What is today's weather forecast for Saint Peter, IL?

Today's forecast for Saint Peter shows a high of 62 degrees and a low of 36 degrees Fahrenheit. Sunny, with a high near 62.

What is the 7-day weather forecast for Saint Peter, IL?

The 7-day forecast for Saint Peter shows highs from 60 to 69 degrees and lows from 33 to 49 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Saint Peter, IL this week?

Yes, rain is possible in Saint Peter this week. Precipitation chances: Friday (27% chance), Saturday (29% chance), Sunday (29% chance), Monday (43% chance), Tuesday (43% chance).

How accurate is the Saint Peter weather forecast?

WeatherForYou provides highly accurate Saint Peter 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 Peter, IL Weather Forecast and Current Conditions (62880)

Current Conditions

46°F
Feels Like 46°F

Humidity 80% Dew Point 40°F Wind WNW 1 MPH Gusts 2 Barometer 29.97 in.761.2 mm

Solar Rad 0 w/m2 UV Index 0

Report from a personal weather station 15 miles NNE of central Saint Peter
at 1:20 AM Wed, Oct 22, 2025

Current Conditions

46°F
Feels Like 46°F

Humidity 80% Dew Point 40°F Wind WNW 1 MPH Gusts 2 Barometer 29.97 in.761.2 mm

Solar Rad 0 w/m2 UV Index 0

Report from a personal weather station 15 miles NNE of central Saint Peter
at 1:20 AM Wed, Oct 22, 2025

Point Forecast at a Glance

WedOct 22

62°

36°

ThuOct 23

62°

33°

FriOct 24

20%

60°

45°

SatOct 25

30%

61°

49°

SunOct 26

30%

65°

48°

MonOct 27

20%

69°

49°

TueOct 28

40%

66°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 60°F to 69°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 4°F below the historical average for October. Normal highs for this period are around 68°F with lows around 44°F.

This Date in Weather History

1988 - A "nor'easter" swept across the coast of New England. Winds gusted to 75 mph, and large waves and high tides caused extensive shoreline flooding. A heavy wet snow blanketed much of eastern New York State, with a foot of snow reported in Lewis County.

Saint Peter 7 Day Weather Forecast Details

Wednesday Oct 22

Day: Sunny, with a high near 62. West wind 10 to 17 mph, with gusts as high as 29 mph.

Night: Areas of frost after 5am. Clear, with a low around 36. West wind 5 to 9 mph.

Thursday Oct 23

Day: Areas of frost before 8am. Sunny, with a high near 62. Northwest wind 3 to 7 mph.

Night: Areas of frost after 3am. Mostly clear, with a low around 33. North wind around 3 mph.

Friday Oct 24

Day: Areas of frost before 8am, then a slight chance of rain showers. Partly sunny, with a high near 60. Chance of precipitation is 20%.

Night: A chance of rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

Saturday Oct 25

Day: A chance of rain showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

Sunday Oct 26

Day: A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.

Night: A slight chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.

Monday Oct 27

Day: A slight chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 20%.

Night: A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.