Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 45°F. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Sunday
29th Mar
45

39

2

1
Monday
30th Mar
46

37

9

3
Tuesday
31st Mar
48

39

0

4
Wednesday
1st Apr
48

41

1

2
Thursday
2nd Apr
50

41

2

3

5-day weather forecast updated at 04:01 on Sunday 29th 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 29th March 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a light breeze of 6 mph from the west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
72
% chance of some rain
<5
mm of rainfall expected
41
°F wind chill
6
mph wind from W

Friday Harbor weather for Monday 30th March 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 46°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-west.

46
°F maximum temperature
37
°F minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
43
°F wind chill
6
mph wind from NW

Friday Harbor weather for Tuesday 31st March 2026

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 48°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

48
°F maximum temperature
39
°F minimum temperature
overcast skies
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
48
°F wind chill
4
mph wind from N

Friday Harbor weather for Wednesday 1st April 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 48°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 12 mph from the south-east.

48
°F maximum temperature
41
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
95
% chance of some rain
<20
mm of rainfall expected
43
°F wind chill
12
mph wind from SE

Friday Harbor weather for Thursday 2nd April 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 50°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a light breeze of 6 mph from the south-west.