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Green Bay weather in March

Weather in Green Bay: March

Average day temperature: 39.4°F
Average night temperature: 30.3°F
Sea water temperature: 34.4°F
Number of sunny days: 8 days
Day length: 11.2 - 12.7 hours
Number of rainy days: 1 day
Precipitation totals: 1.0 in.

Air temperature in March, °F

Show year:
2026
2025
2024

The highest day temperature during March of 2026 was 65°F. At the same time the lowest night temperature was 5°F. Daily and nightly averages during March were 41.1°F and 30.3°F.

Sea water temperature in Green Bay in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 33.9°F. The highest and lowest sea temperatures during the month were 37.9°F and 32.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in Green Bay in March is 1.0 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 10.9 mph It makes March one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 5.3.

Best time for vacation in Green Bay

Sunniest months:
August 14 days
September 13 days
October 13 days
Warmest months:
July 78.0 °F
August 77.5 °F
June 73.8 °F
Warmest sea temp:
July 74.9 °F
August 73.5 °F
September 68.1 °F
Coldest months:
January 23.7 °F
February 26.8 °F
December 30.2 °F
Rainiest months:
June 3 days
April 3 days
August 2 days
Windiest months:
April 11.0 mph
March 10.9 mph
November 10.9 mph

Green Bay on a weather map

Green Bay
+36°F
N 20 mph
Feels like: +27°F
Precip.: 100%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+63°F
+57°F
+75°F
+75°F
+68°F
+36°F
+59°F
+52°F
+66°F
+68°F
+64°F
+41°F
24 Hours Forecast
Green Bay
Local time: 09:19
April 08, wednesday
1200
48°F
N
21 mph
1500
55°F
N
23 mph
1800
55°F
N
24 mph
2100
54°F
N
26 mph
April 09, thursday
0000
50°F
E
22 mph
0300
43°F
NE
8 mph
0600
39°F
E
14 mph
0900
41°F
E
16 mph
Units of measurement: °C / °F