Weather Forecast and Radar for St. Peters, Missouri

Current & 7-day weather forecast, weather alerts, and weather radar for St. Peters, Missouri.
All times shown in your local timezone

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Temperature Forecast for St. Peters, Missouri

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Temperature Forecast for St. Peters, Missouri

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Weather Radar for St. Peters, Missouri

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Weather in St. Peters, MO

St. Peters, Missouri experiences the four seasons, with warm summers and cold winters.

In the spring, temperatures range from chilly lows of 37°F to pleasant highs of 72°F. The weather can be quite unpredictable in spring with rain and storms.

In the summer months, temperatures soar to highs of 90°F and higher. The climate is humid, making the weather quite uncomfortable.

Autumn brings cooler temperatures, with lows of 45°F and highs of 73°F. This is a great time of year to enjoy the changing colors of the leaves.

In the winter, temperatures range from lows of 22°F to highs of 48°F. There is usually a few light snowfalls throughout the season.

Fast Facts About St. Peters, MO

As of 2020, the city population is 57536.

Major Cities Nearby St. Peters, MO

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for St. Peters, Missouri.