Weather in Walter Chapel, PA
Walter Chapel, Sunday, 9 August, 03:22
Clear. Feels like 69°. High 87°, low 69°.
Monthly outlook for Walter Chapel, PA: average high 83.3°, average low 61.2°. That is 1.8° above the climate normal for August. Precipitation is expected on 6 days (about 1.6 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 23 August (95.2°), the coolest 15 August (50.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.6° | 80.4° | -1° |
| 19 August – 28 August | 91.1° | 79.9° | +6.2° |
| 29 August – 7 September | at normal | 78.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Pittsburgh (13 mi).
0.49
Walter Chapel, Monday, 10 August
Heavy rain. High 81°, low 66°.
0.72Walter Chapel, Tuesday, 11 August
Heavy rain. High 86°, low 62°.
0.04Walter Chapel, Wednesday, 12 August
Light rain. High 81°, low 65°.
0.05Walter Chapel, Thursday, 13 August
Light rain. High 77°, low 58°.
0
Walter Chapel, Friday, 14 August
Overcast. High 73°, low 54°.
0Walter Chapel, Saturday, 15 August
Overcast. High 72°, low 50°.
0Walter Chapel, Sunday, 16 August
Overcast. High 71°, low 51°.
0
Walter Chapel, Monday, 17 August
Partly cloudy. High 78°, low 53°.
0
Walter Chapel, Tuesday, 18 August
Clear. High 80°, low 58°.
0Walter Chapel, Wednesday, 19 August
Partly cloudy. High 84°, low 57°.
0
Walter Chapel, Thursday, 20 August
Mostly clear. High 88°, low 62°.
0.06Walter Chapel, Friday, 21 August
Light rain. High 95°, low 71°.
0Walter Chapel, Saturday, 22 August
Mostly clear. High 90°, low 64°.
0Walter Chapel, Sunday, 23 August
Mostly clear. High 95°, low 67°.
0.27Walter Chapel, Monday, 24 August
Rain. High 94°, low 72°.
0.09Walter Chapel, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Walter Chapel, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Walter Chapel, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Walter Chapel, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Walter Chapel, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Walter Chapel, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Walter Chapel, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Walter Chapel, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Walter Chapel, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Walter Chapel, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Walter Chapel, Friday, 4 September
Climate normal for this date — 60-year average.
0.12Walter Chapel, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Walter Chapel, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Walter Chapel, 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 Walter Chapel, PA 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 Walter Chapel, PA 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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