Weather in Mount Vernon, TN
Mount Vernon, Tuesday, 10 November, 12:25
Mostly clear. Feels like 67°. High 68°, low 39°.
Monthly outlook for Mount Vernon, TN: average high 55.1°, average low 37.2°. That is 0.5° below the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 11 November (69.7°), the coolest 14 November (30.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 55.4° | 56.8° | -0.8° |
| 20 November – 29 November | 54.5° | 53.9° | +0.3° |
| 30 November – 9 December | at normal | 50.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Portland (10 mi).
0.06
Mount Vernon, Wednesday, 11 November
Light rain. High 70°, low 38°.
0
Mount Vernon, Thursday, 12 November
Partly cloudy. High 55°, low 41°.
0
Mount Vernon, Friday, 13 November
Overcast. High 45°, low 38°.
0
Mount Vernon, Saturday, 14 November
Clear. High 47°, low 30°.
0Mount Vernon, Sunday, 15 November
Partly cloudy. High 52°, low 32°.
0Mount Vernon, Monday, 16 November
Overcast. High 52°, low 34°.
0Mount Vernon, Tuesday, 17 November
Mostly clear. High 53°, low 32°.
0Mount Vernon, Wednesday, 18 November
Clear. High 56°, low 34°.
0Mount Vernon, Thursday, 19 November
Partly cloudy. High 58°, low 38°.
0Mount Vernon, Friday, 20 November
Overcast. High 59°, low 43°.
0Mount Vernon, Saturday, 21 November
Clear. High 61°, low 41°.
0.69Mount Vernon, Sunday, 22 November
Rain. High 60°, low 48°.
0.01Mount Vernon, Monday, 23 November
Light rain. High 54°, low 41°.
0Mount Vernon, Tuesday, 24 November
Clear. High 51°, low 36°.
0Mount Vernon, Wednesday, 25 November
Overcast. High 42°, low 31°.
0.15
Mount Vernon, Thursday, 26 November
Climate normal for this date — 60-year average.
0.32Mount Vernon, Friday, 27 November
Climate normal for this date — 60-year average.
0.25Mount Vernon, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Mount 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.
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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