Weather in Green Bay, WI
Green Bay, Saturday, 8 August, 23:46
Clear. Feels like 67°. High 81°, low 65°.
Monthly outlook for Green Bay, WI: average high 78.3°, average low 60°. That is 0.3° above the climate normal for August. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 18 August (87.4°), the coolest 21 August (52.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.3° | 78.1° | +0.7° |
| 18 August – 27 August | 76.4° | 77.3° | -0.5° |
| 28 August – 6 September | at normal | 75.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Allouez (3 mi).
0.69
Green Bay, Sunday, 9 August
Heavy rain. High 76°, low 65°.
0
Green Bay, Monday, 10 August
Clear. High 85°, low 66°.
0.06Green Bay, Tuesday, 11 August
Light rain. High 79°, low 64°.
0.04Green Bay, Wednesday, 12 August
Light rain. High 82°, low 61°.
0
Green Bay, Thursday, 13 August
Overcast. High 78°, low 54°.
0Green Bay, Friday, 14 August
Clear. High 79°, low 56°.
0Green Bay, Saturday, 15 August
Overcast. High 75°, low 56°.
0Green Bay, Sunday, 16 August
Overcast. High 78°, low 59°.
0.03Green Bay, Monday, 17 August
Light rain. High 82°, low 62°.
0.09Green Bay, Tuesday, 18 August
Light rain. High 87°, low 65°.
0Green Bay, Wednesday, 19 August
Overcast. High 70°, low 64°.
0Green Bay, Thursday, 20 August
Overcast. High 77°, low 56°.
0
Green Bay, Friday, 21 August
Partly cloudy. High 76°, low 53°.
0.05Green Bay, Saturday, 22 August
Light rain. High 69°, low 55°.
0.06Green Bay, Sunday, 23 August
Light rain. High 80°, low 60°.
0.12Green Bay, Monday, 24 August
Climate normal for this date — 60-year average.
0.11Green Bay, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Green Bay, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.22Green Bay, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Green Bay, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Green Bay, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Green Bay, Sunday, 30 August
Climate normal for this date — 60-year average.
0.04Green Bay, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Green Bay, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Green Bay, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Green Bay, Thursday, 3 September
Climate normal for this date — 60-year average.
0.05Green Bay, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Green Bay, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Green Bay, Sunday, 6 September
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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