Wentzville, MO Weather Forecast | 5 Day
Updated: Fri Jun 12th 2026 6:00 AM CDT
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Fri 6-12-26
Sunny with a high of 90°F and a low of 67°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 8mph and gusts of 12.2mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 89% at 7 AM and 30% being its lowest at 2 PM. Barometric pressure is its highest of 30.03inHg at 9 AM, a lowest point of 29.95inHg at 7 PM with an avg 29.98inHg.
- HI: 90°F
- LO: 67°F
- Rainfall: 4%
- Snowfall: 0%
- Wind
7.4 mph - Humidity
66% avg. - UV Index
10 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:28 PM - Moonrise
03:01 AM - Moonset
05:54 PM - Moon Phase
New Moon
Moderate Rain
Weather Tomorrow, Sat 6-13-26
Moderate Rain with a high of 78°F and a low of 63°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.48in. Wind will be moderate, blowing around 13mph on average and gusts of 21.2mph at 9 AM. High humidity with average of 89% is anticipated, the maximum being 98% at 11 PM and 75% being its lowest at 12 AM. Barometric pressure is its highest of 29.96inHg at 12 AM, a lowest point of 29.8inHg at 7 PM with an avg 29.88inHg.
- HI: 78°F
- LO: 63°F
- Rainfall: 87% | est. 0.48in
- Snowfall: 0%
- Wind
13 mph - Humidity
89% avg. - UV Index
9.3 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:29 PM - Moonrise
03:38 AM - Moonset
07:09 PM - Moon Phase
New Moon
Scattered Showers
Sun 6-14-26
Scattered Showers with a high of 73°F and a low of 58°F. Rainfall expected to have a 57% chance with an estimated 0.06in. Wind will be moderate, blowing around 16mph on average and gusts of 21.1mph at 4 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 98% at 2 AM and 51% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.82inHg at 1 AM with an avg 29.94inHg.
- HI: 73°F
- LO: 58°F
- Rainfall: 57% | est. 0.06in
- Snowfall: 0%
- Wind
15.4 mph - Humidity
76% avg. - UV Index
5.5 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:29 PM - Moonrise
04:25 AM - Moonset
08:22 PM - Moon Phase
New Moon
Sunny
Mon 6-15-26
Sunny with a high of 76°F and a low of 53°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 12.7mph at 4 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 86% at 3 AM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.05inHg at 10 AM, a lowest point of 29.89inHg at 8 PM with an avg 30inHg.
- HI: 76°F
- LO: 53°F
- Rainfall: 5%
- Snowfall: 0%
- Wind
8.7 mph - Humidity
66% avg. - UV Index
0.3 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:30 PM - Moonrise
05:25 AM - Moonset
09:27 PM - Moon Phase
New Moon
Scattered Showers
Tue 6-16-26
Scattered Showers with a high of 78°F and a low of 56°F. There might be light rainfall having a 19% chance with an estimated 0.01in. Wind will be moderate, blowing around 11mph on average and gusts of 19mph at 7 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 91% at 10 PM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 1 AM, a lowest point of 29.82inHg at 12 PM with an avg 29.9inHg.
- HI: 78°F
- LO: 56°F
- Rainfall: 19% | est. 0.01in
- Snowfall: 0%
- Wind
10.5 mph - Humidity
71% avg. - UV Index
4 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:30 PM - Moonrise
06:37 AM - Moonset
10:21 PM - Moon Phase
Waxing Crescent
Sunny
Wed 6-17-26
Sunny with a high of 84°F and a low of 58°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 14mph on average and gusts of 27.1mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 95% at 4 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 12 AM, a lowest point of 29.75inHg at 7 PM with an avg 29.83inHg.
- HI: 84°F
- LO: 58°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
13.2 mph - Humidity
70% avg. - UV Index
6 - Air QualityTBA
- Sunrise
05:37 AM - Sunset
08:30 PM - Moonrise
07:55 AM - Moonset
11:04 PM - Moon Phase
Waxing Crescent
This 5-Day weather forecast is valid for ZIP code 63385, accurately covering the area of Wentzville, MO.
Currently
| 69°F |
29.96 inHg.
Barometer 70%
Humidity WNW 7.9 mph Wind |
|
| Sunny | ||
National Outlook
Storms and Heavy Rain Expected in the Great Lakes and Mississippi Valley
Thu Jun 11th 2026, 4:51am PDT
Read
Hot Days and Stormy Weather Ahead - 06-14 to 06-18
Extended Forecast
Thu Jun 11th 2026, 4:52am PDT
Read
Thu Jun 11th 2026, 4:52am PDT

