Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 48°F. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Sunday
4th Jan
48

43

3

1
Monday
5th Jan
45

41

5

1
Tuesday
6th Jan
45

41

0

0
Wednesday
7th Jan
43

39

0

0
Thursday
8th Jan
43

41

1

1

5-day weather forecast updated at 04:01 on Sunday 4th January 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 4th January 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 48°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 13 mph from the south-east.

48
°F maximum temperature
43
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
77
% chance of some rain
<20
mm of rainfall expected
43
°F wind chill
13
mph wind from SE

Friday Harbor weather for Monday 5th January 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 45°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 9 mph from the south.

45
°F maximum temperature
41
°F minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
39
°F wind chill
9
mph wind from S

Friday Harbor weather for Tuesday 6th January 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 45°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 14 mph from the south.

45
°F maximum temperature
41
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<10
mm of rainfall expected
37
°F wind chill
14
mph wind from S

Friday Harbor weather for Wednesday 7th January 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 43°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% 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 rain
0
hours of sunshine
0
UV index (None)
84
% chance of some rain
<20
mm of rainfall expected
36
°F wind chill
12
mph wind from SW

Friday Harbor weather for Thursday 8th January 2026

Expect mostly cloudy with light 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 2-5 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 14 mph from the south-west.