Weather in Friday Harbor, WA
Friday Harbor, Saturday, 8 August, 19:42
Clear. Feels like 61°. High 80°, low 57°.
0
Friday Harbor, Sunday, 9 August
Overcast. High 74°, low 51°.
0Friday Harbor, Monday, 10 August
Clear. High 68°, low 51°.
0Friday Harbor, Tuesday, 11 August
Clear. High 65°, low 55°.
0
Friday Harbor, Wednesday, 12 August
Mostly clear. High 63°, low 56°.
0Friday Harbor, Thursday, 13 August
Clear. High 67°, low 57°.
0Friday Harbor, Friday, 14 August
Mostly clear. High 71°, low 58°.
0Friday Harbor, Saturday, 15 August
Clear. High 70°, low 58°.
0Friday Harbor, Sunday, 16 August
Overcast. High 66°, low 57°.
0
Friday Harbor, Monday, 17 August
Partly cloudy. High 65°, low 56°.
0Friday Harbor, Tuesday, 18 August
Overcast. High 64°, low 56°.
0Friday Harbor, Wednesday, 19 August
Overcast. High 64°, low 55°.
0Friday Harbor, Thursday, 20 August
Mostly clear. High 65°, low 55°.
0Friday Harbor, Friday, 21 August
Clear. High 66°, low 55°.
0Friday Harbor, Saturday, 22 August
Partly cloudy. High 66°, low 56°.
0Friday Harbor, Sunday, 23 August
Overcast. High 61°, low 53°.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Friday Harbor, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Friday Harbor, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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