Weather in Altor, PA
Altor, Monday, 12 October, 03:28
Overcast. Feels like 55°. High 72°, low 54°.
Monthly outlook for Altor, PA: average high 61.9°, average low 47.1°. That is 0.2° below the climate normal for October. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 14 October (77°), the coolest 18 October (31.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 66.2° | 63.3° | +1.6° |
| 22 October – 31 October | 54.7° | 59.7° | -2.8° |
| 1 November – 10 November | at normal | 56.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Chester (3 mi).
0
Altor, Tuesday, 13 October
Clear. High 76°, low 54°.
0Altor, Wednesday, 14 October
Overcast. High 77°, low 65°.
0.02
Altor, Thursday, 15 October
Light rain. High 66°, low 55°.
0.25Altor, Friday, 16 October
Light rain. High 76°, low 54°.
0Altor, Saturday, 17 October
Clear. High 51°, low 35°.
0
Altor, Sunday, 18 October
Mostly clear. High 51°, low 32°.
0Altor, Monday, 19 October
Clear. High 60°, low 39°.
0Altor, Tuesday, 20 October
Overcast. High 66°, low 47°.
0Altor, Wednesday, 21 October
Overcast. High 67°, low 50°.
0Altor, Thursday, 22 October
Mostly clear. High 67°, low 51°.
1.39Altor, Friday, 23 October
Heavy rain. High 61°, low 47°.
0Altor, Saturday, 24 October
Mostly clear. High 53°, low 45°.
0Altor, Sunday, 25 October
Overcast. High 49°, low 42°.
0.04Altor, Monday, 26 October
Light rain. High 47°, low 43°.
0
Altor, Tuesday, 27 October
Partly cloudy. High 50°, low 42°.
0.13Altor, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.25Altor, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Altor, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Altor, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Altor, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Altor, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Altor, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Altor, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Altor, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Altor, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Altor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Altor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Altor, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Altor, Tuesday, 10 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 Altor, 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 Altor, 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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