What is today's weather forecast for Saint Peters, MO?

Today's forecast for Saint Peters shows a low of 61 degrees Fahrenheit. Increasing clouds, with a low around 61.

What is the 7-day weather forecast for Saint Peters, MO?

The 7-day forecast for Saint Peters shows highs from 57 to 78 degrees and lows from 37 to 61 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Saint Peters, MO this week?

Yes, rain is possible in Saint Peters this week. Precipitation chances: Monday (60% chance), Wednesday (50% chance), Thursday (60% chance), Friday (40% chance).

How accurate is the Saint Peters weather forecast?

WeatherForYou provides highly accurate Saint Peters forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Saint Peters, MO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

64°F
Feels Like 64°F

Humidity 75% Dew Point 56°F Wind Calm Barometer 29.91 in.759.7 mm

Report from a personal weather station 1.8 miles W of central Saint Peters
at 6:30 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

40%

TueNov 18

WedNov 19

30%

ThuNov 20

60%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 78°F to a low of 57°F, then recover to 63°F by week's end. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 7°F above the historical average for November. Normal highs for this period are around 55°F with lows around 35°F.

This Date in Weather History

1964 - With the help of a fresh three inch cover of snow, the temperature at Ely, NV, dipped to 15 degrees below zero to establish an all-time record low for the month of November. That record of -15 degrees was later equalled on the 19th of November in 1985.

Saint Peters, MO 7 Day Weather Forecast Details

Friday Nov 14

Night: Increasing clouds, with a low around 61. Southwest wind 5 to 8 mph.

Saturday Nov 15

Day: Mostly sunny, with a high near 78. Southwest wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

Night: Mostly clear, with a low around 43. North wind 5 to 7 mph.

Sunday Nov 16

Day: Sunny, with a high near 60. North wind 3 to 5 mph.

Night: Mostly clear, with a low around 37. Light and variable wind.

Monday Nov 17

Day: A 40 percent chance of rain after noon. Mostly sunny, with a high near 57.

Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Tuesday Nov 18

Day: Partly sunny, with a high near 60.

Night: Mostly cloudy, with a low around 39.

Wednesday Nov 19

Day: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 58.

Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46.

Thursday Nov 20

Day: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44.

Friday Nov 21

Day: A 40 percent chance of rain. Partly sunny, with a high near 59.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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