Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 7°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

Saturday
14th Mar
7

3

11

2
Sunday
15th Mar
7

4

0

1
Monday
16th Mar
9

5

0

2
Tuesday
17th Mar
11

8

0

3
Wednesday
18th Mar
12

9

0

0

5-day weather forecast updated at 04:01 on Saturday 14th 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 Saturday 14th March 2026

Expect sunshine and showers in Friday Harbor, Washington State with a maximum temperature of 7°C, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a light breeze of 11 kph from the north-west.

7
°C maximum temperature
3
°C minimum temperature
sunshine and showers
11
hours of sunshine
2
UV index (Low)
13
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
11
kph wind from NW

Friday Harbor weather for Sunday 15th March 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 98% chance of some rain and a light breeze of 11 kph from the south-east.

7
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
98
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
11
kph wind from SE

Friday Harbor weather for Monday 16th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 14 kph from the south-east.

9
°C maximum temperature
5
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
14
kph wind from SE

Friday Harbor weather for Tuesday 17th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 15 kph from the south-east.

11
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
87
% chance of some rain
<20
mm of rainfall expected
11
°C wind chill
15
kph wind from SE

Friday Harbor weather for Wednesday 18th March 2026

Expect cloudy with some rain in Friday Harbor, Washington State with a maximum temperature of 12°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a light breeze of 12 kph from the south-east.