Weather in Mount Allen, PA
Mount Allen, Friday, 23 October, 16:18
Clear. Feels like 59°. High 61°, low 43°.
Monthly outlook for Mount Allen, PA: average high 62.8°, average low 48.4°. That is 2.5° above the climate normal for October. Precipitation is expected on 4 days (about 2.1 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 30 October (70.4°), the coolest 25 October (35.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 62.7° | 59.2° | +1.9° |
| 2 November – 11 November | 63° | 55.7° | +4° |
| 12 November – 21 November | at normal | 50.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Messiah College (2 mi).
0Mount Allen, Saturday, 24 October
Clear. High 62°, low 37°.
0Mount Allen, Sunday, 25 October
Clear. High 60°, low 36°.
0Mount Allen, Monday, 26 October
Clear. High 68°, low 38°.
0
Mount Allen, Tuesday, 27 October
Mostly clear. High 59°, low 46°.
0
Mount Allen, Wednesday, 28 October
Overcast. High 58°, low 40°.
0Mount Allen, Thursday, 29 October
Overcast. High 65°, low 48°.
0Mount Allen, Friday, 30 October
Mostly clear. High 70°, low 49°.
0Mount Allen, Saturday, 31 October
Overcast. High 64°, low 54°.
1.29
Mount Allen, Sunday, 1 November
Rain. High 61°, low 55°.
0.01Mount Allen, Monday, 2 November
Light rain. High 67°, low 58°.
0Mount Allen, Tuesday, 3 November
Overcast. High 66°, low 57°.
0.57Mount Allen, Wednesday, 4 November
Rain. High 59°, low 54°.
0.23Mount Allen, Thursday, 5 November
Rain. High 59°, low 55°.
0.04Mount Allen, Friday, 6 November
Light rain. High 61°, low 55°.
0Mount Allen, Saturday, 7 November
Overcast. High 66°, low 50°.
0.16
Mount 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.
0.08Mount Allen, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Mount Allen, Saturday, 21 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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