Weather in Mount Aetna, PA
Mount Aetna, Tuesday, 20 October, 19:21
Clear. Feels like 54°. High 68°, low 43°.
Monthly outlook for Mount Aetna, PA: average high 58°, average low 39.4°. That is 0.7° below the climate normal for October. Precipitation is expected on 2 days (about 2.2 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 20 October (68.3°), the coolest 31 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.8° | 59.9° | +0.5° |
| 30 October – 8 November | 53.4° | 56.9° | -2° |
| 9 November – 18 November | at normal | 51.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lebanon (9 mi).
0
Mount Aetna, Wednesday, 21 October
Clear. High 65°, low 39°.
0Mount Aetna, Thursday, 22 October
Clear. High 63°, low 35°.
0
Mount Aetna, Friday, 23 October
Mostly clear. High 57°, low 40°.
0Mount Aetna, Saturday, 24 October
Clear. High 55°, low 37°.
0Mount Aetna, Sunday, 25 October
Clear. High 59°, low 38°.
0Mount Aetna, Monday, 26 October
Clear. High 65°, low 40°.
0
Mount Aetna, Tuesday, 27 October
Overcast. High 67°, low 49°.
0.01
Mount Aetna, Wednesday, 28 October
Light rain. High 56°, low 46°.
0.58Mount Aetna, Thursday, 29 October
Rain. High 54°, low 42°.
0Mount Aetna, Friday, 30 October
Clear. High 47°, low 33°.
0Mount Aetna, Saturday, 31 October
Clear. High 49°, low 29°.
0Mount Aetna, Sunday, 1 November
Overcast. High 58°, low 36°.
1.57Mount Aetna, Monday, 2 November
Heavy rain. High 62°, low 55°.
0Mount Aetna, Tuesday, 3 November
Clear. High 56°, low 39°.
0Mount Aetna, Wednesday, 4 November
Mostly clear. High 47°, low 31°.
0.1
Mount Aetna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Mount Aetna, Friday, 6 November
Climate normal for this date — 60-year average.
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.
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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