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Now · 10:02 AM

Wentzville Weather & Hourly Forecast

United States · Missouri · 63385

Sunny
78°F
Sunny
Feels like: 78°F
💧 Humidity 66% 🌡 Pressure 30.15 inHg 💨 Wind 5 mph 👁 Visibility 6.2 mi Clouds 0% ☀️ UV index 6.0 · High 🌅 Sunrise 6:29 AM 🌇 Sunset 7:40 PM

Hourly Forecast for Wentzville

Today
Sunny · 11:00 AM Sunny
78° 💧 None 💨 5 mph H 66%30.15 inHg
Sunny · 2:00 PM Sunny
82° 💧 None 💨 6 mph H 48%30.09 inHg
Sunny · 5:00 PM Sunny
83° 💧 None 💨 7 mph H 35%30.06 inHg
Clear night · 8:00 PM Clear night
75° 💧 None 💨 7 mph H 58%30.06 inHg
Partly cloudy night · 11:00 PM Partly cloudy night
71° 💧 None 💨 5 mph H 67%30.09 inHg
Tomorrow
Clear night · 2:00 AM Clear night
69° 💧 None 💨 5 mph H 76%30.09 inHg
Partly cloudy night · 5:00 AM Partly cloudy night
66° 💧 None 💨 6 mph H 84%30.09 inHg
Overcast · 8:00 AM Overcast
68° 💧 None 💨 5 mph H 76%30.12 inHg
Mostly cloudy · 11:00 AM Mostly cloudy
82° 💧 None 💨 7 mph H 47%30.09 inHg
Overcast · 2:00 PM Overcast
91° 💧 None 💨 6 mph H 30%30.03 inHg
Overcast · 5:00 PM Overcast
90° 💧 None 💨 7 mph H 34%29.94 inHg
Overcast night · 8:00 PM Overcast night
79° 💧 None 💨 8 mph H 47%29.94 inHg
Overcast night · 11:00 PM Overcast night
74° 💧 None 💨 9 mph H 49%29.97 inHg
Sunday
Mostly cloudy night · 2:00 AM Mostly cloudy night
72° 💧 None 💨 10 mph H 50%29.94 inHg
Mostly cloudy night · 5:00 AM Mostly cloudy night
70° 💧 None 💨 7 mph H 56%29.94 inHg
Overcast · 8:00 AM Overcast
73° 💧 None 💨 8 mph H 54%30.00 inHg

In Wentzville and, more broadly, across the state of Missouri: This morning will begin with mostly sunny skies and just a few clouds drifting through the area. Temperatures are expected to be warm, with morning lows around 60 degrees and daytime highs reaching up to 87 degrees. Winds will be light, coming from the northeast at around 7 mph, with occasional gusts up to 8 mph. No precipitation is expected throughout the day, so it will remain dry and mostly clear. As the afternoon progresses, the weather will stay consistent with warm temperatures and gentle breezes, making for a comfortable day overall. It's a good day to enjoy outdoor activities in the sunshine.

15-Day Weather Outlook for Wentzville

TomorrowTomorrow Mostly cloudy Mostly cloudy 92°/65° 💧 None 💨 9 mph
Sunday, Aug 30Sun Aug 30 Mostly cloudy Mostly cloudy 102°/69° 💧 None 💨 12 mph
Monday, Aug 31Mon Aug 31 Mostly sunny Mostly sunny 105°/79° 💧 None 💨 15 mph
Tuesday, Sep 1Tue Sep 1 Sunny Sunny 103°/76° 💧 None 💨 12 mph
Wednesday, Sep 2Wed Sep 2 Sunny Sunny 103°/76° 💧 None 💨 12 mph
Thursday, Sep 3Thu Sep 3 Sunny Sunny 103°/79° 💧 None 💨 11 mph
Friday, Sep 4Fri Sep 4 Light rain Light rain 101°/79° 💧 0.01 in 💨 9 mph
Saturday, Sep 5Sat Sep 5 Overcast Overcast 102°/76° 💧 None 💨 9 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 100°/73° 💧 0.02 in 💨 11 mph
Monday, Sep 7Mon Sep 7 Mostly sunny Mostly sunny 95°/67° 💧 None 💨 13 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 91°/62° 💧 None 💨 9 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 71°/64° 💧 0.08 in 💨 8 mph
Thursday, Sep 10Thu Sep 10 Partly cloudy Partly cloudy 87°/61° 💧 None 💨 6 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 91°/58° 💧 None 💨 9 mph
Saturday, Sep 12Sat Sep 12 Moderate rain Moderate rain 98°/70° 💧 0.36 in 💨 18 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Wentzville

Vertical axis: °F · Color based on temperature
Sunny at 11:00 AM
78° Today 11:00 AM
Sunny at 12:00 PM
78° 12:00 PM
Sunny at 1:00 PM
80° 1:00 PM
Sunny at 2:00 PM
82° 2:00 PM
Sunny at 3:00 PM
83° Today 3:00 PM
Sunny at 4:00 PM
84° 4:00 PM
Sunny at 5:00 PM
83° 5:00 PM
Sunny at 6:00 PM
82° 6:00 PM
Sunny at 7:00 PM
78° Today 7:00 PM
Clear night at 8:00 PM
75° 8:00 PM
Clear night at 9:00 PM
73° 9:00 PM
Partly cloudy night at 10:00 PM
72° 10:00 PM
Partly cloudy night at 11:00 PM
71° Today 11:00 PM
Mostly cloudy night at 12:00 AM
70° 12:00 AM
Partly cloudy night at 1:00 AM
70° 1:00 AM
Clear night at 2:00 AM
69° 2:00 AM
Partly cloudy night at 3:00 AM
68° Tomorrow 3:00 AM
Partly cloudy night at 4:00 AM
66° 4:00 AM
Partly cloudy night at 5:00 AM
66° 5:00 AM
Partly cloudy night at 6:00 AM
65° 6:00 AM
Mostly cloudy at 7:00 AM
65° Tomorrow 7:00 AM
Overcast at 8:00 AM
68° 8:00 AM
Mostly cloudy at 9:00 AM
74° 9:00 AM
Mostly cloudy at 10:00 AM
79° 10:00 AM
Mostly cloudy at 11:00 AM
82° Tomorrow 11:00 AM
Mostly cloudy at 12:00 PM
84° 12:00 PM
Mostly cloudy at 1:00 PM
90° 1:00 PM
Overcast at 2:00 PM
91° 2:00 PM
Overcast at 3:00 PM
92° Tomorrow 3:00 PM
Overcast at 4:00 PM
91° 4:00 PM
Overcast at 5:00 PM
90° 5:00 PM
Overcast at 6:00 PM
86° 6:00 PM
Overcast at 7:00 PM
83° Tomorrow 7:00 PM
Overcast night at 8:00 PM
79° 8:00 PM
Overcast night at 9:00 PM
75° 9:00 PM
Overcast night at 10:00 PM
74° 10:00 PM
Overcast night at 11:00 PM
74° Tomorrow 11:00 PM
Overcast night at 12:00 AM
74° 12:00 AM
Overcast night at 1:00 AM
72° 1:00 AM
Mostly cloudy night at 2:00 AM
72° 2:00 AM
Overcast night at 3:00 AM
72° Sunday 3:00 AM
Overcast night at 4:00 AM
72° 4:00 AM
Mostly cloudy night at 5:00 AM
70° 5:00 AM
Overcast night at 6:00 AM
69° 6:00 AM
Overcast at 7:00 AM
70° Sunday 7:00 AM
Overcast at 8:00 AM
73° 8:00 AM
Overcast at 9:00 AM
79° 9:00 AM
Mostly cloudy at 10:00 AM
84° 10:00 AM
Mostly cloudy at 11:00 AM
89° Sunday 11:00 AM
Overcast at 12:00 PM
93° 12:00 PM
Mostly cloudy at 1:00 PM
97° 1:00 PM
Mostly sunny at 2:00 PM
100° 2:00 PM
Mostly sunny at 3:00 PM
101° Sunday 3:00 PM
Mostly sunny at 4:00 PM
102° 4:00 PM
Partly cloudy at 5:00 PM
101° 5:00 PM
Partly cloudy at 6:00 PM
97° 6:00 PM
Partly cloudy at 7:00 PM
89° Sunday 7:00 PM
Partly cloudy night at 8:00 PM
85° 8:00 PM
Partly cloudy night at 9:00 PM
84° 9:00 PM
Mostly cloudy night at 10:00 PM
82° 10:00 PM
Mostly cloudy night at 11:00 PM
82° Sunday 11:00 PM
Mostly cloudy night at 12:00 AM
82° 12:00 AM
Mostly cloudy night at 1:00 AM
82° 1:00 AM
Mostly cloudy night at 2:00 AM
82° 2:00 AM
Partly cloudy night at 3:00 AM
82° Monday 3:00 AM
Mostly clear night at 4:00 AM
82° 4:00 AM
Mostly clear night at 5:00 AM
81° 5:00 AM
Mostly clear night at 6:00 AM
80° 6:00 AM
Mostly sunny at 7:00 AM
79° Monday 7:00 AM
Partly cloudy at 8:00 AM
80° 8:00 AM
Mostly sunny at 9:00 AM
85° 9:00 AM
Mostly sunny at 10:00 AM
90° 10:00 AM
Mostly sunny at 11:00 AM
95° Monday 11:00 AM
Mostly sunny at 12:00 PM
99° 12:00 PM
Mostly sunny at 1:00 PM
102° 1:00 PM
Sunny at 2:00 PM
104° 2:00 PM
Sunny at 3:00 PM
105° Monday 3:00 PM
Mostly sunny at 4:00 PM
105° 4:00 PM
Partly cloudy at 5:00 PM
104° 5:00 PM
Partly cloudy at 6:00 PM
102° 6:00 PM
Partly cloudy at 7:00 PM
94° Monday 7:00 PM
Mostly clear night at 8:00 PM
88° 8:00 PM
Mostly clear night at 9:00 PM
86° 9:00 PM
Mostly clear night at 10:00 PM
85° 10:00 PM
Mostly clear night at 11:00 PM
84° Monday 11:00 PM
Mostly clear night at 12:00 AM
82° 12:00 AM
Mostly clear night at 1:00 AM
82° 1:00 AM
Mostly clear night at 2:00 AM
81° 2:00 AM
Mostly clear night at 3:00 AM
81° Tuesday 3:00 AM
Clear night at 4:00 AM
79° 4:00 AM
Clear night at 5:00 AM
77° 5:00 AM
Mostly clear night at 6:00 AM
76° 6:00 AM
Mostly sunny at 7:00 AM
76° Tuesday 7:00 AM
Sunny at 8:00 AM
79° 8:00 AM
Sunny at 9:00 AM
85° 9:00 AM
Sunny at 10:00 AM
91° 10:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Wentzville

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 11:00 AM
PM2.5 Fine particles Good 4,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 81,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Wentzville

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 8,0Very high 🙂Fair
Tomorrow UV 7,0High 🙂Fair
Sunday UV 9,0Very high 😐Moderate
Monday UV 9,0Very high 😐Moderate
Tuesday UV 9,0Very high 🙂Fair
Wednesday UV 9,0Very high Unavailable
Thursday UV 9,0Very high Unavailable
Hourly UV index today
11:00 AMUV 8,0 12:00 PMUV 8,0 1:00 PMUV 8,0 2:00 PMUV 8,0 3:00 PMUV 8,0 4:00 PMUV 7,0 5:00 PMUV 7,0 6:00 PMUV 7,0 7:00 PMUV 7,0
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Wentzville

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 11:00 AM 12:00 PM 1:00 PM 2:00 PM Today 3:00 PM 4:00 PM 5:00 PM 6:00 PM Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Sunday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Sunday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Sunday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Sunday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Sunday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Sunday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Monday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Monday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Monday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Monday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Monday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Monday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tuesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tuesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM
Sustained wind Max gusts
Internal PR simulation: 4.59 Population: 47,061

Forecast data for Wentzville were last refreshed today at 10:02 AM. The current forecast period extends through 30/08/2026 at 8:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.