Weather in Casselman, MD
Casselman, Sunday, 18 October, 09:01
Clear. Feels like 37°. High 55°, low 30°.
Monthly outlook for Casselman, MD: average high 59.2°, average low 42.2°. That is 2.3° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 1 November (66.1°), the coolest 18 October (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 57.5° | 55.6° | +1.1° |
| 28 October – 6 November | 62° | 53° | +5° |
| 7 November – 16 November | at normal | 48.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Addison (9 mi).
0Casselman, Monday, 19 October
Clear. High 60°, low 33°.
0Casselman, Tuesday, 20 October
Clear. High 64°, low 37°.
0Casselman, Wednesday, 21 October
Clear. High 63°, low 36°.
0Casselman, Thursday, 22 October
Clear. High 60°, low 39°.
0
Casselman, Friday, 23 October
Mostly clear. High 54°, low 39°.
0
Casselman, Saturday, 24 October
Overcast. High 55°, low 36°.
0Casselman, Sunday, 25 October
Overcast. High 63°, low 38°.
0Casselman, Monday, 26 October
Clear. High 52°, low 38°.
0Casselman, Tuesday, 27 October
Overcast. High 49°, low 38°.
0.05
Casselman, Wednesday, 28 October
Light rain. High 62°, low 45°.
0.48Casselman, Thursday, 29 October
Rain. High 57°, low 50°.
0.09Casselman, Friday, 30 October
Light rain. High 57°, low 53°.
0.02Casselman, Saturday, 31 October
Light rain. High 65°, low 53°.
0.02Casselman, Sunday, 1 November
Light rain. High 66°, low 58°.
0Casselman, Monday, 2 November
Overcast. High 64°, low 53°.
0.09
Casselman, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12
Casselman, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Casselman, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Casselman, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Casselman, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Casselman, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Casselman, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Casselman, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Casselman, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.18Casselman, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Casselman, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Casselman, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Casselman, Sunday, 15 November
Climate normal for this date — 60-year average.
0.16Casselman, 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 Casselman, 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 Casselman, 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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