Green Bay, WI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 15 		AM Clouds/PM Sun
Close Hourly 		91º / 65º 1% NE 7 mph 45%
10am Cloudy 83º 1% NNE 7 mph 63%
11am Cloudy 84º 1% NNE 7 mph 55%
12pm Cloudy 86º 0% NE 6 mph 46%
1pm Mostly Cloudy 87º 0% NE 6 mph 42%
2pm Partly Cloudy 88º 0% ENE 6 mph 40%
3pm Partly Cloudy 88º 0% ENE 7 mph 40%
4pm Mostly Cloudy 88º 0% ENE 7 mph 40%
5pm Partly Cloudy 88º 0% ENE 7 mph 39%
6pm Mostly Cloudy 86º 0% E 7 mph 42%
7pm Sunny 85º 0% E 7 mph 44%
8pm Mostly Sunny 82º 0% ESE 7 mph 49%
9pm Mostly Clear 78º 0% E 5 mph 58%
10pm Partly Cloudy 75º 1% E 4 mph 64%
11pm Partly Cloudy 73º 2% E 3 mph 69%
Thu
Jul 16 		Mostly Sunny
View Hourly 		88º / 68º 3% E 7 mph 48%
12am Partly Cloudy 72º 3% E 3 mph 71%
1am Partly Cloudy 70º 3% E 3 mph 75%
2am Partly Cloudy 69º 3% ENE 2 mph 77%
3am Partly Cloudy 68º 4% E 1 mph 79%
4am Clear 67º 4% ENE 1 mph 82%
5am Mostly Clear 66º 5% E 1 mph 83%
6am Partly Cloudy 66º 5% E 0 mph 80%
7am Partly Cloudy 71º 3% E 0 mph 74%
8am Partly Cloudy 74º 3% ENE 2 mph 65%
9am Sunny 77º 1% E 3 mph 55%
10am Mostly Sunny 80º 0% E 3 mph 48%
11am Sunny 82º 0% E 4 mph 47%
12pm Mostly Sunny 84º 0% E 3 mph 43%
1pm Mostly Sunny 85º 0% E 4 mph 42%
2pm Partly Cloudy 86º 0% ESE 4 mph 41%
3pm Mostly Sunny 86º 0% E 6 mph 40%
4pm Mostly Sunny 86º 0% ESE 5 mph 40%
5pm Mostly Sunny 86º 0% ESE 6 mph 40%
6pm Sunny 84º 0% ESE 7 mph 44%
7pm Sunny 83º 5% ESE 8 mph 45%
8pm Sunny 80º 7% ESE 6 mph 47%
9pm Mostly Clear 77º 5% ESE 5 mph 55%
10pm Mostly Clear 74º 1% ESE 4 mph 60%
11pm Mostly Clear 73º 3% ESE 4 mph 63%
Fri
Jul 17 		AM Thunderstorms
View Hourly 		88º / 71º 42% S 6 mph 66%
12am Partly Cloudy 72º 5% ESE 3 mph 64%
1am Partly Cloudy 71º 8% ESE 3 mph 68%
2am Partly Cloudy 70º 11% E 3 mph 71%
3am Mostly Cloudy 69º 10% ESE 3 mph 74%
4am Mostly Cloudy 70º 14% ESE 3 mph 74%
5am Mostly Cloudy 69º 16% ESE 3 mph 76%
6am Mostly Cloudy 69º 19% SE 2 mph 77%
7am Mostly Cloudy 71º 21% SE 3 mph 77%
8am Mostly Cloudy 74º 24% SE 4 mph 73%
9am Showers 76º 42% SSE 5 mph 73%
Sat
Jul 18 		Mostly Sunny 86º / 62º 21% NNW 12 mph 62%
Sun
Jul 19 		Partly Cloudy 87º / 68º 11% E 7 mph 55%
Mon
Jul 20 		Scattered Thunderstorms 89º / 63º 53% WSW 16 mph 58%
Tue
Jul 21 		Mostly Sunny 77º / 56º 14% NNW 13 mph 53%
Wed
Jul 22 		Partly Cloudy 79º / 58º 8% NW 10 mph 50%

Weather Radar for Green Bay, WI See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Green Bay, WI

Today
High : 86ºF
Variable winds less than 5 kt becoming NNE around 6 kt in the morning. Widespread smoke, mainly after 3pm. Waves 1 ft or less.
Tonight
Low : 67ºF
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Widespread smoke. Waves 1 ft or less.
Thursday
High : 81ºF
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Widespread smoke, mainly before 10am. Waves 1 ft or less.
Thursday Night
Low : 67ºF
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms after 1am. Widespread smoke before 8pm. Waves 1 ft or less.
Friday
High : 82ºF
Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.
Friday Night
Low : 68ºF
SE wind 5 to 9 kt becoming NE after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday
High : 80ºF
SSW wind 8 to 11 kt becoming N in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday Night
Low : 64ºF
NNE wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Sunday
High : 81ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

NOAA Buoy Data Near Green Bay, WI See Map

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    Wind Speed Forecast for Green Bay, WI

    WednesdayThursdayFriday
    Wind Speed (MPH) 767420347432
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 767420347432
    DIR NNEENEEEENEEEESEESEESEESE

    Current Weather Conditions In Green Bay, WI

    As Of: 52 minutes ago

    • 83ºF
    • 88ºF
    • 7mph
    • 0º (NNE)
    • 7mph
    • Cloudy
    • 3mi
    • 30.06"
    • 63%
    • 0ºF

    The weather right now in Green Bay, WI is Cloudy. The current temperature is 83°F, and the expected high and low for today, Wednesday, July 15, 2026, are 91° high temperature and 65°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the North Northeast. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 88° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 63 percent, and air pressure at 30.06 in. Visibility is 3 nautical miles. There are 2 current weather alert(s).

    General Weather Conditions in Green Bay, WI

    Green Bay Wisconsin is located in the eastern portion of the state at the head or southwest end of Green Bay. The Bay is oriented northeast-southwest and is separated from Lake Michigan to the southeast by the Door Peninsula. The location averages about seven days each year with maximum temperatures in excess of 90°F (32.2°C). July is the warmest month with an average high of 81°F (27.2°C) and an average minimum of 59°F (15°C). January is the coolest month with an average high of 23°F (-5°C) and an average minimum of 7°F (-13.9°C). The highest temperature on record for Green Bay is 103°F (39.4°C), recorded in July 1995, and the lowest temperature on record is -31°F (-35°C), recorded in January 1951. About 163 days each year experience temperatures below 32°F (0°C), and an average 38 days each year record temperatures below 5°F (-15°C). Every month has seen temperatures at or below 40°F (4.4°C), and every month except July and August has recorded temperatures at or below freezing (0°C).

    The average annual precipitation for Green Bay is 28.49 inches (724 mm). An annual maximum occurs during the summer, due mainly to convective activity, and a marked dry period occurs during the winter months. Precipitation falls on about 189 days each year. The wettest month is July with 3.45 inches (88 mm) and the driest, February, averages only 1.02 inches (25.9 mm). An average of 33 thunderstorm days occur each year with June, July and August being the most likely months. Snow falls on about 80 days each year and averages about 47 inches (1194 mm) each year. December and January each average about 11 inches (279 mm) per year. Ten-inch (254 mm) snowfalls in a 24-hour period have occurred in each month November, December, March and April. About ten days each year has a snowfall total greater than 1.5 inches (38 mm) and snow have fallen in every month except June, July and August. Fog is present on average 129 days each year and is rather evenly distributed throughout the year with a slight maximum during the late summer season.

    The prevailing wind direction in Green Bay is the southwest. Winter through early spring is the windiest period and a maximum gust of 70 knots occurred in May 1989.

    Weather Alerts
    Heat Advisory - 2:48am Wed Jul 15 2026

    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

    WHAT: Heat index values up to 100.

    WHERE: Portage, Waushara, Wood, Calumet, Manitowoc, Winnebago,
    Brown, Outagamie, and Waupaca Counties.

    WHEN: Until 9 PM CDT this evening.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    To reduce risk during outdoor work, the Occupational Safety and
    Health Administration recommends scheduling frequent rest breaks in
    shaded or air conditioned environments. Anyone overcome by heat
    should be moved to a cool and shaded location. Heat stroke is an
    emergency! Call 9 1 1.

    &&

    Air Quality Alert - 2:46am Wed Jul 15 2026

    The Wisconsin Department of Natural Resources has issued an Air
    Quality Advisory for the following counties: Brown, Calumet,
    Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc,
    Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie,
    Portage, Shawano, Sheboygan, Vilas, Waupaca, Waushara, Winnebago,
    Wood

    WHAT...The PM2.5 AQI (24-hour average) is expected to reach the
    Unhealthy for Sensitive Groups (Orange) to Very Unhealthy
    (Purple) level. Hazardous (Maroon) NowCast AQI (1-hour average)
    will be possible.

    WHERE...Statewide.

    WHEN...until noon Thursday.

    Precautionary/Preparedness Actions:

    For Very Unhealthy (Purple) AQI:
    Sensitive groups: Avoid all physical activity outdoors.
    Reschedule to a time when air quality is better or move
    activities indoors.
    People with asthma: Follow your asthma action plan and keep
    quick-relief medicine handy.
    People with heart disease: Symptoms such as palpitations,
    shortness of breath, or unusual fatigue may indicate a serious
    problem. If you have any of these, contact your health care
    provider.
    Everyone else: Limit outdoor physical activity. Go indoors if you
    have symptoms.

    For Unhealthy (Red) AQI:
    Sensitive groups: Consider rescheduling or moving all activities
    inside. Go inside if you have symptoms.
    People with asthma: Follow your asthma action plan and keep
    quick-relief medicine handy.
    People with heart disease: Symptoms such as palpitations,
    shortness of breath, or unusual fatigue may indicate a serious
    problem. If you have any of these, contact your health care
    provider.
    Everyone else: Keep outdoor activities shorter and less intense.
    Go inside if you have symptoms.

    For Unhealthy for Sensitive Groups (Orange) AQI:
    Sensitive groups: Make outdoor activities shorter and less
    intense. It is OK to be active outdoors but take more breaks.
    Watch for symptoms such as coughing or shortness of breath.
    People with asthma: Follow your asthma action plan and keep quick
    relief medicine handy.
    People with heart disease: Symptoms such as palpitations,
    shortness of breath, or unusual fatigue may indicate a serious
    problem. If you have any of these, contact your health care
    provider.

    Additional Details:
    THIS ADVISORY WILL BE RE-EVALUATED THURSDAY MORNING AND WILL
    LIKELY BE EXTENDED FOR AT LEAST SOME PORTION OF THE STATE BEYOND
    NOON THURSDAY.

    Smoke from wildfires in Minnesota and Ontario will enter northern
    WI between 8 p.m. and midnight Tuesday night. The smoke will push
    south, approximately reaching an Eau Claire to Sheboygan line by
    noon Wednesday. Smoke will continue south-southwest,
    approximately reaching a La Crosse to Janesville line by midnight
    Wednesday night. Statewide impacts will be possible by 6 a.m.
    Thursday. The heaviest smoke impacts, including the potential for
    Hazardous (Maroon) NowCast AQI, are expected across northwest
    Wisconsin, especially in communities along Lake Superior. Lake
    enhanced smoke concentrations will also be possible for
    communities near Lake Michigan.

    For more information on current air quality, please see:
    https://airquality.wi.gov