Weather in Mount Aetna, MD
Mount Aetna, Sunday, 18 October, 14:44
Clear. Feels like 57°. High 60°, low 36°.
Monthly outlook for Mount Aetna, MD: average high 63.1°, average low 45.7°. That is 1.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 30 October (74.1°), the coolest 24 October (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 61.5° | 61.8° | -0.2° |
| 28 October – 6 November | 65.7° | 59.1° | +3.7° |
| 7 November – 16 November | at normal | 53.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (6 mi).
0Mount Aetna, Monday, 19 October
Clear. High 64°, low 41°.
0Mount Aetna, Tuesday, 20 October
Clear. High 65°, low 44°.
0Mount Aetna, Wednesday, 21 October
Clear. High 60°, low 40°.
0Mount Aetna, Thursday, 22 October
Clear. High 64°, low 41°.
0
Mount Aetna, Friday, 23 October
Mostly clear. High 55°, low 41°.
0Mount Aetna, Saturday, 24 October
Clear. High 57°, low 35°.
0Mount Aetna, Sunday, 25 October
Mostly clear. High 62°, low 38°.
0
Mount Aetna, Monday, 26 October
Partly cloudy. High 65°, low 50°.
0
Mount Aetna, Tuesday, 27 October
Overcast. High 63°, low 53°.
0Mount Aetna, Wednesday, 28 October
Overcast. High 64°, low 52°.
0.8
Mount Aetna, Thursday, 29 October
Rain. High 60°, low 53°.
0Mount Aetna, Friday, 30 October
Clear. High 74°, low 57°.
0.04Mount Aetna, Saturday, 31 October
Light rain. High 72°, low 58°.
0.09Mount Aetna, Sunday, 1 November
Light rain. High 67°, low 50°.
0Mount Aetna, Monday, 2 November
Overcast. High 57°, low 43°.
0.06Mount Aetna, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Mount Aetna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Mount Aetna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Mount Aetna, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Mount Aetna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Mount Aetna, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mount Aetna, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Mount 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.
0.17
Mount Aetna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Mount 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.
0.11Mount Aetna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Mount Aetna, Monday, 16 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, MD 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, MD 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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