Weather in Mount Vernon, MD
Mount Vernon, Tuesday, 13 October, 06:17
Clear. Feels like 55°. High 78°, low 55°.
Monthly outlook for Mount Vernon, MD: average high 69.5°, average low 54.1°. That is 2.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 16 October (81.4°), the coolest 18 October (43.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 71.2° | 66.6° | +2.6° |
| 23 October – 1 November | 66.5° | 63.6° | +1.6° |
| 2 November – 11 November | at normal | 60.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Princess Anne (5 mi).
0
Mount Vernon, Wednesday, 14 October
Clear. High 81°, low 67°.
0
Mount Vernon, Thursday, 15 October
Overcast. High 73°, low 62°.
0.39
Mount Vernon, Friday, 16 October
Rain. High 81°, low 60°.
0.02Mount Vernon, Saturday, 17 October
Light rain. High 60°, low 49°.
0Mount Vernon, Sunday, 18 October
Clear. High 59°, low 44°.
0Mount Vernon, Monday, 19 October
Overcast. High 65°, low 48°.
0Mount Vernon, Tuesday, 20 October
Light rain. High 71°, low 55°.
0Mount Vernon, Wednesday, 21 October
Clear. High 72°, low 55°.
0Mount Vernon, Thursday, 22 October
Clear. High 73°, low 55°.
0Mount Vernon, Friday, 23 October
Clear. High 71°, low 56°.
0Mount Vernon, Saturday, 24 October
Overcast. High 75°, low 60°.
0Mount Vernon, Sunday, 25 October
Overcast. High 71°, low 61°.
0.2Mount Vernon, Monday, 26 October
Light rain. High 60°, low 48°.
0Mount Vernon, Tuesday, 27 October
Overcast. High 58°, low 44°.
0Mount Vernon, Wednesday, 28 October
Clear. High 64°, low 47°.
0.22
Mount Vernon, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Mount Vernon, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Mount Vernon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12
Mount Vernon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Mount Vernon, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Mount Vernon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Mount Vernon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Wednesday, 11 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 Vernon, 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 Vernon, 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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