5-day weather forecast Reykjavík Oct 17, 2026

10°8° · Patchy rain possible

Weather forecast Reykjavík Saturday Oct 17, 2026: patchy rain possible, temperature from 8 °C to 10 °C.

Precipitation probability 80%. Wind up to 22.31 m/s (gusts 29.11 m/s). Air humidity 74–90%, atmospheric pressure 749–767 mm Hg, UV index up to 0.5.

5 days at a glance — tap a day to open it
Sunrise 08:24
Sunset 18:01
First Quarter47% illuminated
Moonrise 18:19 · Moonset 20:10
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Table

Forecast from 8 °C to 10 °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)888888889899999999999101010
Precipitation (mm/hr)0.060.060.090.080.040.040.050.050.010000000.020.351.041.171.560.390.772.11.54

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 (%)10072861001001001001001009410010010087100100100100100100100100100100
Rain chance (%)332631342827272723222221212025265571727559678077

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)666.196.56.57.58.699.6110.511.512.513.51516.3118.520.6921.1921.8922.3122.1122.3121.6919.1914.11
Wind gust (m/s)7.8188.339.119.6110.6111.7212.8313.6114.8115.8317.1419.4421.2223.6125.7227.0328.1128.529.112928.1925.8919.92
Wind direction (°)S 184°SSE 166°SSE 159°SSE 156°SSE 152°SSE 154°SSE 156°SSE 155°SSE 153°SSE 148°SE 141°SE 139°SE 139°SE 137°SE 136°SE 135°SE 133°SE 131°SE 126°SE 129°SE 132°SE 135°SE 144°S 180°

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 (%)878584848278777777787775747881818486868687889089

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)767767767767767766766766765764764763762761759758756755753752751749749749

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 Index00000000000.10.20.40.50.50.30.10000000

Air quality & pollen

Air quality is available for the first three days only.

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.