Weather in West Deer, PA
West Deer, Sunday, 9 August, 00:12
Mostly clear. Feels like 74°. High 85°, low 69°.
Monthly outlook for West Deer, PA: average high 79°, average low 59.9°. That is 0.6° below the climate normal for August. Precipitation is expected on 6 days (about 2.1 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 23 August (85.8°), the coolest 22 August (51.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.1° | 80.4° | -0.7° |
| 19 August – 28 August | 78.8° | 79.9° | -0.6° |
| 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 (15 mi).
1.47
West Deer, Monday, 10 August
Heavy rain. High 83°, low 65°.
0.14West Deer, Tuesday, 11 August
Rain. High 81°, low 64°.
0.06West Deer, Wednesday, 12 August
Light rain. High 80°, low 67°.
0
West Deer, Thursday, 13 August
Partly cloudy. High 74°, low 59°.
0
West Deer, Friday, 14 August
Clear. High 75°, low 54°.
0
West Deer, Saturday, 15 August
Mostly clear. High 76°, low 54°.
0West Deer, Sunday, 16 August
Partly cloudy. High 81°, low 54°.
0.01West Deer, Monday, 17 August
Light rain. High 72°, low 60°.
0West Deer, Tuesday, 18 August
Clear. High 83°, low 58°.
0.34West Deer, Wednesday, 19 August
Rain. High 84°, low 64°.
0.04West Deer, Thursday, 20 August
Light rain. High 70°, low 59°.
0West Deer, Friday, 21 August
Clear. High 74°, low 52°.
0.02West Deer, Saturday, 22 August
Light rain. High 77°, low 51°.
0.02West Deer, Sunday, 23 August
Light rain. High 86°, low 63°.
0.04West Deer, Monday, 24 August
Light rain. High 82°, low 63°.
0.09West Deer, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09West Deer, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
West Deer, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19West Deer, Friday, 28 August
Climate normal for this date — 60-year average.
0.12West Deer, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14West Deer, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16West Deer, Monday, 31 August
Climate normal for this date — 60-year average.
0.11West Deer, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13West Deer, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1West Deer, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09West Deer, Friday, 4 September
Climate normal for this date — 60-year average.
0.12West Deer, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14West Deer, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11West Deer, 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 West Deer, 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 West Deer, 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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