Weather in Glen Arm, MD
Glen Arm, Wednesday, 11 November, 21:07
Overcast. Feels like 51°. High 66°, low 39°.
Monthly outlook for Glen Arm, MD: average high 56.8°, average low 40.8°. That is 2.8° above the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 25 November (66.8°), the coolest 14 November (34.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 54.7° | 52.6° | +1.1° |
| 21 November – 30 November | 60.4° | 50° | +5.8° |
| 1 December – 10 December | at normal | 46° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Parkville (6 mi).
0.06
Glen Arm, Thursday, 12 November
Rain. High 62°, low 41°.
0.02Glen Arm, Friday, 13 November
Light rain. High 47°, low 37°.
0.04Glen Arm, Saturday, 14 November
Light rain. High 46°, low 34°.
0Glen Arm, Sunday, 15 November
Overcast. High 49°, low 38°.
0
Glen Arm, Monday, 16 November
Mostly clear. High 50°, low 37°.
0
Glen Arm, Tuesday, 17 November
Clear. High 54°, low 36°.
0Glen Arm, Wednesday, 18 November
Clear. High 56°, low 36°.
0Glen Arm, Thursday, 19 November
Clear. High 59°, low 39°.
0Glen Arm, Friday, 20 November
Clear. High 59°, low 40°.
0Glen Arm, Saturday, 21 November
Overcast. High 61°, low 43°.
0
Glen Arm, Sunday, 22 November
Partly cloudy. High 60°, low 45°.
0Glen Arm, Monday, 23 November
Overcast. High 62°, low 47°.
0.03Glen Arm, Tuesday, 24 November
Light rain. High 62°, low 49°.
0.33Glen Arm, Wednesday, 25 November
Rain. High 67°, low 53°.
0Glen Arm, Thursday, 26 November
Clear. High 52°, low 40°.
0.09
Glen Arm, Friday, 27 November
Climate normal for this date — 60-year average.
0.18Glen Arm, Saturday, 28 November
Climate normal for this date — 60-year average.
0.14Glen Arm, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Glen Arm, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Glen Arm, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Glen Arm, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.1Glen Arm, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Glen Arm, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Glen Arm, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Glen Arm, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Glen Arm, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Glen Arm, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.2Glen Arm, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Glen Arm, 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 Glen Arm, 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 Glen Arm, 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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