See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:53
Sunset
Moon
Waxing Crescent
12:50
Moonrise
20:44
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Green Bay.
Resources
UV Index
Humidity
Weather in Green Bay today, September 16, 2026
Green Bay stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 05:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 11°C up to 19°C. Expect humidity between 48% and 92%, most humid near 21:00. Airflow remains manageable, reaching about 3.5 km/h around 13:00.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 16.0 km, briefly nearer 15.2 km. Expect sunrise at 06:39, sunset at 18:53, and 12 hours 14 minutes of sunlight today overall.
In short, cloud leads the story in Green Bay on September 16, 2026; expect limited sun and a peak around 19°C.
Frequently asked questions about weather in Green Bay
How warm does it get in Green Bay?
The warmest month in Green Bay is July, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Green Bay?
The coldest month in Green Bay is February, with average low temperatures of -9°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Green Bay?
The wettest month in Green Bay is July, with an average of 104mm of precipitation.
What is the driest time of year in Green Bay?
The driest month in Green Bay is January, with an average of 39mm of precipitation.
Explore more weather forecasts
- Allouez, Wisconsin
- New York City, New York
- Ashwaubenon, Wisconsin
- Los Angeles, California
- Howard, Wisconsin
- Brooklyn, New York
- De Pere, Wisconsin
- Chicago, Illinois
- Bellevue, Wisconsin
- Houston, Texas
- Suamico, Wisconsin
- Queens, New York
- Kaukauna, Wisconsin
- Phoenix, Arizona
- Little Chute, Wisconsin
- Philadelphia, Pennsylvania
