Weather in Green Valley, WI
Green Valley, Tuesday, 20 October, 22:00
Clear. Feels like 50°. High 65°, low 40°.
Monthly outlook for Green Valley, WI: average high 54°, average low 39°. That is 1.4° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 21 October (65.8°), the coolest 30 October (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 56.4° | 52.7° | +2.1° |
| 30 October – 8 November | 49.8° | 48.3° | +0.8° |
| 9 November – 18 November | at normal | 42.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cecil (9 mi).
0
Green Valley, Wednesday, 21 October
Clear. High 66°, low 42°.
0
Green Valley, Thursday, 22 October
Overcast. High 61°, low 42°.
0Green Valley, Friday, 23 October
Overcast. High 65°, low 47°.
0Green Valley, Saturday, 24 October
Overcast. High 65°, low 50°.
0.14
Green Valley, Sunday, 25 October
Light rain. High 59°, low 50°.
0.48Green Valley, Monday, 26 October
Rain. High 47°, low 39°.
0Green Valley, Tuesday, 27 October
Clear. High 43°, low 30°.
0Green Valley, Wednesday, 28 October
Clear. High 46°, low 30°.
0Green Valley, Thursday, 29 October
Clear. High 48°, low 30°.
0Green Valley, Friday, 30 October
Clear. High 46°, low 30°.
0Green Valley, Saturday, 31 October
Overcast. High 55°, low 36°.
0.06Green Valley, Sunday, 1 November
Light rain. High 54°, low 50°.
0Green Valley, Monday, 2 November
Clear. High 51°, low 38°.
0Green Valley, Tuesday, 3 November
Overcast. High 45°, low 32°.
0Green Valley, Wednesday, 4 November
Overcast. High 48°, low 37°.
0.09
Green Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Green Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Green Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Green Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08
Green Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Green Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Green Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Green Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Green Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.03
Green Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Green Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Green Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Green Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Green Valley, Wednesday, 18 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 Green Valley, 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 Green Valley, 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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