Weather in Harmar Heights, PA
Harmar Heights, Wednesday, 14 October, 04:49
Mostly clear. Feels like 65°. High 79°, low 58°.
Monthly outlook for Harmar Heights, PA: average high 57.8°, average low 41.9°. That is 1.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 14 October (78.7°), the coolest 27 October (32.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 63° | 60.8° | +1.2° |
| 24 October – 2 November | 49.1° | 58° | -4.9° |
| 3 November – 12 November | at normal | 53.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arnold (3 mi).
0.04
Harmar Heights, Thursday, 15 October
Light rain. High 70°, low 51°.
0.11Harmar Heights, Friday, 16 October
Light rain. High 76°, low 53°.
0.01Harmar Heights, Saturday, 17 October
Light rain. High 51°, low 40°.
0
Harmar Heights, Sunday, 18 October
Clear. High 57°, low 36°.
0Harmar Heights, Monday, 19 October
Clear. High 65°, low 39°.
0
Harmar Heights, Tuesday, 20 October
Overcast. High 63°, low 50°.
0Harmar Heights, Wednesday, 21 October
Clear. High 66°, low 46°.
0Harmar Heights, Thursday, 22 October
Overcast. High 57°, low 44°.
0Harmar Heights, Friday, 23 October
Overcast. High 46°, low 36°.
0Harmar Heights, Saturday, 24 October
Clear. High 52°, low 35°.
0.11Harmar Heights, Sunday, 25 October
Light rain. High 50°, low 37°.
0.08Harmar Heights, Monday, 26 October
Light rain. High 45°, low 37°.
0
Harmar Heights, Tuesday, 27 October
Partly cloudy. High 50°, low 32°.
0Harmar Heights, Wednesday, 28 October
Overcast. High 47°, low 34°.
0Harmar Heights, Thursday, 29 October
Overcast. High 50°, low 42°.
0.13Harmar Heights, Friday, 30 October
Climate normal for this date — 60-year average.
0.12Harmar Heights, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11
Harmar Heights, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Harmar Heights, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Harmar Heights, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Harmar Heights, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Harmar 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.
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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