Weather in Mount Aetna, PA
Mount Aetna, Thursday, 22 October, 01:24
Clear. Feels like 43°. High 66°, low 40°.
Monthly outlook for Mount Aetna, PA: average high 57.7°, average low 39.8°. That is 0.4° below the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 22 October (65.9°), the coolest 3 November (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 61.2° | 59.2° | +1.1° |
| 1 November – 10 November | 51.9° | 56.2° | -2.4° |
| 11 November – 20 November | at normal | 50.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lebanon (9 mi).
0
Mount Aetna, Friday, 23 October
Clear. High 61°, low 41°.
0
Mount Aetna, Saturday, 24 October
Partly cloudy. High 57°, low 37°.
0Mount Aetna, Sunday, 25 October
Clear. High 58°, low 38°.
0Mount Aetna, Monday, 26 October
Clear. High 64°, low 39°.
0
Mount Aetna, Tuesday, 27 October
Mostly clear. High 64°, low 44°.
0
Mount Aetna, Wednesday, 28 October
Overcast. High 65°, low 46°.
0Mount Aetna, Thursday, 29 October
Partly cloudy. High 58°, low 42°.
0Mount Aetna, Friday, 30 October
Clear. High 59°, low 38°.
0Mount Aetna, Saturday, 31 October
Clear. High 61°, low 39°.
0Mount Aetna, Sunday, 1 November
Clear. High 60°, low 39°.
0.13
Mount Aetna, Monday, 2 November
Light rain. High 51°, low 44°.
0Mount Aetna, Tuesday, 3 November
Mostly clear. High 48°, low 35°.
0Mount Aetna, Wednesday, 4 November
Clear. High 50°, low 35°.
0.29Mount Aetna, Thursday, 5 November
Rain. High 52°, low 40°.
0Mount Aetna, Friday, 6 November
Overcast. High 50°, low 41°.
0.06Mount Aetna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Mount Aetna, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Mount Aetna, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Mount Aetna, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Mount Aetna, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Mount Aetna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Mount Aetna, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Mount Aetna, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Mount Aetna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.16Mount Aetna, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Mount Aetna, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Mount Aetna, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Mount Aetna, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Mount Aetna, Friday, 20 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 Aetna, 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 Aetna, 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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