Weather in Mount Aetna, MD
Mount Aetna, Wednesday, 11 November, 18:27
Overcast. Feels like 58°. High 66°, low 40°.
Monthly outlook for Mount Aetna, MD: average high 53.5°, average low 35.7°. That is 1.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 11 November (66.2°), the coolest 26 November (26.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 54.1° | 52.1° | +1.1° |
| 21 November – 30 November | 52.5° | 49.2° | +1.8° |
| 1 December – 10 December | at normal | 45° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (6 mi).
0.09
Mount Aetna, Thursday, 12 November
Light rain. High 60°, low 41°.
0Mount Aetna, Friday, 13 November
Overcast. High 50°, low 36°.
0
Mount Aetna, Saturday, 14 November
Partly cloudy. High 48°, low 32°.
0
Mount Aetna, Sunday, 15 November
Mostly clear. High 48°, low 37°.
0Mount Aetna, Monday, 16 November
Overcast. High 49°, low 38°.
0
Mount Aetna, Tuesday, 17 November
Clear. High 51°, low 33°.
0Mount Aetna, Wednesday, 18 November
Clear. High 54°, low 32°.
0Mount Aetna, Thursday, 19 November
Partly cloudy. High 57°, low 33°.
0Mount Aetna, Friday, 20 November
Overcast. High 56°, low 36°.
0Mount Aetna, Saturday, 21 November
Mostly clear. High 58°, low 37°.
0Mount Aetna, Sunday, 22 November
Overcast. High 62°, low 39°.
0.28Mount Aetna, Monday, 23 November
Rain. High 54°, low 42°.
0.02Mount Aetna, Tuesday, 24 November
Light rain. High 53°, low 39°.
0Mount Aetna, Wednesday, 25 November
Clear. High 44°, low 30°.
0Mount Aetna, Thursday, 26 November
Clear. High 44°, low 26°.
0.11
Mount Aetna, Friday, 27 November
Climate normal for this date — 60-year average.
0.21Mount Aetna, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Mount Aetna, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Mount Aetna, Monday, 30 November
Climate normal for this date — 60-year average.
0.16Mount Aetna, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Mount Aetna, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Mount Aetna, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Mount Aetna, Friday, 4 December
Climate normal for this date — 60-year average.
0.12Mount Aetna, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Mount Aetna, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Mount Aetna, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Mount Aetna, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.16Mount Aetna, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Mount Aetna, Thursday, 10 December
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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