Weather in Harmar Heights, PA
Harmar Heights, Saturday, 8 August, 18:17
Partly cloudy. Feels like 90°. High 83°, low 68°.
Monthly outlook for Harmar Heights, PA: average high 78.3°, average low 60.7°. That is 1.1° below the climate normal for August. Precipitation is expected on 9 days (about 2.0 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 10 August (86.8°), the coolest 15 August (51.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.2° | 80.6° | -0.8° |
| 18 August – 27 August | 76.9° | 79.8° | -1.7° |
| 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 (12 mi).
0
Harmar Heights, Sunday, 9 August
Light rain. High 84°, low 67°.
0.56Harmar Heights, Monday, 10 August
Heavy rain. High 87°, low 66°.
0.37Harmar Heights, Tuesday, 11 August
Rain. High 83°, low 65°.
0.15Harmar Heights, Wednesday, 12 August
Light rain. High 73°, low 66°.
0.07Harmar Heights, Thursday, 13 August
Light rain. High 76°, low 63°.
0
Harmar Heights, Friday, 14 August
Clear. High 74°, low 56°.
0Harmar Heights, Saturday, 15 August
Partly cloudy. High 74°, low 52°.
0
Harmar Heights, Sunday, 16 August
Overcast. High 77°, low 53°.
0Harmar Heights, Monday, 17 August
Overcast. High 81°, low 56°.
0.24Harmar Heights, Tuesday, 18 August
Light rain. High 76°, low 64°.
0Harmar Heights, Wednesday, 19 August
Overcast. High 79°, low 58°.
0.25Harmar Heights, Thursday, 20 August
Rain. High 78°, low 62°.
0.13Harmar Heights, Friday, 21 August
Light rain. High 77°, low 64°.
0.05Harmar Heights, Saturday, 22 August
Light rain. High 81°, low 59°.
0Harmar Heights, Sunday, 23 August
Clear. High 71°, low 52°.
0.05Harmar Heights, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Harmar Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Harmar Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Harmar Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Harmar Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Harmar Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Harmar Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Harmar Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Harmar Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Harmar Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Harmar Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Harmar Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.12Harmar Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14Harmar Heights, 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 Harmar Heights, 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 Harmar Heights, 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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