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Saint Charles County, MO Weather Conditions

Updated: Mon Aug 17th 2026 5:30 AM CDT

Patchy Rain Nearby

75^°F 24^°C

Feels Like 71^°F / 22^°C

Saint Charles County, MO weather condition is Patchy Rain Nearby and 75°F.

Today's Weather in Saint Charles County,MO

The current weather in Saint Charles County MO as of 5:30 AM CDT on Mon Aug 17th 2026, has a sky condition of Patchy Rain Nearby with the visibility of 6 mile(s). It is 75 degrees fahrenheit but feels like 71 degrees. The barometric pressure is 30.26 - measured by inches of mercury - and is steady since its last observation. The humidity is 90 percent that's falling since the last report, with a dew point of 72 degrees fahrenheit which is falling. Wind direction is from the North-Northwest at 21 miles per hour, gusting at 26.9 miles per hour. Sunrise is at 6:18 AM and Sunset is at 7:54 PM. The moon phase is a Waxing Crescent moon rising at 11:50 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:18 AM

Sunset: 7:54 PM

As of:

Moon

Moonrise: 11:50 AM

Moonset: 10:19 PM

Phase: Waxing Crescent Moon

Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Scattered Rain

Scattered Rain with a high of 91°F and a low of 54°F. Probable rainfall forecasted, having a 69% chance with an estimated 0.06in. Winds will be strong at speeds peaking at 28mph. Expect high humidity with levels above 80% to 82%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 91° \| Lo 54°	82%	69% \| est. 0.06in	0%	27.7 mph

Overcast

Overcast with a high of 57°F and a low of 55°F. Probable rainfall forecasted, having a 78% chance with an estimated 0.07in. Winds will be strong at speeds peaking at 31mph. Expect high humidity with levels above 80% to 89%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 57° \| Lo 55°	89%	78% \| est. 0.07in	0%	30.4 mph

Overcast

Overcast with a high of 56°F and a low of 52°F. Probable rainfall forecasted, having a 70% chance with an estimated 0.06in. Winds will be strong at speeds peaking at 28mph. Expect high humidity with levels above 80% to 82%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 56° \| Lo 52°	82%	70% \| est. 0.06in	0%	27.7 mph

Overcast

Overcast with a high of 56°F and a low of 50°F. 38%% possible chance of rain predicted with an estimated 0.01in. Winds will be strong at speeds peaking at 22mph. The humidity will be on the higher side, reaching around 75%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 56° \| Lo 50°	75%	38% \| est. 0.01in	0%	21.9 mph

Scattered Rain

Scattered Rain with a high of 55°F and a low of 53°F. Probable rainfall forecasted, having an 84% chance with an estimated 0.14in. Winds will be strong at speeds peaking at 37mph. Expect high humidity with levels above 80% to 88%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 55° \| Lo 53°	88%	84% \| est. 0.14in	0%	36.9 mph

Yesterday 5-Day Wind

Weather Radar Map

Hourly Temperature

The current temperature today is 75^°F. The morning temperature of 73°^F is lowest at 6am with the daytime high of 91°^F at 2pm and a low around 54°^F at 4pm is expected.

Barometric Pressure Today

The highest pressure today is 30.34^inHg at 12am and lowest being 30.18^inHg at 6pm.

Hourly Wind Speeds

The fastest wind is reported to be 27.7^mph at 5pm, while the slowest is 18.1^mph around 12am; expect wind gusts peaking 39.8^mph at 11pm. View live wind conditions in Saint Charles County

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