active National Weather Service watches, warnings and advisories
Checking the National Weather Service for active alerts covering Sheboygan…
Sheboygan weather in numbers
measured normals and 10 years of recorded weather
Sheboygan swings 61°F across the year, from 77°F highs in July to 16°F lows in January, and August is usually the wettest month in a year that brings about 35 in of precipitation. Over 10 years of recorded weather it averages 54 days a year at 77°F or above, 8 of them at 86°F or above, 128 frost nights, and rain on 115 days.
Warmest month
July
77°F average high
Coldest month
January
16°F average low
Wettest month
August
35 in a year
Comfortable
4 months
May, June, July and September
Residents
49,000
share this forecast
Most accurate here
European
84/100 CheckWeather Score
Warm days
54 days
a year at 77°F or above
Frost nights
128 nights
a year below 32°F
Rain days
115 days
a year with 0.04 in or more
Day counts are from the ERA5 reanalysis for Sheboygan’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.
The weather map: all three models at once
NWS, American, European side by side around Sheboygan and nearby towns.Live rain radar →
Loading the three model maps…
Sheboygan hourly forecast: next 14 hours
consensus of the three models
Rain in the next 24 hours, model by model
each model's own hourly precipitation, side by side
Loading the three models…
Sheboygan 10-day forecast, out to 14 days
where the models agree, and where they split
Today
Fog
61°51°
models agree
Tomorrow
Cloudy
63°53°
±5°
Mon
Cloudy
55°48°
models agree
Tue
Cloudy
55°48°
models agree
Wed
Cloudy
63°53°
models agree
Thu
Partly cloudy
65°51°
±8°
Fri
Partly cloudy
60°49°
±5°
Sat
Light drizzle
60°53°
±5°
Sun
Light drizzle
60°49°
models agree
Mon
Light drizzle
57°42°
±9°
Tue
Cloudy
47°38°
models agree
Wed
Cloudy
50°38°
models agree
Thu
Cloudy
54°40°
±11°
Sheboygan, Wisconsin (WI) is at its warmest in Jul (average highs near 77°F) and coldest in Jan (lows around 16°F), with roughly 35 in of precipitation across the year. Below, compare what NWS, American, European forecast for Sheboygan right now, and see exactly where they disagree.
average daytime high and overnight low across a typical year (1991-2020)
Jan
26°
16°
Feb
32°
16°
Mar
40°
26°
Apr
52°
35°
May
61°
44°
Jun
71°
55°
Jul
77°
61°
Aug
76°
62°
Sep
70°
55°
Oct
58°
43°
Nov
44°
32°
Dec
33°
22°
Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.
How Sheboygan's weather has changed since 1995
30 years of daily data, 1995-2024, shown as change
+1.1°F
Around Sheboygan, the difference between 1995-2004 and 2015-2024 is +1.1°F, within the normal swing from year to year.
1995each stripe is one year2024
cooler than averagearound averagewarmer than average
Days above 77°F
7 more days a year
2015-2024 against 1995-2004. Within the normal year-to-year swing
Frost nights
6 fewer nights a year
2015-2024 against 1995-2004, below 32°F. Within the normal year-to-year swing
Average wind
−2%
2015-2024 against 1995-2004. Within the normal year-to-year swing
Bars: each year against the area's 30-year average. Dashed lines: the average of the first and the last ten years.
See the numbers year by year
Year
Temp vs average
Days >77°F vs avg
Frost nights vs avg
Wind vs avg
1995
−1.5°F
+6
+26
+1%
1996
−3.5°F
−15
+43
+2%
1997
−2.0°F
−17
+15
+1%
1998
+3.0°F
+15
−34
−3%
1999
+1.0°F
+1
−10
+2%
2000
±0.0°F
−15
−5
+2%
2001
+0.5°F
+3
−11
−1%
2002
+0.3°F
+9
+6
+4%
2003
−1.8°F
−7
+6
+2%
2004
−0.6°F
−20
−5
+4%
2005
+1.4°F
+21
+1
−3%
2006
+1.6°F
+7
−20
−1%
2007
+0.5°F
+6
+1
+4%
2008
−1.7°F
−11
+16
+1%
2009
−1.7°F
−14
−1
−4%
2010
+1.8°F
+8
−7
−1%
2011
±0.0°F
+5
−6
+1%
2012
+2.8°F
+19
−23
−3%
2013
−1.7°F
−4
+21
+2%
2014
−4.9°F
−22
+30
−1%
2015
−0.8°F
−2
−0
−1%
2016
+1.8°F
+12
−3
−1%
2017
+0.1°F
−11
−12
+2%
2018
−0.6°F
+8
+26
−3%
2019
−2.4°F
−6
+14
−1%
2020
+0.9°F
+19
−6
+1%
2021
+2.3°F
+6
−6
−4%
2022
−0.8°F
−6
+9
+5%
2023
+2.1°F
+7
−14
−6%
2024
+3.6°F
+2
−37
−3%
Source: NASA POWER daily data from the MERRA-2 reanalysis, 1995-2024. Each value describes a grid square of about 50 km around Sheboygan, not a weather station, and a square that takes in sea or a large lake runs milder than the city itself. That is why this section shows change against the square's own 30-year average rather than counts you could compare with a local station. Rain and snow are left out because their long-term record in this dataset is not consistent over time. "Within the normal year-to-year swing" means the change is smaller than the usual differences between single years.
Which forecast is most accurate in Sheboygan?
CheckWeather Score, graded against the weather that actually happened
Provider
CheckWeather-score
Temp
Wind
Rain
Run by
European ★ Best
84
/100rank #1
84±1.6°F
95±1.6 mph
7687% hit
ECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American
77
/100rank #2
87±1.3°F
95±1.6 mph
5374% hit
NOAA / NCEP (United States)College Park, Maryland, USA
The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.
NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…
One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.
Where the models disagree
temperature and rain, judged separately
Day
Temperature
Rain
Today
±4°59° to 63°
±3%5% to 8% chance
Tomorrow
±5°61° to 66°
±12%6% to 18% chance
Mon
±3°54° to 56°
±12%2% to 14% chance
Tue
±2°54° to 56°
±27%7% to 34% chance
Wed
±3°62° to 64°
±16%19% to 35% chance
The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.
Sunrise and sunset in Sheboygan
today, local time
Sunrise
07:16
Sunset
17:52
Daylight
10h 36m
Common questions
What's the weather in Sheboygan today?
Saturday, October 24: NWS, the American and the European model agree on a high near 61° in Sheboygan today. Tomorrow: cloudy, around 63°, with a 18% chance of rain. The forecast on this page refreshes live.
Will it rain in Sheboygan today or tomorrow?
Rain looks unlikely in Sheboygan on Sunday, October 25: no model gives more than 18% (NWS 6%, American 6%, European 18%). On Saturday, October 24 the highest chance of rain from any model is 8%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Sheboygan?
Over the last 30 days, the European model has been the most accurate for Sheboygan (CheckWeather Score 84/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Sheboygan?
July is typically the warmest month in Sheboygan, with average highs around 77°F.
How cold does Sheboygan get?
The coldest month in Sheboygan is January, when overnight lows average about 16°F.
How much rain does Sheboygan get?
Sheboygan sees roughly 35 in of precipitation a year, with August usually the wettest month.
Is Sheboygan getting warmer?
Not clearly. In NASA's reanalysis for the area around Sheboygan, the difference between 1995-2004 and 2015-2024 is 1.1°F, within the normal swing from year to year.