Weather in Sun Prairie, WI
Sun Prairie, Saturday, 31 October, 16:27
Overcast. Feels like 56°. High 58°, low 49°.
Monthly outlook for Sun Prairie, WI: average high 53.2°, average low 42.6°. That is 3.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 3 November (67.7°), the coolest 15 November (27.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 58.2° | 49.2° | +5° |
| 10 November – 19 November | 44.9° | 43.7° | +0.7° |
| 20 November – 29 November | at normal | 39.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Windsor (5 mi).
0Sun Prairie, Sunday, 1 November
Overcast. High 67°, low 50°.
0.5
Sun Prairie, Monday, 2 November
Rain. High 58°, low 50°.
0.54Sun Prairie, Tuesday, 3 November
Rain. High 68°, low 59°.
0.42Sun Prairie, Wednesday, 4 November
Rain. High 65°, low 55°.
0.02Sun Prairie, Thursday, 5 November
Light rain. High 55°, low 50°.
0.02Sun Prairie, Friday, 6 November
Light rain. High 51°, low 46°.
0Sun Prairie, Saturday, 7 November
Overcast. High 53°, low 43°.
0Sun Prairie, Sunday, 8 November
Overcast. High 54°, low 41°.
0.01Sun Prairie, Monday, 9 November
Light rain. High 53°, low 43°.
0
Sun Prairie, Tuesday, 10 November
Clear. High 55°, low 38°.
0
Sun Prairie, Wednesday, 11 November
Partly cloudy. High 44°, low 33°.
0Sun Prairie, Thursday, 12 November
Partly cloudy. High 44°, low 32°.
0.02
Sun Prairie, Friday, 13 November
Light snow. High 42°, low 31°.
0.03Sun Prairie, Saturday, 14 November
Light snow. High 42°, low 33°.
0Sun Prairie, Sunday, 15 November
Clear. High 43°, low 28°.
0.05Sun Prairie, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Sun Prairie, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Sun Prairie, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Sun Prairie, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Sun Prairie, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Sun Prairie, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03
Sun Prairie, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Sun Prairie, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Sun Prairie, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06
Sun Prairie, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.1Sun Prairie, Thursday, 26 November
Climate normal for this date — 60-year average.
0.14Sun Prairie, Friday, 27 November
Climate normal for this date — 60-year average.
0.09Sun Prairie, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Sun Prairie, Sunday, 29 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 Sun Prairie, 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 Sun Prairie, 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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