5-day weather forecast Reykjavík 08-08-2026

Weather forecast Reykjavík today 08.08.2026: partly cloudy, temperature from 8 °C to 11 °C.

Precipitation probability 59%. Wind up to 6.89 m/s (gusts 8.42 m/s). Air humidity 72–88%, atmospheric pressure 750–755 mm Hg, UV index up to 2.6.

Sunrise 04:57
Sunset 22:09
Waning Crescent16% illuminated
Moonrise Does not rise today · Moonset Does not set today
Chart
Table
Sat, Aug 8, 2026

Forecast from 8 °C to 11 °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)91099999999910101111111111111010988
Precipitation (mm/hr)0.020.10.20.260.370.260.0900000000000000000

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 (%)9410010010010010010086786459655979100989175545342443932
Rain chance (%)263647525953362320171515131620191815121312141413

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)4.194.814.814.8955.5665.8965.815.815.89666.396.696.816.896.816.56.196.116
Wind gust (m/s)6.287.036.646.586.677.197.867.757.587.477.086.927.037.177.337.838.318.288.428.368.117.948.178.14
Wind direction (°)NE 34°NNE 32°NNE 29°NNE 24°NNE 27°NNE 26°NNE 28°NNE 31°NNE 28°NNE 21°NNE 19°NNE 19°NNE 15°NNE 12°NNE 13°NNE 13°N 10°N 10°NNE 13°NNE 15°NNE 16°NNE 17°NNE 15°NNE 16°

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 (%)848484868888868382807976747372727272737577808283

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)750750750750750750751751751752752752752752752752752753753754755755755755

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 Index00000000.10.20.61.21.92.52.62.52.31.91.610.60.2000

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)1.51.41.31.31.21.21.21.21.21.2111.21.21.31.41.51.61.61.61.61.71.81.7
PM10 (µg/m³)2.92.72.62.82.9333.23.43.133.33.73.83.73.73.63.63.53.63.94.65.15
Ozone (O₃) (µg/m³)454545454545444445464748484949474645464748484848
NO₂ (µg/m³)1.21.10.90.80.70.70.70.70.70.70.70.60.60.60.60.60.60.60.60.60.70.90.90.9
SO₂ (µg/m³)1.10.90.90.80.80.80.80.80.70.70.70.60.60.70.60.70.70.80.80.80.8111
CO (µg/m³)127127124122121121120120118117116116116116117116114114116116117118118119
Sat, Aug 8, 2026

Frequently asked questions about the 5-day weather in Reykjavík

Over the next 5 days in Reykjavík the temperature is expected to range from about 6 to 13 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

The chance of rain in Reykjavík over the next 5 days reaches 81%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Over the next 5 days the temperature in Reykjavík ranges from about 6 to 13 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in Reykjavík picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.

For a walk or a trip, pick the days with the lowest chance of rain (up to 81%) and light wind — easy to compare on the 5-day charts above.

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.