Weather in Harmar Heights, PA
Harmar Heights, Monday, 19 October, 21:34
Clear. Feels like 44°. High 68°, low 33°.
Monthly outlook for Harmar Heights, PA: average high 58.3°, average low 37.7°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 20 October (69.8°), the coolest 30 October (29.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 61.3° | 59.1° | +1.3° |
| 29 October – 7 November | 53.2° | 56.2° | -1.7° |
| 8 November – 17 November | at normal | 50.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arnold (3 mi).
0
Harmar Heights, Tuesday, 20 October
Partly cloudy. High 70°, low 37°.
0
Harmar Heights, Wednesday, 21 October
Clear. High 67°, low 34°.
0.01
Harmar Heights, Thursday, 22 October
Light rain. High 64°, low 39°.
0Harmar Heights, Friday, 23 October
Clear. High 54°, low 37°.
0Harmar Heights, Saturday, 24 October
Clear. High 58°, low 34°.
0
Harmar Heights, Sunday, 25 October
Mostly clear. High 64°, low 34°.
0.02Harmar Heights, Monday, 26 October
Light rain. High 62°, low 51°.
0.07Harmar Heights, Tuesday, 27 October
Light rain. High 64°, low 46°.
0.14
Harmar Heights, Wednesday, 28 October
Snow. High 42°, low 33°.
0Harmar Heights, Thursday, 29 October
Clear. High 46°, low 30°.
0Harmar Heights, Friday, 30 October
Clear. High 49°, low 29°.
0
Harmar Heights, Saturday, 31 October
Overcast. High 55°, low 33°.
0Harmar Heights, Sunday, 1 November
Overcast. High 61°, low 39°.
0.2Harmar Heights, Monday, 2 November
Light rain. High 52°, low 45°.
0.42Harmar Heights, Tuesday, 3 November
Rain. High 56°, low 49°.
0.12Harmar Heights, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11
Harmar Heights, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Harmar Heights, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Harmar Heights, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Harmar Heights, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Harmar Heights, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Harmar Heights, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.17Harmar Heights, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Harmar Heights, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Harmar Heights, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Harmar Heights, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Harmar Heights, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Harmar Heights, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Harmar Heights, Tuesday, 17 November
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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