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Every US forecast, compared
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Waupun weather

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NWSNational Blend (NBM)
63°
Mainly clear
Feels 65° · Wind 4 mph · Humidity 91%
AmericanNOAA GFS
65°
Clear
Feels 67° · Wind 1 mph · Humidity 72%
EuropeanECMWF
65°
Overcast
Feels 66° · Wind 5 mph · Humidity 82%

Latest for Waupun: NWS (National Blend (NBM)): 63° Mainly clear · American (NOAA GFS): 65° Clear · European (ECMWF): 65° Overcast.

The weather map: all three models at once

NWS, American, European side by side around Waupun and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Waupun, WI is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 18°F), with roughly 37 in of precipitation across the year. Below, compare what NWS, American, European forecast for Waupun right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Waupun climate by month

average daytime high and overnight low across a typical year
Jan
29°
18°
Feb
39°
20°
Mar
44°
26°
Apr
57°
37°
May
70°
49°
Jun
79°
59°
Jul
81°
62°
Aug
79°
61°
Sep
76°
57°
Oct
62°
46°
Nov
46°
33°
Dec
36°
24°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Waupun today?
On this page we show what NWS, American, European each forecast for Waupun today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Waupun today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Waupun and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Waupun?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Waupun forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Waupun?
July is typically the warmest month in Waupun, with average highs around 81°F.
How cold does Waupun get?
The coldest month in Waupun is January, when overnight lows average about 18°F.
How much rain does Waupun get?
Waupun sees roughly 37 in of precipitation a year, with August usually the wettest month.

Nearby

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