Wisconsin · NWS GRB office

Green Bay, WI weather

It is 48°F and clear at Green Bay, Austin Straubel International Airport as of Oct 28, 7:00 AM CDT. Today: Sunny, high near 70°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 6:36 AM CDT.

Updated Oct 28, 7:18 AM CDT (snapshot)

Current conditions

Temperature

48°F

Clear · feels like 46°F

Wind

S 5 mph

Humidity 93% · dew point 46°F

Pressure · visibility

30.14 inHg

Visibility 9 mi

Observed at Green Bay, Austin Straubel International Airport (KGRB), Oct 28, 7:00 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Green Bay forecast zone right now.

Around the NWS GRB forecast area

No active alerts in zones served by the GRB office near Green Bay.

From the alert snapshot of Oct 28, 2026, 8:14 AM EDT. No alerts are active anywhere in Wisconsin.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Green Bay (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM51°FSunny1%S 5 mph
Wed 8 AM53°FSunny1%SSW 6 mph
Wed 9 AM55°FSunny1%SSW 6 mph
Wed 10 AM58°FSunny1%SSW 6 mph
Wed 11 AM63°FSunny0%SSW 7 mph
Wed 12 PM66°FSunny1%SSW 7 mph
Wed 1 PM68°FSunny0%SSW 8 mph
Wed 2 PM69°FSunny1%SSW 9 mph
Wed 3 PM69°FSunny1%SSW 9 mph
Wed 4 PM70°FSunny0%S 9 mph
Wed 5 PM68°FSunny2%S 9 mph
Wed 6 PM67°FMostly Clear2%S 9 mph
Wed 7 PM64°FPartly Cloudy7%S 9 mph
Wed 8 PM62°FMostly Cloudy6%S 10 mph
Wed 9 PM62°FPartly Cloudy8%S 12 mph
Wed 10 PM62°FChance Showers And Thunderstorms26%S 14 mph
Wed 11 PM62°FChance Showers And Thunderstorms48%SSW 14 mph
Thu 12 AM61°FShowers And Thunderstorms Likely60%SSW 14 mph
Thu 1 AM61°FShowers And Thunderstorms79%SSW 14 mph
Thu 2 AM61°FShowers And Thunderstorms Likely58%SW 14 mph
Thu 3 AM60°FChance Showers And Thunderstorms32%SW 14 mph
Thu 4 AM59°FSlight Chance Rain Showers15%SW 13 mph
Thu 5 AM58°FMostly Cloudy9%WSW 12 mph
Thu 6 AM57°FPartly Sunny3%WSW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Green Bay can differ.

7-day forecast

Today

High 70°F·Low 54°F

Sunny. High near 70, with temperatures falling to around 68 in the afternoon. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

Tonight: Showers and thunderstorms between 10pm and 5am. Mostly cloudy. Low around 54, with temperatures rising to around 58 overnight. South southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

Thursday

High 63°F·Low 39°F

Mostly sunny. High near 63, with temperatures falling to around 61 in the afternoon. West northwest wind around 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: Patchy fog after 5am. Mostly clear, with a low around 39. West northwest wind 2 to 9 mph.

Friday

High 57°F·Low 41°F

Areas of fog before 8am. Mostly sunny, with a high near 57. North northwest wind around 2 mph.

Friday Night: Patchy fog after 4am. Partly cloudy, with a low around 41.

Saturday

High 59°F·Low 45°F

Patchy fog before 9am, then a slight chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 20%.

Saturday Night: A slight chance of rain showers before 2am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 20%.

Sunday

High 62°F·Low 48°F

Patchy fog before 9am. Mostly cloudy, with a high near 62.

Sunday Night: Patchy fog after 9pm. Mostly cloudy, with a low around 48.

Monday

High 63°F·Low 49°F

Patchy fog before 7am, then a slight chance of rain showers. Mostly cloudy, with a high near 63. Chance of precipitation is 20%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

Tuesday

High 60°F·Low 46°F

A chance of rain showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.

Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

Nearby cities

Other cities in Brown County

See every city we cover in Wisconsin, or check all active alerts.

About this forecast

Forecast office
Green Bay is served by the National Weather Service GRB forecast office, forecast zone WIZ039, county zone WIC009.
Location used
The Census Bureau's internal point for Green Bay (44.5215, -87.9866), in Brown County. Population: 106,311 (2024 estimate), number 3 of the 42 Wisconsin cities on this site.
Radar
Nearest NWS radar: KGRB. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/44.5215,-87.9866 (forecast issued Oct 28, 6:36 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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