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Selfoss, Iceland Weather Forecast
Selfoss, Weather Forecast Dated: 621 PM Tue Sep 01 2026 (Selfoss Time)
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the next two weeks. generally humid conditions and an unsettled pattern will dominate.
Tuesday, September 1, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
50°F 10°C
Overcast
Brisk around 50°F 10°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure.
Wednesday, September 2, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
49°F 9°C
Light Showers
Early-Evening
47°F 9°C
Light Showers
Cool and brisk at 49°F 9°C, persistent showers off and on through the day, with steady humidity and barometric pressure falling. Winds turning from the ESE to the ENE at 27 mph 44 km/h. Gusts up to 37 mph 60 km/h.
Thursday, September 3, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
50°F 10°C
Light Showers
Chilly near 52°F 11°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds tapering down from ENE 20 mph 32 km/h to NNE 12 mph 19 km/h.
Friday, September 4, 2026
Mid-Morning
49°F 9°C
Scattered Showers
Mid-Afternoon
49°F 9°C
Scattered Showers
Early-Evening
48°F 9°C
Scattered Showers
Crisp with a high near 49°F 9°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds WSW at 18 mph 29 km/h.
Saturday, September 5, 2026
Mid-Morning
47°F 8°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Partly Cloudy
Early-Evening
50°F 10°C
Overcast
Brisk around 48°F 9°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the W to the WNW at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Sunday, September 6, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
49°F 10°C
Sunny
Early-Evening
51°F 11°C
Sunny
Cool and brisk at 49°F 10°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds building from NE at 4 mph 6 km/h to NW at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
50°F 10°C
Cloudy
Early-Evening
51°F 11°C
Overcast
Chilly near 50°F 10°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds increasing from the E at 6 mph 10 km/h to E at 16 mph 25 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 8, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
54°F 12°C
Sunny
Crisp with a high near 52°F 11°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds switching from the N to the NNW at 8 mph 12 km/h.
Wednesday, September 9, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
53°F 11°C
Sunny
Brisk around 54°F 12°C, sunny throughout the day, with steady humidity and steady pressure. Winds building from N at 3 mph 5 km/h to WNW at 15 mph 23 km/h.
Thursday, September 10, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
51°F 10°C
Scattered Showers
Early-Evening
52°F 11°C
Overcast
Cool and brisk at 51°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the W to the S at 10 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
52°F 11°C
Light Showers
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
53°F 12°C
Scattered Showers
Chilly near 53°F 12°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds out of the SSE at 18 mph 30 km/h. Gusts up to 33 mph 53 km/h.
Saturday, September 12, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
51°F 11°C
Scattered Showers
Crisp with a high near 53°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds tapering down from S 35 mph 56 km/h to W 15 mph 24 km/h.
Sunday, September 13, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
52°F 11°C
Light Showers
Brisk around 51°F 11°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds increasing from the W at 10 mph 17 km/h to SSW at 19 mph 30 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 14, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
49°F 10°C
Overcast
Cool and brisk at 50°F 10°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the W to the S at 5 mph 8 km/h.
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