Weather in Green Bay, WI
Green Bay, Wednesday, 21 October, 04:49
Clear. Feels like 42°. High 67°, low 43°.
Monthly outlook for Green Bay, WI: average high 56.4°, average low 44.6°. That is 2.5° above the climate normal for October. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 25 October (67.7°), the coolest 31 October (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.6° | 53.3° | +2.4° |
| 31 October – 9 November | 54.5° | 48.7° | +3.2° |
| 10 November – 19 November | at normal | 43.1° | — |
October records over 66 years
0
Green Bay, Thursday, 22 October
Overcast. High 60°, low 45°.
0Green Bay, Friday, 23 October
Overcast. High 67°, low 46°.
0Green Bay, Saturday, 24 October
Overcast. High 67°, low 53°.
0
Green Bay, Sunday, 25 October
Light rain. High 68°, low 56°.
0.17Green Bay, Monday, 26 October
Light rain. High 53°, low 45°.
0.02Green Bay, Tuesday, 27 October
Light rain. High 49°, low 40°.
0.21Green Bay, Wednesday, 28 October
Rain. High 51°, low 43°.
0.1Green Bay, Thursday, 29 October
Light rain. High 48°, low 37°.
0
Green Bay, Friday, 30 October
Mostly clear. High 46°, low 32°.
0
Green Bay, Saturday, 31 October
Clear. High 51°, low 32°.
0.13Green Bay, Sunday, 1 November
Light rain. High 45°, low 42°.
0.04Green Bay, Monday, 2 November
Light rain. High 52°, low 44°.
0
Green Bay, Tuesday, 3 November
Partly cloudy. High 55°, low 45°.
0.26Green Bay, Wednesday, 4 November
Rain. High 59°, low 51°.
0.16Green Bay, Thursday, 5 November
Rain. High 65°, low 57°.
0.09Green Bay, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Green Bay, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Green Bay, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09
Green Bay, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Green Bay, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Green Bay, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Green Bay, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Green Bay, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Green Bay, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Green Bay, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Green Bay, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Green Bay, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Green Bay, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Green Bay, Thursday, 19 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 Bay, 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 Bay, 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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