Weather in Saint Peters, Missouri, United States

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7-Day Detailed Weather Forecast for Saint Peters

Overnight

Temperature: 65°F

Wind Speed: 3 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 65. Southeast wind around 3 mph.

Saturday

Temperature: 85°F

Wind Speed: 5 to 8 mph

Wind Direction: S

Forecast: Isolated showers and thunderstorms before 8am, then scattered showers and thunderstorms between 8am and 9am, then scattered showers and thunderstorms. Partly sunny, with a high near 85. South wind 5 to 8 mph. Chance of precipitation is 30%.

Saturday Night

Temperature: 65°F

Wind Speed: 5 to 12 mph

Wind Direction: SW

Forecast: Showers and thunderstorms before 2am, then scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 65. Southwest wind 5 to 12 mph. Chance of precipitation is 90%.

Sunday

Temperature: 77°F

Wind Speed: 13 mph

Wind Direction: NW

Forecast: Isolated rain showers before 7am. Partly sunny, with a high near 77. Northwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Sunday Night

Temperature: 56°F

Wind Speed: 1 to 10 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 56. Northwest wind 1 to 10 mph.

Monday

Temperature: 78°F

Wind Speed: 1 to 6 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 78.

Monday Night

Temperature: 57°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 57.

Tuesday

Temperature: 82°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 82.

Tuesday Night

Temperature: 62°F

Wind Speed: 5 to 9 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

Wednesday

Temperature: 86°F

Wind Speed: 5 to 17 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Wednesday Night

Temperature: 68°F

Wind Speed: 13 to 17 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 70%.

Thursday

Temperature: 86°F

Wind Speed: 8 to 12 mph

Wind Direction: W

Forecast: Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 70%.

Thursday Night

Temperature: 64°F

Wind Speed: 2 to 8 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.

Juneteenth

Temperature: 86°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.