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Hourly Forecast
Daylight Hours
07:36
Sunrise
19:06
Sunset
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Waxing Gibbous
18:51
Moonrise
05:29
Moonset
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View stargazing scoreWeather in Keflavík today, September 25, 2026
Expect unsettled, showery conditions in Keflavík on September 25, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 30% around 06:00. Cloud cover is also at its densest near 07:00 at roughly 100%.
The temperature range runs from about 7°C up to 10°C. Relative humidity sits between 80% and 93%, reaching its peak around 08:00. Winds stay light, near 6.9 km/h by 19:00, so the day feels still more than breezy.
Later hours look less wet than the morning, when rain odds were closer to 30%; afternoon chances sit nearer 14%. Residual cloud near 100% around 17:00 may linger. Horizontal visibility sits around 26.6 km, briefly nearer 14.7 km. The sun rises at 07:36 and sets at 19:06, for a total of 11 hours 30 minutes of sunlight today.
Taken together, Keflavík looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 10°C.
