Green Bay Weather Forecast
- 70
- 89
Slight Chance Thunderstorms
- 69
- 87
Chance Rain Showers
- 65
- 82
Chance Rain Showers
- 64
- 79
Slight Chance Thunderstorms
- 65
- 81
Slight Chance Rain Showers
- 64
- 81
Slight Chance Thunderstorms
Today 31 Aug Brown
Very warm and humid. Partly cloudy. Highs in the upper 80s. Southwest wind 5 to 10 Mph. Heat indices to 99.
Tonight 31 Aug Brown
Muggy. Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 60s. Southwest wind 5 to 10 Mph in the evening becoming light and variable. Chance of rain 20 percent.
Green Bay Temperature Statistics
August Temperature
Green Bay, Austin Straubel International Airport (6.2 miles)
Lowest 24 August, 2026
46.7 °FAverage August
68.9 °FHighest 16 August, 2026
84.7 °F
Climate (2021–2026)
Green Bay, Austin Straubel International Airport (6.2 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
57.4 °F