Weather in Harmar, PA
Harmar, Wednesday, 7 October, 23:36
Mostly clear. Feels like 59°. High 73°, low 41°.
Monthly outlook for Harmar, PA: average high 66.7°, average low 47.5°. That is 2.2° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 16 October (80.9°), the coolest 22 October (36°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 68.7° | 64.4° | +2.4° |
| 17 October – 26 October | 63.4° | 59.5° | +2.1° |
| 27 October – 5 November | at normal | 57° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arnold (4 mi).
0
Harmar, Thursday, 8 October
Clear. High 70°, low 46°.
0Harmar, Friday, 9 October
Clear. High 69°, low 41°.
0
Harmar, Saturday, 10 October
Overcast. High 73°, low 49°.
0.47
Harmar, Sunday, 11 October
Rain. High 60°, low 56°.
0.09Harmar, Monday, 12 October
Light rain. High 66°, low 58°.
0.21Harmar, Tuesday, 13 October
Light rain. High 68°, low 47°.
0Harmar, Wednesday, 14 October
Clear. High 58°, low 41°.
0
Harmar, Thursday, 15 October
Partly cloudy. High 70°, low 43°.
0Harmar, Friday, 16 October
Clear. High 81°, low 59°.
0Harmar, Saturday, 17 October
Clear. High 80°, low 64°.
0Harmar, Sunday, 18 October
Overcast. High 67°, low 52°.
0
Harmar, Monday, 19 October
Mostly clear. High 58°, low 45°.
0Harmar, Tuesday, 20 October
Clear. High 60°, low 41°.
0Harmar, Wednesday, 21 October
Mostly clear. High 55°, low 40°.
0.02Harmar, Thursday, 22 October
Light rain. High 58°, low 36°.
0.11Harmar, Friday, 23 October
Climate normal for this date — 60-year average.
0.12
Harmar, Saturday, 24 October
Climate normal for this date — 60-year average.
0.14Harmar, Sunday, 25 October
Climate normal for this date — 60-year average.
0.1Harmar, Monday, 26 October
Climate normal for this date — 60-year average.
0.12Harmar, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Harmar, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.17Harmar, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13Harmar, Friday, 30 October
Climate normal for this date — 60-year average.
0.12Harmar, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Harmar, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Harmar, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Harmar, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Harmar, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Harmar, Thursday, 5 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, 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, 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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