5-day weather forecast Reykjavík Sep 6, 2026

12° · Sunny

Weather forecast Reykjavík Sunday, September 6 Sep 6, 2026: sunny, temperature from 7 °C to 12 °C.

Precipitation probability 9%. Wind up to 7.11 m/s (gusts 9.61 m/s). Air humidity 62–78%, atmospheric pressure 750–757 mm Hg, UV index up to 2.

5 days at a glance — tap a day to open it
Sunrise 06:25
Sunset 20:27
Waning Crescent20% illuminated
Moonrise does not rise today · Moonset does not set today
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Forecast from 7 °C to 12 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)88888777778899101010111112111099
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)555555530000000135543523
Rain chance (%)566666665555444567766789

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)3.613.693.192.812.812.892.812.812.892.612.392.112.312.52.53.815.56.617.115.89666.396.69
Wind gust (m/s)6.617.693.222.815.815.895.816.816.895.612.422.112.335.52.537.818.59.617.616.726.726.427.397.61
Wind direction (°)N 358°N 7°NNE 14°NNE 23°NNE 32°NE 34°NE 35°NNE 28°NNE 33°NNE 24°NNE 19°N 7°NNW 346°NNW 330°NW 320°NW 309°NW 314°NW 316°NW 321°NNW 346°NNE 23°NNE 21°NNE 20°NNE 21°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)666868676869686868686765646362677072717070737778

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)757756756756755755755755755755754754754753753752752752751751751751750750

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.20.50.91.41.921.81.51.20.70.40.20000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)2.52.72.42.833.23.43.43.43.42.41.71.71.61.51.41.41.41.41.61.82.11.61.3
PM10 (µg/m³)5.55.86.36.56.565.354.94.84.655.55.44.74.33.63.53.43.63.73.62.92.2
Ozone (O₃) (µg/m³)6058555047484441434453565559626060636363605652.354
NO₂ (µg/m³)3.43.64.14.14.33.73.73.53.73.72.91.91.61.310.90.80.90.91.21.51.71.81.6
SO₂ (µg/m³)0.82.84.27.16.65.42.92.42.21.92.22.83.93.72.61.70.90.60.50.50.50.52.44.7
CO (µg/m³)162168168164166168167166166169174169165159155155154154153153153153142.3131.5

Reykjavík on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.