Weather in Mount Oliver, PA
Mount Oliver, Saturday, 8 August, 20:47
Partly cloudy. Feels like 80°. High 85°, low 69°.
Monthly outlook for Mount Oliver, PA: average high 79.3°, average low 63°. That is 0.5° below the climate normal for August. Precipitation is expected on 8 days (about 1.8 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 10 August (87.7°), the coolest 15 August (54.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 80° | 80.6° | -0.3° |
| 18 August – 27 August | 78.2° | 79.8° | -0.9° |
| 28 August – 6 September | at normal | 78.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Pittsburgh (2 mi).
0.02
Mount Oliver, Sunday, 9 August
Light rain. High 85°, low 70°.
0.52Mount Oliver, Monday, 10 August
Rain. High 88°, low 66°.
0.37Mount Oliver, Tuesday, 11 August
Rain. High 85°, low 67°.
0.15Mount Oliver, Wednesday, 12 August
Light rain. High 74°, low 67°.
0.07Mount Oliver, Thursday, 13 August
Light rain. High 76°, low 65°.
0
Mount Oliver, Friday, 14 August
Clear. High 75°, low 60°.
0
Mount Oliver, Saturday, 15 August
Partly cloudy. High 74°, low 55°.
0Mount Oliver, Sunday, 16 August
Partly cloudy. High 77°, low 56°.
0
Mount Oliver, Monday, 17 August
Overcast. High 82°, low 60°.
0.24Mount Oliver, Tuesday, 18 August
Light rain. High 76°, low 66°.
0Mount Oliver, Wednesday, 19 August
Overcast. High 80°, low 60°.
0.1Mount Oliver, Thursday, 20 August
Light rain. High 80°, low 64°.
0.09Mount Oliver, Friday, 21 August
Light rain. High 79°, low 66°.
0.04Mount Oliver, Saturday, 22 August
Light rain. High 82°, low 61°.
0Mount Oliver, Sunday, 23 August
Clear. High 72°, low 55°.
0.05Mount Oliver, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Mount Oliver, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Mount Oliver, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Mount Oliver, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Mount Oliver, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Mount Oliver, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Mount Oliver, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Mount Oliver, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Mount Oliver, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Mount Oliver, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Mount Oliver, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Mount Oliver, Friday, 4 September
Climate normal for this date — 60-year average.
0.12Mount Oliver, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Mount Oliver, 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 Mount Oliver, 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 Oliver, 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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