Friday Harbor weather live forecast

Today's maximum temperature in Friday Harbor is expected to be 8°C. Select a day from the live weather forecast for Friday Harbor, Washington State, USA for more weather parameters.

  • Wednesday
    25th Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Thursday
    26th Mar
    Broken clouds
  • Friday
    27th Mar
    Broken clouds
  • Saturday
    28th Mar
    Overcast skies
  • Sunday
    29th Mar
    Overcast with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 25th March 2026 GMT

More about Friday Harbor

Friday Harbor by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Washington State

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

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 Wednesday 25th March 2026

Expect mostly cloudy with light rain in Friday Harbor, Washington State with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 83% chance of some rain83
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

Back to top

Friday Harbor weather for Thursday 26th March 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

Back to top

Friday Harbor weather for Friday 27th March 2026

Expect broken clouds in Friday Harbor, Washington State with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North9
    kph wind from N

Back to top

Friday Harbor weather for Saturday 28th March 2026

Expect overcast skies in Friday Harbor, Washington State with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 9°C wind chill9
    °C wind chill
  • Light breeze of 7 kph from the North-West7
    kph wind from NW

Back to top

Friday Harbor weather for Sunday 29th March 2026

Expect overcast with light rain in Friday Harbor, Washington State with a maximum temperature of 8°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a light breeze of 11 kph from the north-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 11 kph from the North-West11
    kph wind from NW

Back to top

  • Save up to 50% on 2026 holidays & tours with Travelbag
  • Book selected stays in popular destinations around the world
  • Travel before 31st December 2026 (inclusive)

Expires at 23:59 on Tuesday 31st Mar 2026 · View all Travelbag offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^