F). February is the coolest, with highs of 3°C (37°F) and lows of 0°C (31°F).
How warm is the sea in Keflavík?
The sea is warmest in July at about 12°C (53°F) and coolest in January at about 4°C (39°F). It stays cool all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months