Weather in Mount Calvert, MD
Mount Calvert, Sunday, 11 October, 10:01
Overcast. Feels like 66°. High 72°, low 61°.
Monthly outlook for Mount Calvert, MD: average high 66.6°, average low 49.7°. That is 0.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (83.5°), the coolest 18 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 69.2° | 66.4° | +1.6° |
| 21 October – 30 October | 62.3° | 62.8° | -0.3° |
| 31 October – 9 November | at normal | 60° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — District Heights (11 mi).
0.34
Mount Calvert, Monday, 12 October
Heavy rain. High 79°, low 61°.
0
Mount Calvert, Tuesday, 13 October
Clear. High 80°, low 58°.
0
Mount Calvert, Wednesday, 14 October
Mostly clear. High 83°, low 64°.
0Mount Calvert, Thursday, 15 October
Light rain. High 71°, low 64°.
0.14Mount Calvert, Friday, 16 October
Light rain. High 83°, low 58°.
0Mount Calvert, Saturday, 17 October
Clear. High 55°, low 39°.
0Mount Calvert, Sunday, 18 October
Clear. High 49°, low 35°.
0Mount Calvert, Monday, 19 October
Overcast. High 56°, low 35°.
0Mount Calvert, Tuesday, 20 October
Mostly clear. High 64°, low 39°.
0Mount Calvert, Wednesday, 21 October
Clear. High 63°, low 46°.
0Mount Calvert, Thursday, 22 October
Clear. High 63°, low 47°.
0Mount Calvert, Friday, 23 October
Mostly clear. High 61°, low 47°.
0Mount Calvert, Saturday, 24 October
Overcast. High 60°, low 49°.
0Mount Calvert, Sunday, 25 October
Clear. High 62°, low 48°.
0.05Mount Calvert, Monday, 26 October
Light rain. High 66°, low 44°.
0.15
Mount Calvert, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.1Mount Calvert, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.24Mount Calvert, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Mount Calvert, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Mount Calvert, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Mount Calvert, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Mount Calvert, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Mount Calvert, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Mount Calvert, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Mount Calvert, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Mount Calvert, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Mount Calvert, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Mount Calvert, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mount Calvert, Monday, 9 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 Calvert, 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 Calvert, 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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