Weather in South Seattle, WA
South Seattle, Sunday, 9 August, 04:19
Clear. Feels like 56°. High 78°, low 56°.
Monthly outlook for South Seattle, WA: average high 77.4°, average low 57.6°. That is 1° above the climate normal for August. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 15 August (85.9°), the coolest 10 August (53.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.7° | 76.5° | +2.3° |
| 19 August – 28 August | 71.8° | 74.1° | -1.3° |
| 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 (4 mi).
0
South Seattle, Monday, 10 August
Partly cloudy. High 81°, low 53°.
0
South Seattle, Tuesday, 11 August
Clear. High 84°, low 56°.
0South Seattle, Wednesday, 12 August
Clear. High 83°, low 57°.
0South Seattle, Thursday, 13 August
Clear. High 84°, low 57°.
0
South Seattle, Friday, 14 August
Overcast. High 86°, low 58°.
0South Seattle, Saturday, 15 August
Overcast. High 86°, low 59°.
0South Seattle, Sunday, 16 August
Overcast. High 84°, low 58°.
0.33
South Seattle, Monday, 17 August
Light rain. High 63°, low 59°.
0South Seattle, Tuesday, 18 August
Overcast. High 79°, low 58°.
0South Seattle, Wednesday, 19 August
Overcast. High 78°, low 59°.
0.1South Seattle, Thursday, 20 August
Light rain. High 81°, low 63°.
0.03South Seattle, Friday, 21 August
Light rain. High 74°, low 60°.
0.34South Seattle, Saturday, 22 August
Light rain. High 68°, low 59°.
0South Seattle, Sunday, 23 August
Light rain. High 71°, low 55°.
0.59South Seattle, Monday, 24 August
Rain. High 59°, low 56°.
0.07
South Seattle, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04South Seattle, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08South Seattle, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04South Seattle, Friday, 28 August
Climate normal for this date — 60-year average.
0.1South Seattle, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South Seattle, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06South Seattle, Monday, 31 August
Climate normal for this date — 60-year average.
0.08South Seattle, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08South Seattle, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08South Seattle, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06South Seattle, Friday, 4 September
Climate normal for this date — 60-year average.
0.07South Seattle, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11South Seattle, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06South Seattle, 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 South Seattle, 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 South Seattle, 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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