Weather forecast for Keflavík - weather.plus
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Weather forecast for Keflavík

Astronomical data for 2026/07/18:
Sunrise:03:55 h
Sunset:23:17 h
Moonrise: 10:47 h
Moonset: 23:19 h

Weather forecast for today and the next 5 days:

Sat
during the day broken
11°C
7°C		Sun
during the day overcast
12°C
9°C		Mon
during the day overcast
11°C
8°C		Tue
during the day broken
11°C
8°C		Wed
during the day broken
12°C
8°C		Thu
during the day broken
11°C
9°C
Sat
during the day broken
11°C
7°C		Sun
during the day overcast
12°C
9°C		Mon
during the day overcast
11°C
8°C		Tue
during the day broken
11°C
8°C		Wed
during the day broken
12°C
8°C		Thu
during the day broken
11°C
9°C


▸Change to Fahrenheit/mmHg/in.

Weather forecast details:
TemperatureAir pressureHumidityWeatherWind
Temp. / Dewpoint / WindchillSealevel / Station levelrelative / absoluteSun and clouds / Rain amountWind direction and speed
 Saturday
2026/07/18
 
 Night
11 °C9810271026 hPa87%8.7 g/m³sky clear0/8 0 mm Wind from the SW4 Bft (6 m/s)
 Early
11 °C9910261025 hPa86%8.6 g/m³broken6/8 0 mm Wind from the SW3 Bft (4 m/s)
 Morning
10 °C8810261025 hPa87%8.2 g/m³broken7/8 0 mm Wind from the SW3 Bft (4 m/s)
 Mornings
10 °C9810251024 hPa92%8.7 g/m³overcast8/8 1 mm Wind from the SW2 Bft (3 m/s)
 Noon
11 °C11810241023 hPa98%9.8 g/m³overcast8/8 1 mm Wind from the SW4 Bft (7 m/s)
 Afternoon
10 °C9610251024 hPa94%8.9 g/m³overcast8/8 0 mm Wind from the SW5 Bft (9 m/s)
 Evening
8 °C7510251024 hPa91%7.5 g/m³few2/8 0 mm Wind from the SW3 Bft (5 m/s)
 Night
9 °C8610251024 hPa90%8.0 g/m³broken5/8 0 mm Wind from the SW4 Bft (6 m/s)
 Sunday
2026/07/19
 
 Night
9 °C9610241023 hPa97%8.6 g/m³overcast8/8 0 mm Wind from the SW4 Bft (7 m/s)
 Early
10 °C9610241023 hPa96%9.0 g/m³few2/8 0 mm Wind from the SW5 Bft (9 m/s)
 Morning
10 °C9610241023 hPa96%9.0 g/m³overcast8/8 0 mm Wind from the SW5 Bft (9 m/s)
 Mornings
10 °C10610251024 hPa97%9.1 g/m³overcast8/8 0 mm Wind from the SW5 Bft (10 m/s)
 Noon
11 °C10710251024 hPa95%9.5 g/m³overcast8/8 0 mm Wind from the SW5 Bft (11 m/s)
 Afternoon
11 °C10710261025 hPa94%9.4 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Evening
11 °C10710261025 hPa95%9.5 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Night
11 °C10710261025 hPa94%9.4 g/m³broken5/8 0 mm Wind from the SW6 Bft (12 m/s)
 Monday
2026/07/20
 
 Night
11 °C10710261025 hPa94%9.4 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Early
11 °C10710251024 hPa96%9.6 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Morning
11 °C10710251024 hPa95%9.5 g/m³overcast8/8 0 mm Wind from the SW6 Bft (13 m/s)
 Mornings
10 °C9510251024 hPa96%9.0 g/m³overcast8/8 0 mm Wind from the SW6 Bft (14 m/s)
 Noon
10 °C9610251024 hPa96%9.0 g/m³overcast8/8 0 mm Wind from the SW6 Bft (13 m/s)
 Afternoon
9 °C8510251024 hPa96%8.5 g/m³overcast8/8 0 mm Wind from the SW5 Bft (11 m/s)
 Evening
9 °C8510251024 hPa96%8.5 g/m³overcast8/8 0 mm Wind from the SW5 Bft (9 m/s)
 Night
9 °C8510261025 hPa92%8.1 g/m³broken7/8 0 mm Wind from the SW5 Bft (9 m/s)
 Tuesday
2026/07/21
 
 Night
10 °C9710261025 hPa91%8.6 g/m³overcast8/8 0 mm Wind from the SW4 Bft (8 m/s)
 Early
11 °C10810251024 hPa96%9.6 g/m³overcast8/8 0 mm Wind from the SW4 Bft (8 m/s)
 Morning
10 °C10710251024 hPa97%9.1 g/m³overcast8/8 0 mm Wind from the SW4 Bft (7 m/s)
 Mornings
10 °C9710261025 hPa96%9.0 g/m³overcast8/8 0 mm Wind from the SW4 Bft (7 m/s)
 Noon
10 °C10710271026 hPa97%9.1 g/m³overcast8/8 0 mm Wind from the SW4 Bft (7 m/s)
 Afternoon
9 °C8610281027 hPa93%8.2 g/m³overcast8/8 0 mm Wind from the SW4 Bft (7 m/s)
 Evening
11 °C9910281027 hPa90%9.0 g/m³broken7/8 0 mm Wind from the SW3 Bft (5 m/s)
 Night
9 °C8710281027 hPa93%8.2 g/m³few2/8 0 mm Wind from the SW2 Bft (3 m/s)
 Wednesday
2026/07/22
 
 Night
9 °C8710281027 hPa93%8.2 g/m³few2/8 0 mm Wind from the SW3 Bft (4 m/s)
 Early
9 °C8610261025 hPa93%8.2 g/m³broken7/8 0 mm Wind from the SW4 Bft (6 m/s)
 Morning
10 °C10610241023 hPa98%9.2 g/m³broken5/8 0 mm Wind from the SW5 Bft (9 m/s)
 Mornings
11 °C10710211020 hPa93%9.3 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Noon
11 °C10710191018 hPa91%9.1 g/m³overcast8/8 0 mm Wind from the SW6 Bft (12 m/s)
 Afternoon
10 °C9610161015 hPa94%8.9 g/m³overcast8/8 4 mm Wind from the SW6 Bft (13 m/s)
 Evening
10 °C9610141013 hPa96%9.0 g/m³overcast8/8 4 mm Wind from the SW6 Bft (13 m/s)
 Night
9 °C9510121011 hPa97%8.6 g/m³overcast8/8 0 mm Wind from the SW4 Bft (8 m/s)
 Thursday
2026/07/23
 
 Night
9 °C7510111010 hPa88%7.8 g/m³overcast8/8 0 mm Wind from the SW5 Bft (9 m/s)
 Early
9 °C7510081007 hPa88%7.8 g/m³overcast8/8 0 mm Wind from the SW5 Bft (10 m/s)
 Morning
9 °C8510061005 hPa91%8.0 g/m³overcast8/8 0 mm Wind from the SW5 Bft (11 m/s)
 Mornings
9 °C7510041003 hPa87%7.7 g/m³broken6/8 0 mm Wind from the SW5 Bft (10 m/s)
 Noon
9 °C7510021001 hPa89%7.9 g/m³overcast8/8 0 mm Wind from the SW5 Bft (9 m/s)
 Afternoon
9 °C8510011000 hPa90%8.0 g/m³overcast8/8 0 mm Wind from the SW4 Bft (8 m/s)
 Evening
10 °C87999998 hPa89%8.4 g/m³overcast8/8 0 mm Wind from the SW4 Bft (8 m/s)
 Night
11 °C98997996 hPa89%8.9 g/m³broken7/8 0 mm Wind from the SW4 Bft (7 m/s)
 This weather forecast was calculated 2026/07/18 at 04 UTC. Basis is the SEVERE-Model of Tempsvrai.

Notes:
• The astronomical data refer to a level horizon and a height of 0 meters. Neither altitude nor mountains in the area are considered.
• All data of the weather forecast refer to the position of the place 64°N 22.56°W, elevation 11 m. In cities and mountainous terrain, the actual values in the immediate vicinity may deviate significantly from the forecast values.
• The values of the windchill factor result from the wind chill temperature or the heat index, depending on the predicted temperature.