Weather in Lower Allen, PA
Lower Allen, Wednesday, 4 November, 17:57
Overcast. Feels like 64°. High 74°, low 49°.
Monthly outlook for Lower Allen, PA: average high 54.6°, average low 39.8°. That is 0.8° above the climate normal for November. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 5 November (76.5°), the coolest 14 November (28.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 60.1° | 54.5° | +3.1° |
| 14 November – 23 November | 45.5° | 50.2° | -2.6° |
| 24 November – 3 December | at normal | 47.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Shiremanstown (2 mi).
0.36
Lower Allen, Thursday, 5 November
Rain. High 76°, low 58°.
0
Lower Allen, Friday, 6 November
Mostly clear. High 69°, low 52°.
0Lower Allen, Saturday, 7 November
Mostly clear. High 56°, low 46°.
0Lower Allen, Sunday, 8 November
Overcast. High 57°, low 49°.
0
Lower Allen, Monday, 9 November
Partly cloudy. High 56°, low 45°.
0Lower Allen, Tuesday, 10 November
Overcast. High 59°, low 38°.
0
Lower Allen, Wednesday, 11 November
Clear. High 60°, low 42°.
0Lower Allen, Thursday, 12 November
Overcast. High 48°, low 37°.
0Lower Allen, Friday, 13 November
Clear. High 44°, low 31°.
0Lower Allen, Saturday, 14 November
Mostly clear. High 46°, low 29°.
0.14
Lower Allen, Sunday, 15 November
Snow. High 42°, low 32°.
0Lower Allen, Monday, 16 November
Light rain. High 44°, low 30°.
0Lower Allen, Tuesday, 17 November
Overcast. High 42°, low 33°.
0Lower Allen, Wednesday, 18 November
Clear. High 47°, low 32°.
0Lower Allen, Thursday, 19 November
Mostly clear. High 52°, low 33°.
0.08Lower Allen, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Lower Allen, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11
Lower Allen, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Lower Allen, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Lower Allen, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.11Lower Allen, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.16Lower Allen, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12Lower Allen, Friday, 27 November
Climate normal for this date — 60-year average.
0.24Lower Allen, Saturday, 28 November
Climate normal for this date — 60-year average.
0.12Lower Allen, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Lower Allen, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Lower Allen, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Lower Allen, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Lower Allen, Thursday, 3 December
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 Lower 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 Lower 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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