Weather in Mount Allen, PA
Mount Allen, Wednesday, 21 October, 21:45
Clear. Feels like 43°. High 65°, low 42°.
Monthly outlook for Mount Allen, PA: average high 59.5°, average low 40.9°. That is 0.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 28 October (66.3°), the coolest 25 October (34.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 62.1° | 59.8° | +1.3° |
| 31 October – 9 November | 55° | 56.8° | -1° |
| 10 November – 19 November | at normal | 51.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Messiah College (2 mi).
0
Mount Allen, Thursday, 22 October
Clear. High 66°, low 40°.
0Mount Allen, Friday, 23 October
Clear. High 61°, low 42°.
0Mount Allen, Saturday, 24 October
Clear. High 58°, low 36°.
0Mount Allen, Sunday, 25 October
Clear. High 59°, low 34°.
0Mount Allen, Monday, 26 October
Clear. High 64°, low 37°.
0
Mount Allen, Tuesday, 27 October
Mostly clear. High 64°, low 45°.
0
Mount Allen, Wednesday, 28 October
Overcast. High 66°, low 48°.
0.01
Mount Allen, Thursday, 29 October
Light rain. High 58°, low 44°.
0Mount Allen, Friday, 30 October
Clear. High 59°, low 39°.
0Mount Allen, Saturday, 31 October
Clear. High 61°, low 40°.
0Mount Allen, Sunday, 1 November
Mostly clear. High 62°, low 41°.
0.09Mount Allen, Monday, 2 November
Light rain. High 53°, low 47°.
0
Mount Allen, Tuesday, 3 November
Partly cloudy. High 48°, low 37°.
0Mount Allen, Wednesday, 4 November
Clear. High 52°, low 35°.
0.11Mount Allen, Thursday, 5 November
Light rain. High 53°, low 47°.
0.06Mount Allen, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Mount Allen, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16Mount Allen, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Mount Allen, Monday, 9 November
Climate normal for this date — 60-year average.
0.17
Mount Allen, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Mount Allen, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Mount Allen, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Mount Allen, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Mount Allen, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Mount Allen, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Mount Allen, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Mount Allen, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Mount Allen, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Mount Allen, Thursday, 19 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 Mount Allen, 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 Mount Allen, 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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