Weather in Saint Peters, Missouri, United States

7-Day Detailed Weather Forecast for Saint Peters

This Afternoon

Temperature: 89°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Partly sunny, with a high near 89. Heat index values as high as 100. East wind around 5 mph.

Tonight

Temperature: 75°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Isolated showers and thunderstorms between 1am and 5am. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%.

Tuesday

Temperature: 93°F

Wind Speed: 3 to 7 mph

Wind Direction: SE

Forecast: Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.

Tuesday Night

Temperature: 78°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Heat index values as high as 106. Southeast wind around 6 mph. Chance of precipitation is 20%.

Wednesday

Temperature: 97°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 97. South wind around 6 mph.

Wednesday Night

Temperature: 78°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 78.

Thursday

Temperature: 98°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Sunny, with a high near 98.

Thursday Night

Temperature: 76°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 76.

Friday

Temperature: 94°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.

Friday Night

Temperature: 75°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Saturday

Temperature: 94°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 94. Chance of precipitation is 30%.

Saturday Night

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

Sunday

Temperature: 95°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 95.

Sunday Night

Temperature: 75°F

Wind Speed: 3 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 75.