Weather in Cool Valley, PA
Cool Valley, Saturday, 8 August, 23:49
Clear. Feels like 74°. High 84°, low 68°.
Monthly outlook for Cool Valley, PA: average high 78.6°, average low 60°. That is 0.5° below the climate normal for August. Precipitation is expected on 7 days (about 3.1 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 10 August (86.9°), the coolest 22 August (51.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79° | 79.9° | -0.5° |
| 18 August – 27 August | 78° | 79.2° | -0.6° |
| 28 August – 6 September | at normal | 78.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Mount Lebanon (8 mi).
0.02
Cool Valley, Sunday, 9 August
Light rain. High 84°, low 68°.
1.88Cool Valley, Monday, 10 August
Heavy rain. High 87°, low 66°.
0.11Cool Valley, Tuesday, 11 August
Rain. High 81°, low 64°.
0.12Cool Valley, Wednesday, 12 August
Light rain. High 78°, low 65°.
0.02Cool Valley, Thursday, 13 August
Light rain. High 73°, low 59°.
0
Cool Valley, Friday, 14 August
Clear. High 75°, low 54°.
0
Cool Valley, Saturday, 15 August
Overcast. High 76°, low 54°.
0
Cool Valley, Sunday, 16 August
Partly cloudy. High 79°, low 55°.
0.02Cool Valley, Monday, 17 August
Light rain. High 73°, low 60°.
0Cool Valley, Tuesday, 18 August
Clear. High 81°, low 59°.
0.5Cool Valley, Wednesday, 19 August
Rain. High 83°, low 63°.
0.06Cool Valley, Thursday, 20 August
Light rain. High 68°, low 57°.
0Cool Valley, Friday, 21 August
Clear. High 74°, low 52°.
0.01Cool Valley, Saturday, 22 August
Light rain. High 77°, low 51°.
0.06Cool Valley, Sunday, 23 August
Light rain. High 85°, low 64°.
0.05Cool Valley, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Cool Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Cool Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Cool Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Cool Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Cool Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Cool Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Cool Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Cool Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Cool Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Cool Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Cool Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Cool Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Cool Valley, 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 Cool Valley, 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 Cool Valley, 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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