Today's Weather Forecast - Reykjavik

Today's weather in Reykjavik. high 9°C (48°F), low 6°C (43°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon
Wind speed
14 km/h
Rain probability
86%
AfternoonNoon – 6 PM
Wind speed
18 km/h
Rain probability
98%
Evening6 PM – Midn
Wind speed
17 km/h
Rain probability
78%
NightMidn – 6 AM
Wind speed
16 km/h
Rain probability
60%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:08 AM
Total Daylight
55% of day elapsedSolar noon 1:23 PM
Sunset
Dusk 8:37 PM
Remaining6h 4m
Solar elevation30°
vs yesterday-9 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Grensásv., Iceland
PM2.5
24μg/m³
PM10
10μg/m³
O₃
15.4ppb
NO₂
10.7ppb
SO₂
1.7ppb
CO
0.1ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Reykjavik is forecast to reach a high of 9°C today, with an overnight low around 6°C. That's 1° below the long-term average high of 10°C for this time of year. It continues a recent pattern — 8 of the last 19 days with published data have run cooler than normal. Expect a high chance of rain (98% probability) and a gentle breeze averaging 18 km/h. Air quality is currently good (AQI 32), with no notable outdoor health concerns.

Today vs Normal

9°C-1° below normal

The long-term average high for today is 10°C.

8 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-19: 13°C13°2026-08-20: 12°C12°2026-08-21: 12°C12°2026-08-22: 12°C12°2026-08-23: 12°C12°2026-08-24: 9°C9°2026-08-25: 10°C10°2026-08-26: 10°C10°2026-08-27: 10°C10°2026-08-28: 11°C11°2026-08-29: 10°C10°2026-08-30: 11°C11°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.