Weather in Mount Vernon, WI
Mount Vernon, Saturday, 24 October, 00:26
Partly cloudy. Feels like 54°. High 70°, low 52°.
Monthly outlook for Mount Vernon, WI: average high 61.4°, average low 46.9°. That is 5.8° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 25 October (71°), the coolest 4 November (37.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 64.4° | 52.6° | +6.6° |
| 3 November – 12 November | 56.4° | 46.9° | +5.2° |
| 13 November – 22 November | at normal | 42.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mount Horeb (6 mi).
0
Mount Vernon, Sunday, 25 October
Overcast. High 71°, low 51°.
0Mount Vernon, Monday, 26 October
Overcast. High 62°, low 47°.
0Mount Vernon, Tuesday, 27 October
Overcast. High 65°, low 46°.
0.03
Mount Vernon, Wednesday, 28 October
Light rain. High 68°, low 55°.
0.14Mount Vernon, Thursday, 29 October
Light rain. High 68°, low 54°.
0.54Mount Vernon, Friday, 30 October
Rain. High 68°, low 58°.
0.3Mount Vernon, Saturday, 31 October
Rain. High 62°, low 55°.
0.05Mount Vernon, Sunday, 1 November
Light rain. High 58°, low 45°.
0
Mount Vernon, Monday, 2 November
Clear. High 53°, low 38°.
0
Mount Vernon, Tuesday, 3 November
Partly cloudy. High 47°, low 38°.
0Mount Vernon, Wednesday, 4 November
Overcast. High 49°, low 38°.
0Mount Vernon, Thursday, 5 November
Overcast. High 60°, low 39°.
0Mount Vernon, Friday, 6 November
Partly cloudy. High 67°, low 45°.
0Mount Vernon, Saturday, 7 November
Overcast. High 58°, low 46°.
0Mount Vernon, Sunday, 8 November
Overcast. High 58°, low 42°.
0.1
Mount 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.
0.07Mount Vernon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Mount Vernon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04
Mount Vernon, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Mount Vernon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Mount Vernon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Mount Vernon, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Mount Vernon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Mount 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.
0.03Mount Vernon, Sunday, 22 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, WI 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, WI 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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