Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 17°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Saturday
5th Sep
17

12

8

4
Sunday
6th Sep
18

11

11

4
Monday
7th Sep
17

11

8

4
Tuesday
8th Sep
18

11

9

4
Wednesday
9th Sep
18

11

9

5

5-day weather forecast updated at 04:00 on Saturday 5th September 2026 GMT

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The 5-day weather forecast for Washington State (Friday Harbor) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Friday Harbor weather forecast by day

Below are the detailed weather forecasts for Friday Harbor for the next 5 days.

Friday Harbor weather for Saturday 5th September 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

17
°C maximum temperature
12
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from NW

Friday Harbor weather for Sunday 6th September 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SW

Friday Harbor weather for Monday 7th September 2026

17
°C maximum temperature
11
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
12
kph wind from S

Friday Harbor weather for Tuesday 8th September 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

18
°C maximum temperature
11
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
6
kph wind from W

Friday Harbor weather for Wednesday 9th September 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.