Weather in West Mifflin, PA
West Mifflin, Saturday, 8 August, 21:56
Partly cloudy. Feels like 77°. High 84°, low 68°.
Monthly outlook for West Mifflin, PA: average high 79.5°, average low 61°. That is 0.4° below the climate normal for August. Precipitation is expected on 6 days (about 2.8 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 10 August (85.8°), the coolest 22 August (52.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.9° | 80.6° | -0.4° |
| 18 August – 27 August | 78.7° | 79.8° | -0.6° |
| 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 (7 mi).
0.02
West Mifflin, Sunday, 9 August
Light rain. High 84°, low 69°.
1.78West Mifflin, Monday, 10 August
Heavy rain. High 86°, low 65°.
0.11West Mifflin, Tuesday, 11 August
Rain. High 81°, low 65°.
0.09West Mifflin, Wednesday, 12 August
Light rain. High 79°, low 66°.
0West Mifflin, Thursday, 13 August
Light rain. High 75°, low 61°.
0
West Mifflin, Friday, 14 August
Clear. High 77°, low 56°.
0
West Mifflin, Saturday, 15 August
Partly cloudy. High 77°, low 56°.
0West Mifflin, Sunday, 16 August
Partly cloudy. High 80°, low 56°.
0.03West Mifflin, Monday, 17 August
Light rain. High 76°, low 61°.
0West Mifflin, Tuesday, 18 August
Clear. High 83°, low 60°.
0.47West Mifflin, Wednesday, 19 August
Rain. High 84°, low 65°.
0.07West Mifflin, Thursday, 20 August
Light rain. High 69°, low 59°.
0West Mifflin, Friday, 21 August
Clear. High 75°, low 54°.
0.02West Mifflin, Saturday, 22 August
Light rain. High 78°, low 52°.
0.02West Mifflin, Sunday, 23 August
Light rain. High 84°, low 64°.
0.05West Mifflin, Monday, 24 August
Climate normal for this date — 60-year average.
0.09West Mifflin, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09West Mifflin, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
West Mifflin, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19West Mifflin, Friday, 28 August
Climate normal for this date — 60-year average.
0.12West Mifflin, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14West Mifflin, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16West Mifflin, Monday, 31 August
Climate normal for this date — 60-year average.
0.11West Mifflin, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13West Mifflin, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1West Mifflin, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09West Mifflin, Friday, 4 September
Climate normal for this date — 60-year average.
0.12West Mifflin, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14West Mifflin, 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 West Mifflin, 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 Mifflin, 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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