Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 50°F. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Sunday
8th Mar
50

41

9

3
Monday
9th Mar
43

39

3

2
Tuesday
10th Mar
45

39

1

1
Wednesday
11th Mar
50

41

0

0
Thursday
12th Mar
45

39

0

2

5-day weather forecast updated at 04:01 on Sunday 8th March 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 Sunday 8th March 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 50°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 12 mph from the west.

50
°F maximum temperature
41
°F minimum temperature
sunshine and showers
9
hours of sunshine
3
UV index (Moderate)
39
% chance of some rain
<5
mm of rainfall expected
45
°F wind chill
12
mph wind from W

Friday Harbor weather for Monday 9th March 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 43°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 12 mph from the south-west.

43
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
52
% chance of some rain
<2
mm of rainfall expected
36
°F wind chill
12
mph wind from SW

Friday Harbor weather for Tuesday 10th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 11 mph from the south-west.

45
°F maximum temperature
39
°F minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
100
% chance of some rain
<10
mm of rainfall expected
37
°F wind chill
11
mph wind from SW

Friday Harbor weather for Wednesday 11th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 50°F and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 99% chance of some rain and a moderate breeze of 17 mph from the south-east.

50
°F maximum temperature
41
°F minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
>50
mm or more of rainfall expected
0
no heat & humidity
17
mph wind from SE

Friday Harbor weather for Thursday 12th March 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 16 mph from the west.