What is today's weather forecast for Wentzville, MO?

Today's forecast for Wentzville shows a low of 12 degrees Fahrenheit. A chance of flurries before 4am.

What is the 7-day weather forecast for Wentzville, MO?

The 7-day forecast for Wentzville shows highs from 22 to 49 degrees and lows from 12 to 33 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Wentzville, MO this week?

Yes, rain is possible in Wentzville this week. Precipitation chances: Saturday (20% chance), Sunday (20% chance), Wednesday (20% chance).

How accurate is the Wentzville weather forecast?

WeatherForYou provides highly accurate Wentzville forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Wentzville, MO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

24°F
Feels Like 16°F

Humidity 77% Dew Point 18°F Wind N 7 MPH Gusts 14 Barometer 30.34 in.

Report from a personal weather station 1.7 mi. SSE of central Wentzville
at 2:10 AM Thu, Dec 4, 2025

Point Forecast at a Glance

WedDec 3

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

20%

MonDec 8

TueDec 9

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 22°F to a high of 44°F by week's end. Some snow possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for December. Normal highs for this period are around 44°F with lows around 26°F.

This Date in Weather History

1982 - The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record.

Wentzville, MO 7 Day Weather Forecast Details

Wednesday Dec 3

Night: A chance of flurries before 4am. Cloudy, with a low around 12. North wind 7 to 10 mph, with gusts as high as 21 mph.

Thursday Dec 4

Day: Mostly cloudy, then gradually becoming sunny, with a high near 22. North wind around 6 mph becoming calm in the afternoon.

Night: Partly cloudy, with a low around 13. Calm wind becoming south around 5 mph after midnight.

Friday Dec 5

Day: Sunny, with a high near 40. Calm wind becoming southwest around 6 mph.

Night: Partly cloudy, with a low around 24. Light southwest wind.

Saturday Dec 6

Day: Partly sunny, with a high near 38.

Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23.

Sunday Dec 7

Day: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

Night: Mostly cloudy, with a low around 14.

Monday Dec 8

Day: Mostly sunny, with a high near 32.

Night: Partly cloudy, with a low around 23.

Tuesday Dec 9

Day: Mostly sunny, with a high near 44.

Night: Mostly cloudy, with a low around 33.

Wednesday Dec 10

Day: A 20 percent chance of rain. Partly sunny, with a high near 49.

About Wentzville, MO

Wentzville is an exurb of St. Louis that is located in western St. Charles County, Missouri, United States. As of the 2024 U.S. Census Bureau estimates, the city had a total population of 48,646, making it the 15th-largest city in Missouri. Wentzville has been the fastest growing city in Missouri, by percentage population increase from 2000 to 2020.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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