Weather in Hershey Mill, PA
Hershey Mill, Friday, 9 October, 15:04
Overcast. Feels like 70°. High 71°, low 44°.
Monthly outlook for Hershey Mill, PA: average high 63.3°, average low 46.8°. That is 0.1° below the climate normal for October. Precipitation is expected on 7 days (about 3.3 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 13 October (76.9°), the coolest 19 October (35.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 65.7° | 64.5° | +0.7° |
| 19 October – 28 October | 59.2° | 60.8° | -0.9° |
| 29 October – 7 November | at normal | 57.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Chester (4 mi).
0Hershey Mill, Saturday, 10 October
Overcast. High 70°, low 46°.
1.78
Hershey Mill, Sunday, 11 October
Heavy rain. High 62°, low 49°.
0.32Hershey Mill, Monday, 12 October
Heavy rain. High 71°, low 59°.
0.14Hershey Mill, Tuesday, 13 October
Light rain. High 77°, low 59°.
0.02Hershey Mill, Wednesday, 14 October
Light rain. High 67°, low 54°.
0
Hershey Mill, Thursday, 15 October
Clear. High 60°, low 45°.
0.14Hershey Mill, Friday, 16 October
Light rain. High 68°, low 48°.
0.06Hershey Mill, Saturday, 17 October
Light rain. High 61°, low 44°.
0Hershey Mill, Sunday, 18 October
Clear. High 50°, low 38°.
0
Hershey Mill, Monday, 19 October
Mostly clear. High 53°, low 35°.
0Hershey Mill, Tuesday, 20 October
Clear. High 58°, low 41°.
0Hershey Mill, Wednesday, 21 October
Clear. High 61°, low 43°.
0Hershey Mill, Thursday, 22 October
Overcast. High 61°, low 46°.
0.06Hershey Mill, Friday, 23 October
Light rain. High 62°, low 53°.
0.82Hershey Mill, Saturday, 24 October
Rain. High 60°, low 43°.
0.13
Hershey Mill, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11
Hershey Mill, Monday, 26 October
Climate normal for this date — 60-year average.
0.2Hershey Mill, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Hershey Mill, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.25Hershey Mill, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Hershey Mill, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Hershey Mill, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Hershey Mill, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Hershey Mill, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Hershey Mill, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Hershey Mill, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Hershey Mill, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Hershey Mill, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Hershey Mill, Saturday, 7 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 Hershey Mill, 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 Hershey Mill, 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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