Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 16°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Tuesday
19th May
16

10

1

UV6
Wednesday
20th May
15

9

9

UV6
Thursday
21st May
17

9

12

UV6
Friday
22nd May
17

10

13

UV7
Saturday
23rd May
17

11

14

UV6

5-day weather forecast updated at 04:01 on Wednesday 20th May 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 Tuesday 19th May 2026

Expect mostly cloudy with rain in Friday Harbor, Washington State with a maximum temperature of 16°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected and a light breeze of 12 kph from the south-west.

16
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
UV6
UV index (High)
<20
mm of rainfall expected
16
°C wind chill
12
kph wind from SW

Friday Harbor weather for Wednesday 20th May 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 15°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

15
°C maximum temperature
9
°C minimum temperature
broken clouds
9
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NW

Friday Harbor weather for Thursday 21st May 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 17°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

17
°C maximum temperature
9
°C minimum temperature
scattered clouds
12
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SW

Friday Harbor weather for Friday 22nd May 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 17°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

17
°C maximum temperature
10
°C minimum temperature
scattered clouds
13
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NW

Friday Harbor weather for Saturday 23rd May 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 17°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.