Weather in Vashon Heights, WA
Vashon Heights, Sunday, 9 August, 06:20
Clear. Feels like 55°. High 75°, low 55°.
Monthly outlook for Vashon Heights, WA: average high 86.2°, average low 55.9°. That is 5.9° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 14 August (92.1°), the coolest 10 August (52.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.9° | 76.5° | +4.6° |
| 19 August – 28 August | 88.5° | 74.1° | +8° |
| 29 August – 7 September | at normal | 71.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — White Center (5 mi).
0
Vashon Heights, Monday, 10 August
Overcast. High 75°, low 52°.
0Vashon Heights, Tuesday, 11 August
Clear. High 86°, low 53°.
0Vashon Heights, Wednesday, 12 August
Clear. High 85°, low 55°.
0Vashon Heights, Thursday, 13 August
Clear. High 83°, low 55°.
0Vashon Heights, Friday, 14 August
Overcast. High 92°, low 57°.
0Vashon Heights, Saturday, 15 August
Overcast. High 89°, low 55°.
0
Vashon Heights, Sunday, 16 August
Partly cloudy. High 91°, low 56°.
0Vashon Heights, Monday, 17 August
Overcast. High 85°, low 54°.
0Vashon Heights, Tuesday, 18 August
Clear. High 88°, low 56°.
0Vashon Heights, Wednesday, 19 August
Clear. High 90°, low 58°.
0Vashon Heights, Thursday, 20 August
Clear. High 89°, low 58°.
0Vashon Heights, Friday, 21 August
Clear. High 87°, low 56°.
0Vashon Heights, Saturday, 22 August
Clear. High 90°, low 57°.
0Vashon Heights, Sunday, 23 August
Clear. High 88°, low 59°.
0Vashon Heights, Monday, 24 August
Clear. High 87°, low 57°.
0.07
Vashon Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Vashon Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Vashon Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Vashon Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Vashon Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Vashon Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Vashon Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Vashon Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Vashon Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Vashon Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Vashon Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Vashon Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Vashon Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Vashon Heights, Monday, 7 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 Vashon Heights, 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 Vashon Heights, 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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