Weather in Boston Harbor, WA
Boston Harbor, Saturday, 8 August, 22:36
Clear. Feels like 61°. High 77°, low 56°.
Monthly outlook for Boston Harbor, WA: average high 84.2°, average low 52.7°. That is 3.5° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 15 August (93.6°), the coolest 23 August (50.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.1° | 78.9° | +3.4° |
| 18 August – 27 August | 82.7° | 76.3° | +3.5° |
| 28 August – 6 September | at normal | 74.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Olympia (7 mi).
0
Boston Harbor, Sunday, 9 August
Overcast. High 75°, low 51°.
0
Boston Harbor, Monday, 10 August
Mostly clear. High 83°, low 52°.
0
Boston Harbor, Tuesday, 11 August
Clear. High 86°, low 50°.
0
Boston Harbor, Wednesday, 12 August
Partly cloudy. High 78°, low 53°.
0Boston Harbor, Thursday, 13 August
Clear. High 86°, low 53°.
0Boston Harbor, Friday, 14 August
Clear. High 92°, low 54°.
0Boston Harbor, Saturday, 15 August
Clear. High 94°, low 56°.
0Boston Harbor, Sunday, 16 August
Clear. High 90°, low 54°.
0Boston Harbor, Monday, 17 August
Partly cloudy. High 91°, low 53°.
0Boston Harbor, Tuesday, 18 August
Overcast. High 85°, low 51°.
0Boston Harbor, Wednesday, 19 August
Overcast. High 82°, low 53°.
0Boston Harbor, Thursday, 20 August
Clear. High 82°, low 53°.
0Boston Harbor, Friday, 21 August
Clear. High 84°, low 52°.
0Boston Harbor, Saturday, 22 August
Overcast. High 84°, low 52°.
0Boston Harbor, Sunday, 23 August
Overcast. High 79°, low 50°.
0.06Boston Harbor, Monday, 24 August
Climate normal for this date — 60-year average.
0.05Boston Harbor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Boston Harbor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.07Boston Harbor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.06Boston Harbor, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Boston Harbor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Boston Harbor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.04Boston Harbor, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Boston Harbor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.05Boston Harbor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05Boston Harbor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04Boston Harbor, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Boston Harbor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.07Boston Harbor, Sunday, 6 September
Climate normal for this date — 60-year average.
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 Boston 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 Boston 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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