Green Bay, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Green Bay, WI.

Current Conditions — Green Bay, WI

ASHWAUBENON (KGRB)

Clear

66.2 F
Humidity:35%
Wind Speed: G 24.2 mph
Barometer:29.40 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 4 2026, 09:35 AM CDT
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5-Day Forecast — Green Bay, WI

Monday

High 75 °F
Slight Chance of Rain Showers
Monday
Night
Low 41 °F
Mostly Cloudy
Tuesday

High 57 °F
Mostly Cloudy
Tuesday
Night
Low 37 °F
Mostly Cloudy
Wednesday

High 55 °F
Mostly Cloudy
Wednesday
Night
Low 37 °F
Partly Cloudy
Thursday

High 55 °F
Slight Chance of Rain Showers
Thursday
Night
Low 37 °F
Partly Cloudy
Friday

High 59 °F
Partly Sunny

Detailed Forecast — Green Bay, WI

Monday
Slight Chance of Rain Showers. High near 75°F. Wind 13 to 20 mph, with gusts as high as 37 mph.
Monday Night
Mostly Cloudy. Low around 41°F. Wind 6 to 12 mph, with gusts as high as 24 mph.
Tuesday
Mostly Cloudy. High near 57°F. Wind 8 to 12 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly Cloudy. Low around 37°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Wednesday
Mostly Cloudy. High near 55°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Wednesday Night
Partly Cloudy. Low around 37°F. Wind around 3 mph, with gusts as high as 7 mph.
Thursday
Slight Chance of Rain Showers. High near 55°F. Wind 5 to 7 mph, with gusts as high as 13 mph.
Thursday Night
Partly Cloudy. Low around 37°F. Wind around 2 mph, with gusts as high as 6 mph.
Friday
Partly Sunny. High near 59°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Friday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 6 mph.
Saturday
Partly Sunny. High near 62°F. Wind 5 to 7 mph, with gusts as high as 13 mph.
Saturday Night
Slight Chance of Rain. Low around 42°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Mostly Cloudy. High near 64°F. Wind around 6 mph, with gusts as high as 10 mph.
WI Radar
Current Radar • WI
Day 1 Outlook • May 4, 2026

Observation History — Green Bay, WI

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
09:35 AM CDT G 24.2 10.00 Clear -- 66.2 37.4 35% NA NA 29.40 995.6
09:30 AM CDT G 28.8 10.00 Clear -- 66.2 39.2 37% NA NA 29.40 995.6
09:20 AM CDT 16.1 G 24.2 10.00 Clear -- 66.2 39.2 37% NA NA 29.40 995.6
09:05 AM CDT G 20.7 10.00 Clear -- 64.4 37.4 37% NA NA 29.42 996.3
09:00 AM CDT 10.00 Clear -- 64.4 37.4 37% NA NA 29.42 996.3
08:50 AM CDT 13.8 G 21.9 10.00 Clear -- 64.4 39.2 39% NA NA 29.43 996.6
08:35 AM CDT 10.00 Clear -- 62.6 39.2 42% NA NA 29.44 997.0
08:30 AM CDT 10.00 Clear -- 60.8 39.2 45% NA NA 29.44 997.0
08:25 AM CDT 12.7 10.00 Clear -- 60.8 39.2 45% NA NA 29.44 997.0
08:05 AM CDT 11.5 10.00 Clear -- 59.0 41.0 51% NA NA 29.46 997.6
07:50 AM CDT 10.00 Clear -- 57.2 41.0 55% NA NA 29.46 997.6
07:45 AM CDT 11.5 10.00 Clear -- 57.2 41.0 55% NA NA 29.46 997.6
07:35 AM CDT 10.4 10.00 Clear -- 55.4 41.0 58% NA NA 29.47 998.0
07:30 AM CDT 8.1 10.00 Clear -- 53.6 41.0 62% NA NA 29.47 998.0
07:20 AM CDT S 9.2 10.00 Clear -- 53.6 39.2 58% NA NA 29.46 997.6
07:15 AM CDT 10.4 10.00 Clear -- 51.8 39.2 62% NA NA 29.46 997.6
07:05 AM CDT S 10.4 10.00 Clear -- 51.8 39.2 62% NA NA 29.46 997.6
06:53 AM CDT S 10.3 10.00 Clear -- 50.0 39.0 66% NA NA 29.47 998.0
06:45 AM CDT S 10.4 10.00 Clear -- 50.0 37.4 62% NA NA 29.47 998.0
06:35 AM CDT S 9.2 10.00 Clear -- 48.2 37.4 66% 44.1 NA 29.48 998.3
06:30 AM CDT S 8.1 10.00 Clear -- 48.2 37.4 66% 44.6 NA 29.48 998.3
06:25 AM CDT S 8.1 10.00 Clear -- 48.2 39.2 71% 44.6 NA 29.48 998.3
06:15 AM CDT S 8.1 10.00 Clear -- 46.4 39.2 76% 42.4 NA 29.48 998.3
06:05 AM CDT S 5.7 10.00 Clear -- 48.2 39.2 71% 45.7 NA 29.49 998.6

Regional Weather Observation

ASHWAUBENON (KGRB)

Clear
66.2 F

OCONTO (KOCQ)

Clear
66.9 F

CLINTONVILLE (KCLI)

Clear
65.8 F

APPLETON/OUTAGAM (KATW)

Clear
64.4 F

STURGEON BAY (KSUE)

Clear and Windy
66.2 F

MANITOWAC MUNI (KMTW)

Clear
68.0 F
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