Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USWentzville

Wentzville weather

Loading live data…

The weather map: all three models at once

NWS, American, European side by side around Wentzville and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Wentzville, MO is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 27°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Wentzville 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.

Wentzville climate by month

average daytime high and overnight low across a typical year
Jan
42°
27°
Feb
54°
33°
Mar
58°
38°
Apr
69°
47°
May
79°
58°
Jun
87°
66°
Jul
88°
69°
Aug
86°
69°
Sep
81°
62°
Oct
71°
51°
Nov
57°
40°
Dec
48°
34°

Which forecast is most accurate in Wentzville?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
87
/100rank #1
92±0.8°F96±1.2 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
83±1.7°F95±1.7 mph4268% 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 Wentzville today?
On this page we show what NWS, American, European each forecast for Wentzville 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 Wentzville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Wentzville 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 Wentzville?
Over the last 30 days, the European model has been the most accurate for Wentzville (CheckWeather Score 87/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Wentzville?
July is typically the warmest month in Wentzville, with average highs around 88°F.
How cold does Wentzville get?
The coldest month in Wentzville is January, when overnight lows average about 27°F.
How much rain does Wentzville get?
Wentzville sees roughly 42 in of precipitation a year, with March usually the wettest month.

Nearby

More US weather