Weather in Mount Vernon, MO
Mount Vernon, Thursday, 29 October, 15:00
Overcast. Feels like 82°. High 80°, low 57°.
Monthly outlook for Mount Vernon, MO: average high 63.3°, average low 49.8°. That is 2.1° above the climate normal for October. Precipitation is expected on 5 days (about 2.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 29 October (80.3°), the coolest 10 November (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 67.4° | 60.7° | +3.7° |
| 8 November – 17 November | 56.5° | 57° | -0.3° |
| 18 November – 27 November | at normal | 53.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Miller (8 mi).
0
Mount Vernon, Friday, 30 October
Light rain. High 79°, low 56°.
0.27Mount Vernon, Saturday, 31 October
Rain. High 67°, low 59°.
0.06Mount Vernon, Sunday, 1 November
Light rain. High 71°, low 60°.
0Mount Vernon, Monday, 2 November
Overcast. High 76°, low 61°.
1.89Mount Vernon, Tuesday, 3 November
Heavy rain. High 68°, low 64°.
0.11Mount Vernon, Wednesday, 4 November
Light rain. High 61°, low 52°.
0.01Mount Vernon, Thursday, 5 November
Light rain. High 60°, low 46°.
0
Mount Vernon, Friday, 6 November
Clear. High 57°, low 40°.
0Mount Vernon, Saturday, 7 November
Overcast. High 55°, low 38°.
0.01Mount Vernon, Sunday, 8 November
Light rain. High 45°, low 44°.
0.02Mount Vernon, Monday, 9 November
Light rain. High 50°, low 37°.
0Mount Vernon, Tuesday, 10 November
Clear. High 55°, low 36°.
0Mount Vernon, Wednesday, 11 November
Overcast. High 60°, low 40°.
0
Mount Vernon, Thursday, 12 November
Partly cloudy. High 64°, low 49°.
0.15Mount Vernon, Friday, 13 November
Light rain. High 65°, low 56°.
0.08Mount Vernon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15
Mount Vernon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Mount Vernon, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Mount Vernon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Mount Vernon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Mount Vernon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12Mount Vernon, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Monday, 23 November
Climate normal for this date — 60-year average.
0.15Mount Vernon, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Mount Vernon, Thursday, 26 November
Climate normal for this date — 60-year average.
0.15Mount Vernon, Friday, 27 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, MO 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, MO 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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