Saint Peters, MO Weather

Updated: Wed Jun 18th 2025 7:15 AM CDT

Sunny

74^°F 23^°C

Feels Like 78^°F / 26^°C

Saint Peters, MO weather condition is Sunny and 74°F.

Today's Weather in Saint Peters,MO

The current weather in Saint Peters MO as of 7:15 AM CDT on Wed Jun 18th 2025, has a sky condition of Sunny with the visibility of 9 mile(s) and the UV index at 0.3. It is 74 degrees fahrenheit but feels like 78 degrees. The barometric pressure is 29.81 - measured by inches of mercury - and is rising since its last observation. The humidity is 91 percent that's steady since the last report, with a dew point of 75 degrees fahrenheit which is rising. Wind direction is from the South at 6 miles per hour, gusting at 10.2 miles per hour. Sunrise was at 5:38 AM and Sunset is at 8:30 PM. The moon phase is a Last Quarter moon rising at 12:53 AM. Thank you for listening to the weather report from LocalConditions.com!

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Barometer 29.81 inHg. rising
Humidity 91% steady
Heat Index 82°F
Wind from S. 6 mph
Wind Gust 10.2 miles per hour
Wind Chill 77°F
UV Index 0.3

Dew Point 75°F rising
Visibility 9 mi.
Sunrise 5:38 AM
Sunset 8:30 PM
Moonrise 12:53 AM
Moonset 12:59 PM
Moon Phase Last Quarter Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Partly Cloudy

Partly Cloudy with a high of 86°F and a low of 65°F. Winds will be light at 8mph at times. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 86° \| Lo 65°	76%	0%	0%	7.8 mph

Partly Cloudy

Partly Cloudy with a high of 88°F and a low of 74°F. Winds will be moderate, blowing around 11mph. The humidity will be on the higher side, reaching around 68%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 88° \| Lo 74°	68%	0%	0%	11 mph

Sunny

Sunny with a high of 96°F and a low of 75°F. Winds will be moderate, blowing around 14mph. The humidity will be on the higher side, reaching around 68%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 96° \| Lo 75°	68%	0%	0%	13.9 mph

Sunny

Sunny with a high of 95°F and a low of 74°F. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 63%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 95° \| Lo 74°	63%	0%	0%	11.4 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 95°F and a low of 76°F. Probable rainfall forecasted, having a 77% chance with an estimated 0.01in. Winds will be light at 8mph at times. The humidity will be on the higher side, reaching around 66%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 95° \| Lo 76°	66%	77% \| est. 0.01in	0%	7.8 mph

Yesterday Tomorrow 5-Day

Weather Radar Map

Live Saint Peters, MO weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Sunday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 74^°F. The morning temperature of 74°^F is lowest at 7am with the daytime high of 79°^F at 1pm and a low around 70°^F at 11pm is expected.