Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 13°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Saturday
16th May
13

8

10

4
Sunday
17th May
15

8

11

7
Monday
18th May
15

9

8

6
Tuesday
19th May
16

10

9

6
Wednesday
20th May
17

9

14

6

5-day weather forecast updated at 04:01 on Saturday 16th 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 Saturday 16th May 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 15 kph from the west.

13
°C maximum temperature
8
°C minimum temperature
sunshine and showers
10
hours of sunshine
4
UV index (Moderate)
43
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Friday Harbor weather for Sunday 17th May 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 15°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

15
°C maximum temperature
8
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Friday Harbor weather for Monday 18th May 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 15°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 11 kph from the south-west.

15
°C maximum temperature
9
°C minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Friday Harbor weather for Tuesday 19th May 2026

Expect scattered clouds in Friday Harbor, Washington State with a maximum temperature of 16°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

16
°C maximum temperature
10
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SW

Friday Harbor weather for Wednesday 20th May 2026

Expect clear skies 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 light breeze of 8 kph from the south-west.