Weather in Harmar Heights, PA
Harmar Heights, Saturday, 17 October, 12:21
Overcast. Feels like 47°. High 50°, low 38°.
Monthly outlook for Harmar Heights, PA: average high 63.5°, average low 44.2°. That is 2.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 31 October (71.7°), the coolest 18 October (32.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.8° | 59.5° | +1.3° |
| 27 October – 5 November | 66.4° | 57° | +5.2° |
| 6 November – 15 November | at normal | 51.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arnold (3 mi).
0
Harmar Heights, Sunday, 18 October
Clear. High 61°, low 32°.
0Harmar Heights, Monday, 19 October
Clear. High 65°, low 38°.
0Harmar Heights, Tuesday, 20 October
Clear. High 64°, low 42°.
0Harmar Heights, Wednesday, 21 October
Clear. High 63°, low 38°.
0Harmar Heights, Thursday, 22 October
Clear. High 63°, low 38°.
0Harmar Heights, Friday, 23 October
Clear. High 62°, low 43°.
0
Harmar Heights, Saturday, 24 October
Mostly clear. High 63°, low 40°.
0Harmar Heights, Sunday, 25 October
Overcast. High 63°, low 43°.
0Harmar Heights, Monday, 26 October
Overcast. High 64°, low 49°.
0Harmar Heights, Tuesday, 27 October
Overcast. High 64°, low 45°.
0Harmar Heights, Wednesday, 28 October
Overcast. High 68°, low 53°.
0.11
Harmar Heights, Thursday, 29 October
Light rain. High 60°, low 54°.
0Harmar Heights, Friday, 30 October
Overcast. High 70°, low 50°.
0.07Harmar Heights, Saturday, 31 October
Light rain. High 72°, low 57°.
0Harmar Heights, Sunday, 1 November
Overcast. High 64°, low 49°.
0.14
Harmar 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.
0.12
Harmar 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.
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.
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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