Weather in Sun Prairie, WI
Sun Prairie, Thursday, 29 October, 21:43
Clear. Feels like 49°. High 65°, low 49°.
Monthly outlook for Sun Prairie, WI: average high 54.1°, average low 44°. That is 3.2° above the climate normal for October. Precipitation is expected on 7 days (about 1.8 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 1 November (67.7°), the coolest 11 November (30.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 60° | 50.5° | +5.3° |
| 8 November – 17 November | 44.3° | 44.5° | -0.1° |
| 18 November – 27 November | at normal | 40.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Windsor (5 mi).
0
Sun Prairie, Friday, 30 October
Overcast. High 57°, low 41°.
0.1
Sun Prairie, Saturday, 31 October
Light rain. High 62°, low 52°.
0Sun Prairie, Sunday, 1 November
Overcast. High 68°, low 50°.
0.11Sun Prairie, Monday, 2 November
Light rain. High 60°, low 53°.
0.4Sun Prairie, Tuesday, 3 November
Light rain. High 65°, low 59°.
0.86Sun Prairie, Wednesday, 4 November
Rain. High 61°, low 53°.
0Sun Prairie, Thursday, 5 November
Overcast. High 56°, low 45°.
0Sun Prairie, Friday, 6 November
Overcast. High 55°, low 41°.
0Sun Prairie, Saturday, 7 November
Overcast. High 51°, low 39°.
0Sun Prairie, Sunday, 8 November
Overcast. High 48°, low 38°.
0.09Sun Prairie, Monday, 9 November
Light rain. High 45°, low 40°.
0Sun Prairie, Tuesday, 10 November
Overcast. High 43°, low 34°.
0
Sun Prairie, Wednesday, 11 November
Partly cloudy. High 45°, low 31°.
0.14Sun Prairie, Thursday, 12 November
Light rain. High 40°, low 37°.
0.05Sun Prairie, Friday, 13 November
Light rain. High 45°, low 40°.
0.04Sun Prairie, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Sun Prairie, Sunday, 15 November
Climate normal for this date — 60-year average.
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.
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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