Weather in Mount Pleasant, PA
Mount Pleasant, Sunday, 9 August, 05:42
Clear. Feels like 67°. High 85°, low 66°.
Monthly outlook for Mount Pleasant, PA: average high 82.1°, average low 61.2°. That is 1.5° above the climate normal for August. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 24 August (93.4°), the coolest 16 August (51.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.4° | 79.8° | -1.3° |
| 19 August – 28 August | 89.8° | 79.2° | +5.9° |
| 29 August – 7 September | at normal | 77.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Mount Lebanon (14 mi).
0.64
Mount Pleasant, Monday, 10 August
Heavy rain. High 82°, low 67°.
1.09Mount Pleasant, Tuesday, 11 August
Heavy rain. High 83°, low 63°.
0.09Mount Pleasant, Wednesday, 12 August
Light rain. High 79°, low 64°.
0.07Mount Pleasant, Thursday, 13 August
Light rain. High 76°, low 57°.
0
Mount Pleasant, Friday, 14 August
Overcast. High 74°, low 53°.
0Mount Pleasant, Saturday, 15 August
Overcast. High 71°, low 52°.
0.02Mount Pleasant, Sunday, 16 August
Light rain. High 67°, low 51°.
0
Mount Pleasant, Monday, 17 August
Mostly clear. High 77°, low 52°.
0
Mount Pleasant, Tuesday, 18 August
Clear. High 80°, low 58°.
0
Mount Pleasant, Wednesday, 19 August
Partly cloudy. High 82°, low 58°.
0Mount Pleasant, Thursday, 20 August
Mostly clear. High 88°, low 63°.
0Mount Pleasant, Friday, 21 August
Mostly clear. High 93°, low 72°.
0Mount Pleasant, Saturday, 22 August
Mostly clear. High 90°, low 63°.
0Mount Pleasant, Sunday, 23 August
Clear. High 93°, low 67°.
0.09Mount Pleasant, Monday, 24 August
Light rain. High 93°, low 73°.
0.09Mount Pleasant, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Mount Pleasant, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Mount Pleasant, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Mount Pleasant, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Mount Pleasant, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Mount Pleasant, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Mount Pleasant, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Mount Pleasant, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Mount Pleasant, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Mount Pleasant, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Mount Pleasant, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Mount Pleasant, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Mount Pleasant, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Mount Pleasant, 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 Mount Pleasant, 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 Mount Pleasant, 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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