Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 14°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Saturday
17th Oct
14

9

8

2
Sunday
18th Oct
12

8

1

2
Monday
19th Oct
12

9

2

2
Tuesday
20th Oct
12

9

9

2
Wednesday
21st Oct
12

7

4

2

5-day weather forecast updated at 04:00 on Saturday 17th October 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 17th October 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 14°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 9% chance of some rain and a gentle breeze of 16 kph from the south-west.

14
°C maximum temperature
9
°C minimum temperature
sunshine and showers
8
hours of sunshine
2
UV index (Low)
9
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Friday Harbor weather for Sunday 18th October 2026

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 12°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

12
°C maximum temperature
8
°C minimum temperature
overcast skies
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
8
kph wind from N

Friday Harbor weather for Monday 19th October 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-west.

12
°C maximum temperature
9
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NW

Friday Harbor weather for Tuesday 20th October 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 12°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

12
°C maximum temperature
9
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from N

Friday Harbor weather for Wednesday 21st October 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 12°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.