Weather in Altor, PA
Altor, Monday, 12 October, 13:06
Partly cloudy. Feels like 71°. High 71°, low 56°.
Monthly outlook for Altor, PA: average high 65.3°, average low 49.8°. That is 1.7° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 14 October (76.8°), the coolest 18 October (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 65.8° | 63.3° | +1.4° |
| 22 October – 31 October | 64.4° | 59.7° | +2.6° |
| 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°.
0
Altor, Wednesday, 14 October
Overcast. High 77°, low 64°.
0.05
Altor, Thursday, 15 October
Light rain. High 64°, low 53°.
0.54Altor, Friday, 16 October
Rain. High 72°, low 55°.
0Altor, Saturday, 17 October
Clear. High 51°, low 43°.
0Altor, Sunday, 18 October
Clear. High 54°, low 38°.
0Altor, Monday, 19 October
Clear. High 62°, low 40°.
0Altor, Tuesday, 20 October
Overcast. High 65°, low 50°.
0Altor, Wednesday, 21 October
Clear. High 67°, low 52°.
0Altor, Thursday, 22 October
Clear. High 59°, low 43°.
0Altor, Friday, 23 October
Overcast. High 62°, low 46°.
0Altor, Saturday, 24 October
Overcast. High 70°, low 56°.
0.01Altor, Sunday, 25 October
Light rain. High 72°, low 58°.
0.04Altor, Monday, 26 October
Light rain. High 61°, low 48°.
0Altor, Tuesday, 27 October
Overcast. High 61°, low 41°.
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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