5-day weather forecast Reykjavík 18-06-2026

Weather forecast Reykjavík Thursday, June 18 18.06.2026: overcast, temperature from 9 °C to 12 °C.

Precipitation probability 16%. Wind up to 4.69 m/s (gusts 5.94 m/s). Air humidity 51–69%, atmospheric pressure 751–753 mm Hg.

Sunrise 02:55
Sunset 00:02
Waxing Crescent19% illuminated
Moonrise 07:07 · Moonset 01:46
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Overcast
10 °C16% 100%63%753 mm HgENE 74° 2.61 (3.58) m/s0
01:00Weather
Overcast
10 °C16% 100%64%752 mm HgE 89° 2.69 (3.64) m/s0
02:00Weather
Cloudy
10 °C12% 77%65%752 mm HgE 93° 2.5 (3.39) m/s0
03:00Weather
Overcast
10 °C16% 95%65%752 mm HgENE 73° 1.5 (2.03) m/s0
04:00Weather
Overcast
10 °C17% 100%65%752 mm HgNE 45° 2 (2.67) m/s0
05:00Weather
Overcast
9 °C16% 100%64%752 mm HgNNE 23° 2.5 (3.28) m/s0
06:00Weather
Overcast
9 °C15% 96%62%752 mm HgN 3° 3.61 (4.64) m/s0
07:00Weather
Cloudy
9 °C10% 68%61%752 mm HgN 3° 4.61 (5.81) m/s0
08:00Weather
Partly cloudy
9 °C7% 51%58%752 mm HgNNE 17° 4.69 (5.86) m/s0
09:00Weather
Partly cloudy
10 °C6% 48%55%752 mm HgNNE 28° 4.19 (5.14) m/s0
10:00Weather
Partly cloudy
11 °C6% 49%52%752 mm HgNE 38° 3.89 (4.72) m/s0
11:00Weather
Partly cloudy
11 °C5% 46%51%751 mm HgNE 39° 3.5 (4.28) m/s0
12:00Weather
Cloudy
12 °C8% 73%52%751 mm HgNE 40° 3.31 (4.14) m/s0
13:00Weather
Overcast
12 °C13% 100%54%751 mm HgNE 47° 2.89 (3.75) m/s0
14:00Weather
Overcast
12 °C13% 100%54%751 mm HgNE 40° 2.19 (2.83) m/s0
15:00Weather
Overcast
12 °C13% 100%53%751 mm HgNNE 30° 1.89 (2.47) m/s0
16:00Weather
Overcast
12 °C13% 100%54%751 mm HgNE 48° 2.11 (2.72) m/s0
17:00Weather
Overcast
12 °C14% 100%56%751 mm HgE 85° 3.19 (4.17) m/s0
18:00Weather
Overcast
12 °C14% 100%58%751 mm HgE 90° 3.39 (4.44) m/s0
19:00Weather
Patchy rain possible
12 °C12% (0.01 mm/hr)83%61%751 mm HgE 90° 3 (3.94) m/s0
20:00Weather
Patchy rain possible
11 °C16% (0.01 mm/hr)100%64%752 mm HgESE 110° 2.81 (3.78) m/s0
21:00Weather
Overcast
11 °C17% 100%65%752 mm HgSE 124° 3.5 (4.72) m/s0
22:00Weather
Overcast
10 °C18% 100%69%752 mm HgSE 138° 4.5 (5.94) m/s0
23:00Weather
Overcast
10 °C18% 100%69%752 mm HgSE 141° 4 (5.22) m/s0

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.