Weather in William Penn Manor, PA
William Penn Manor, Sunday, 9 August, 09:28
Overcast. Feels like 79°. High 85°, low 71°.
Monthly outlook for William Penn Manor, PA: average high 80.6°, average low 60.2°. That is 0.4° below the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 11 August (87.1°), the coolest 16 August (52.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.6° | 81.9° | -1.3° |
| 19 August – 28 August | 82.2° | 80.5° | +0.9° |
| 29 August – 7 September | at normal | 79° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Stiles (9 mi).
0.01
William Penn Manor, Monday, 10 August
Light rain. High 85°, low 70°.
0.06William Penn Manor, Tuesday, 11 August
Light rain. High 87°, low 68°.
0.01William Penn Manor, Wednesday, 12 August
Light rain. High 84°, low 63°.
0.01William Penn Manor, Thursday, 13 August
Light rain. High 82°, low 64°.
0William Penn Manor, Friday, 14 August
Overcast. High 77°, low 56°.
0
William Penn Manor, Saturday, 15 August
Mostly clear. High 76°, low 53°.
0William Penn Manor, Sunday, 16 August
Overcast. High 74°, low 53°.
0.09William Penn Manor, Monday, 17 August
Light rain. High 65°, low 59°.
0William Penn Manor, Tuesday, 18 August
Overcast. High 82°, low 56°.
0.11William Penn Manor, Wednesday, 19 August
Light rain. High 82°, low 60°.
0.03William Penn Manor, Thursday, 20 August
Light rain. High 84°, low 60°.
0
William Penn Manor, Friday, 21 August
Clear. High 81°, low 54°.
0William Penn Manor, Saturday, 22 August
Clear. High 86°, low 57°.
0.2William Penn Manor, Sunday, 23 August
Rain. High 81°, low 65°.
0William Penn Manor, Monday, 24 August
Clear. High 79°, low 55°.
0.07
William Penn Manor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06William Penn Manor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.19
William Penn Manor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19William Penn Manor, Friday, 28 August
Climate normal for this date — 60-year average.
0.14William Penn Manor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05William Penn Manor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06William Penn Manor, Monday, 31 August
Climate normal for this date — 60-year average.
0.15William Penn Manor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12William Penn Manor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.14William Penn Manor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13William Penn Manor, Friday, 4 September
Climate normal for this date — 60-year average.
0.07William Penn Manor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23William Penn Manor, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13William Penn Manor, 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 William Penn Manor, 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 William Penn Manor, 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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