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

Today's forecast for Saint Peter shows a high of 78 degrees and a low of 56 degrees Fahrenheit. Sunny, with a high near 78.

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

The 7-day forecast for Saint Peter shows highs from 63 to 83 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 Peter, IL this week?

Yes, rain is possible in Saint Peter this week. Precipitation chances: Saturday (85% chance), Sunday (62% chance), Monday (38% chance), Tuesday (38% 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

77°F
Feels Like 77°F

Humidity 64% Dew Point 63°F Wind E 1 MPH Gusts 1 Barometer 30.07 in.763.8 mm

Solar Rad 52 w/m2 UV Index 0

Report from a personal weather station 15 miles NNE of central Saint Peter
at 4:52 PM Thu, Oct 16, 2025

Current Conditions

77°F
Feels Like 77°F

Humidity 64% Dew Point 63°F Wind E 1 MPH Gusts 1 Barometer 30.07 in.763.8 mm

Solar Rad 52 w/m2 UV Index 0

Report from a personal weather station 15 miles NNE of central Saint Peter
at 4:52 PM Thu, Oct 16, 2025

Point Forecast at a Glance

ThuOct 16

78°

56°

FriOct 17

79°

61°

SatOct 18

90%

83°

49°

SunOct 19

60%

63°

41°

MonOct 20

71°

48°

TueOct 21

40%

64°

37°

WedOct 22

64°

42°

Week Ahead Summary

Temperatures start near 78°F, reaching 83°F before cooling to 63°F, then recovering to 64°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 4°F above the historical average for October. Normal highs for this period are around 68°F with lows around 44°F.

This Date in Weather History

1913 - The temperature in Downtown San Francisco soared to 101 degrees to equal their record for October.

Saint Peter 7 Day Weather Forecast Details

Thursday Oct 16

Day: Sunny, with a high near 78. East wind 5 to 9 mph.

Night: Mostly clear, with a low around 56. Southeast wind around 8 mph.

Friday Oct 17

Day: Partly sunny, with a high near 79. Southeast wind 6 to 10 mph.

Night: Partly cloudy, with a low around 61. South wind around 9 mph.

Saturday Oct 18

Day: A chance of rain showers between 7am and 10am, then showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 75 in the afternoon. Southwest wind 7 to 14 mph. Chance of precipitation is 90%.

Night: Showers and thunderstorms. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. Chance of precipitation is 90%.

Sunday Oct 19

Day: Showers and thunderstorms likely before 7am. Sunny, with a high near 63. Chance of precipitation is 60%.

Night: Clear, with a low around 41.

Monday Oct 20

Day: Sunny, with a high near 71.

Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 48. Chance of precipitation is 40%.

Tuesday Oct 21

Day: A chance of rain showers before 1pm. Sunny, with a high near 64. Chance of precipitation is 40%.

Night: Mostly clear, with a low around 37.

Wednesday Oct 22

Day: Sunny, with a high near 64.

Night: Mostly clear, with a low around 42.

Sun & Moon Monthly

First Light 6:40 AM

Sunrise 7:07 AM

Sunset 6:17 PM

Last Light 6:43 PM

Moonrise 2:13 AM

Moonset 4:09 PM

Moon Phase

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