Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 46°F. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Wednesday
11th Mar
46

39

0

1
Thursday
12th Mar
45

39

0

2
Friday
13th Mar
43

36

1

1
Saturday
14th Mar
45

37

7

2
Sunday
15th Mar
43

37

0

1

5-day weather forecast updated at 04:01 on Wednesday 11th 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 Wednesday 11th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 46°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 19 mph from the south-east.

46
°F maximum temperature
39
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<10
mm of rainfall expected
39
°F wind chill
19
mph wind from SE

Friday Harbor weather for Thursday 12th March 2026

Expect mostly cloudy with light 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 2-5 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 19 mph from the west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
93
% chance of some rain
<5
mm of rainfall expected
36
°F wind chill
19
mph wind from W

Friday Harbor weather for Friday 13th March 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 43°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a light breeze of 6 mph from the south-west.

43
°F maximum temperature
36
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
70
% chance of some rain
<20
mm of rainfall expected
39
°F wind chill
6
mph wind from SW

Friday Harbor weather for Saturday 14th March 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the west.

45
°F maximum temperature
37
°F minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
7
mph wind from W

Friday Harbor weather for Sunday 15th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 43°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 6 mph from the south-east.