Weather in Mount Vernon, TN
Mount Vernon, Friday, 13 November, 09:25
Overcast. Feels like 34°. High 44°, low 37°.
Monthly outlook for Mount Vernon, TN: average high 51.4°, average low 34.4°. That is 2.1° below the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 2.4 inches. The warmest day looks like 21 November (66.8°), the coolest 25 November (18.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 55.5° | 56° | -0.3° |
| 23 November – 2 December | 44.7° | 53° | -4.7° |
| 3 December – 12 December | at normal | 49° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Portland (10 mi).
0
Mount Vernon, Saturday, 14 November
Clear. High 47°, low 32°.
0
Mount Vernon, Sunday, 15 November
Partly cloudy. High 51°, low 31°.
0Mount Vernon, Monday, 16 November
Clear. High 51°, low 33°.
0Mount Vernon, Tuesday, 17 November
Clear. High 57°, low 34°.
0Mount Vernon, Wednesday, 18 November
Clear. High 59°, low 37°.
0Mount Vernon, Thursday, 19 November
Overcast. High 58°, low 44°.
0Mount Vernon, Friday, 20 November
Clear. High 66°, low 47°.
0
Mount Vernon, Saturday, 21 November
Mostly clear. High 67°, low 49°.
0.56
Mount Vernon, Sunday, 22 November
Rain. High 56°, low 50°.
0.2Mount Vernon, Monday, 23 November
Light rain. High 58°, low 47°.
0Mount Vernon, Tuesday, 24 November
Partly cloudy. High 43°, low 22°.
0Mount Vernon, Wednesday, 25 November
Partly cloudy. High 34°, low 19°.
0Mount Vernon, Thursday, 26 November
Clear. High 38°, low 19°.
0Mount Vernon, Friday, 27 November
Mostly clear. High 45°, low 23°.
0Mount Vernon, Saturday, 28 November
Clear. High 49°, low 28°.
0.11
Mount Vernon, Sunday, 29 November
Climate normal for this date — 60-year average.
0.28Mount Vernon, Monday, 30 November
Climate normal for this date — 60-year average.
0.18Mount Vernon, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Mount Vernon, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Mount Vernon, Thursday, 3 December
Climate normal for this date — 60-year average.
0.2Mount Vernon, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Mount Vernon, Saturday, 5 December
Climate normal for this date — 60-year average.
0.17Mount Vernon, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Mount Vernon, Monday, 7 December
Climate normal for this date — 60-year average.
0.21Mount Vernon, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.3Mount Vernon, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.17Mount Vernon, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Mount Vernon, Friday, 11 December
Climate normal for this date — 60-year average.
0.14Mount Vernon, Saturday, 12 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 Vernon, TN 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, TN 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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