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. Partly Cloudy with a high near 78°F.

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

The 7-day forecast for Saint Peter shows highs from 63 to 82 degrees and lows from 41 to 61 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: Saturday (90% chance), Sunday (90% chance), Tuesday (20% chance), Wednesday (20% chance), Thursday (20% 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

78°F
Feels Like 78°F

Humidity 62% Dew Point 64°F Wind ESE 1 MPH Gusts 1 Barometer 30.08 in.764.0 mm

Solar Rad 385 w/m2 UV Index 3

Report from a personal weather station 15 miles NNE of central Saint Peter
at 2:45 PM Thu, Oct 16, 2025

Current Conditions

78°F
Feels Like 78°F

Humidity 62% Dew Point 64°F Wind ESE 1 MPH Gusts 1 Barometer 30.08 in.764.0 mm

Solar Rad 385 w/m2 UV Index 3

Report from a personal weather station 15 miles NNE of central Saint Peter
at 2:45 PM Thu, Oct 16, 2025

Point Forecast at a Glance

ThuOct 16

78°

56°

FriOct 17

79°

61°

SatOct 18

80%

82°

49°

SunOct 19

90%

64°

41°

MonOct 20

71°

51°

TueOct 21

20%

71°

42°

WedOct 22

20%

63°

46°

Week Ahead Summary

Sharp cooling trend with temperatures dropping from 78°F to 63°F, falling as low as 63°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 5°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: Partly Cloudy with a high near 78°F. Winds from the E at 6 mph

Night: Mostly Clear with a low near 56°F. Winds from the ESE at 7 mph

Friday Oct 17

Day: Partly Cloudy with a high near 79°F. Winds from the SE at 6 mph

Night: Partly Cloudy with a low near 61°F. Winds from the SSE at 8 mph

Saturday Oct 18

Day: Partly Cloudy with Showers and Chance of Storms with a high near 82°F. Winds from the S at 9 mph. Chance of precipitation is 80%

Night: Partly Cloudy with Showers and Chance of Storms with a low near 49°F. Winds from the SW at 10 mph. Chance of precipitation is 90%

Sunday Oct 19

Day: Partly Cloudy with Showers with a high near 64°F. Winds from the W at 13 mph. Chance of precipitation is 90%

Night: Clear with Light Rain Showers with a low near 41°F. Winds from the W at 7 mph. Chance of precipitation is 20%

Monday Oct 20

Day: Mostly Sunny with a high near 71°F. Winds from the SSW at 3 mph

Night: Partly Cloudy with Showers with a low near 51°F. Winds from the S at 9 mph. Chance of precipitation is 10%

Tuesday Oct 21

Day: Partly Cloudy with Showers with a high near 71°F. Winds from the SSW at 10 mph. Chance of precipitation is 20%

Night: Partly Cloudy with Isolated Showers with a low near 42°F. Winds from the W at 10 mph. Chance of precipitation is 20%

Wednesday Oct 22

Day: Partly Cloudy with Showers with a high near 63°F. Winds from the W at 7 mph. Chance of precipitation is 20%

Night: Partly Cloudy with Showers with a low near 46°F. Winds from the SW at 4 mph. Chance of precipitation is 20%

Thursday Oct 23

Day: Partly Cloudy with Showers with a high near 64°F. Winds from the WSW at 4 mph. Chance of precipitation is 20%

Night: Partly Cloudy with Showers with a low near 43°F. Winds from the WNW at 6 mph. Chance of precipitation is 20%

Friday Oct 24

Day: Mostly Sunny with a high near 63°F. Winds from the W at 3 mph

Night: Mostly Clear with a low near 43°F. Winds from the S at 3 mph

Saturday Oct 25

Day: Mostly Sunny with a high near 64°F. Winds from the SSW at 3 mph

Night: Mostly Clear with a low near 45°F. Winds from the S at 3 mph

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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