Webget saint peters, mo current weather report with temperature, feels like, wind, humidity, pressure, uv and more from theweathernetwork. com. Web — saint peters weather forecasts. Current conditions and forecasts including 7 day outlook, daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill. Peters, mo weather forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. Webhourly weather forecast in st. Check current conditions in st. Peters, mo with radar, hourly, and more. Web — saint peters mo. Click here for hazard details and duration. Now until 6:00pm fri. Webcity of saint peters 14 day extended forecast. Weather today weather hourly 14 day forecast yesterday/past weather climate (averages) currently: Mostly sunny, with a high near 68. East southeast wind between 8 and 10 mph. Showers likely and possibly a thunderstorm, mainly after. Peters is a city in st. Charles county, missouri, united states. The national weather service reported 12. 3 inches (310 mm) of rainfall in st. Peters for july 26,.