Weather in Charter Oak, WA
Charter Oak, Saturday, 8 August, 21:51
Clear. Feels like 65°. High 88°, low 58°.
Monthly outlook for Charter Oak, WA: average high 85.9°, average low 53.1°. That is 3.3° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 16 August (93.2°), the coolest 13 August (49.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 87.4° | 81.1° | +3.5° |
| 18 August – 27 August | 83.5° | 78.4° | +2.8° |
| 28 August – 6 September | at normal | 76.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Minnehaha (12 mi).
0
Charter Oak, Sunday, 9 August
Mostly clear. High 82°, low 53°.
0
Charter Oak, Monday, 10 August
Clear. High 84°, low 53°.
0Charter Oak, Tuesday, 11 August
Clear. High 86°, low 49°.
0Charter Oak, Wednesday, 12 August
Clear. High 79°, low 53°.
0Charter Oak, Thursday, 13 August
Clear. High 87°, low 49°.
0Charter Oak, Friday, 14 August
Clear. High 93°, low 53°.
0
Charter Oak, Saturday, 15 August
Overcast. High 92°, low 57°.
0Charter Oak, Sunday, 16 August
Clear. High 93°, low 57°.
0Charter Oak, Monday, 17 August
Overcast. High 89°, low 56°.
0Charter Oak, Tuesday, 18 August
Overcast. High 85°, low 54°.
0Charter Oak, Wednesday, 19 August
Overcast. High 84°, low 53°.
0Charter Oak, Thursday, 20 August
Clear. High 82°, low 52°.
0Charter Oak, Friday, 21 August
Clear. High 85°, low 51°.
0
Charter Oak, Saturday, 22 August
Partly cloudy. High 85°, low 51°.
0Charter Oak, Sunday, 23 August
Overcast. High 80°, low 51°.
0.07Charter Oak, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Charter Oak, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Charter Oak, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06Charter Oak, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Charter Oak, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Charter Oak, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Charter Oak, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Charter Oak, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Charter Oak, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Charter Oak, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Charter Oak, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04Charter Oak, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Charter Oak, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Charter Oak, 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 Charter Oak, 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 Charter Oak, 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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