Weather in Mount Allen, PA
Mount Allen, Sunday, 18 October, 06:02
Clear. Feels like 35°. High 59°, low 35°.
Monthly outlook for Mount Allen, PA: average high 63.6°, average low 46°. That is 2° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 1 November (75.5°), the coolest 18 October (34.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 60.8° | 60.8° | -0° |
| 28 October – 6 November | 68.4° | 57.9° | +5.9° |
| 7 November – 16 November | at normal | 52.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Messiah College (2 mi).
0
Mount Allen, Monday, 19 October
Clear. High 67°, low 41°.
0Mount Allen, Tuesday, 20 October
Clear. High 65°, low 46°.
0Mount Allen, Wednesday, 21 October
Clear. High 60°, low 42°.
0Mount Allen, Thursday, 22 October
Clear. High 64°, low 38°.
0Mount Allen, Friday, 23 October
Clear. High 54°, low 41°.
0Mount Allen, Saturday, 24 October
Clear. High 59°, low 38°.
0
Mount Allen, Sunday, 25 October
Overcast. High 60°, low 42°.
0Mount Allen, Monday, 26 October
Clear. High 57°, low 44°.
0Mount Allen, Tuesday, 27 October
Overcast. High 62°, low 40°.
0Mount Allen, Wednesday, 28 October
Overcast. High 61°, low 45°.
0.89
Mount Allen, Thursday, 29 October
Heavy rain. High 63°, low 52°.
0.09Mount Allen, Friday, 30 October
Light rain. High 69°, low 58°.
0Mount Allen, Saturday, 31 October
Overcast. High 69°, low 55°.
0
Mount Allen, Sunday, 1 November
Mostly clear. High 75°, low 57°.
0Mount Allen, Monday, 2 November
Clear. High 74°, low 60°.
0.07
Mount Allen, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Mount Allen, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Mount Allen, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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