Weather in Federal Way, WA
Federal Way, Sunday, 9 August, 11:01
Mostly clear. Feels like 69°. High 78°, low 55°.
Monthly outlook for Federal Way, WA: average high 86.3°, average low 56°. 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 24 August (90.8°), the coolest 10 August (52°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.6° | 76.6° | +4.4° |
| 19 August – 28 August | 89.1° | 74.2° | +8.3° |
| 29 August – 7 September | at normal | 72.1° | — |
August records over 66 years
0
Federal Way, Monday, 10 August
Overcast. High 77°, low 52°.
0
Federal Way, Tuesday, 11 August
Clear. High 84°, low 52°.
0Federal Way, Wednesday, 12 August
Clear. High 83°, low 54°.
0Federal Way, Thursday, 13 August
Clear. High 84°, low 54°.
0Federal Way, Friday, 14 August
Overcast. High 90°, low 57°.
0Federal Way, Saturday, 15 August
Overcast. High 87°, low 56°.
0Federal Way, Sunday, 16 August
Mostly clear. High 90°, low 57°.
0Federal Way, Monday, 17 August
Mostly clear. High 84°, low 53°.
0Federal Way, Tuesday, 18 August
Clear. High 87°, low 55°.
0Federal Way, Wednesday, 19 August
Clear. High 90°, low 58°.
0Federal Way, Thursday, 20 August
Clear. High 88°, low 58°.
0Federal Way, Friday, 21 August
Clear. High 87°, low 56°.
0Federal Way, Saturday, 22 August
Clear. High 90°, low 58°.
0Federal Way, Sunday, 23 August
Clear. High 90°, low 60°.
0Federal Way, Monday, 24 August
Clear. High 91°, low 59°.
0.06Federal Way, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Federal Way, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.07
Federal Way, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Federal Way, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Federal Way, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Federal Way, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Federal Way, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Federal Way, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Federal Way, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Federal Way, Thursday, 3 September
Climate normal for this date — 60-year average.
0.03Federal Way, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Federal Way, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Federal Way, Sunday, 6 September
Climate normal for this date — 60-year average.
0.05Federal Way, 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 Federal Way, 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 Federal Way, 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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