Weather forecast for todaySaint Peter, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 8:07 pm CDT

  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphWSW 240°
  • Humidity: 76%
  • Dewpoint: 39°F
  • Pressure: 30.48"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
At the moment, in Saint Peter, the weather remains clear and calm throughout the day.
The temperature is a chilly 46.4°F. The current temperature is a few degrees off the lowest predicted temperature.

Saturday Oct 17, 2026

  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 124°
  • Humidity: 81%
  • UV index: 0
  • Sunrise: 7:07 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
For the rest of Saturday, a stunningly clear sky is on the horizon.
The lowest temperature will be an icy 37.4°F.
Sunrise was at 7:07 am and sunset at 6:14 pm; the daylight lasted for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 9 pm 45°C.
Coldest period: 3 am - 5 am 39°C.

Chance of precipitation

Highest chance: 4 am - 5 am 3%.

Hourly weather forecast

  • 9 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphE 83°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 96°
  • Humidity: 84%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 116°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 124°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 130°
  • Humidity: 78%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 143°
  • Humidity: 80%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 135°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSE 135°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSE 137°
  • Humidity: 82%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 136°
  • Humidity: 85%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of the night, the weather will be unstable. The temperature will vary between the highest temperature of 44.6°F and the lowest temperature of 42.8°F.
Updated: Oct 18, 2026 @ 01:07:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 8:07 pm CDT, the temperature is 46.4°F.

On Saturday, expect no clouds in sight and perfectly clear weather.

On Saturday, in Saint Peter, sunrise was at 7:07 am and sunset at 6:14 pm (CDT).

Today in Saint Peter, the daylight lasted for 11h and 7min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Latest news

Hurricane Polo Becomes Category 4 Storm in the Eastern Pacific as Heavy Rain Threatens Southwestern Mexico
Hurricane Polo Forecast: Category 4 Storm Threatens Mexico Coast With Heavy Rain, Flooding and Landslides
Category 5 Hurricane Lowell Spins South of Hawaii as Forecasters Watch Pacific Storms for Possible Surf, Rain and Coastal Impacts
Hurricane Lowell Forecast: Category 5 Storm South of Hawaii, Marie Watched Near Southern California
Tropical Storm Lala Rakes Hawaii With Fierce Winds, Flooding Rain and Landslides After Brushing the Big Island
Hawaii Storm Lala: Flooding, Landslides, Power Outages and More Than 100 Homes Damaged
Arctic air sweeps across the U.S., dumping deep snow on the Great Lakes and freezing the South
Arctic blast unleashes over a foot of snow in Great Lakes, record lows in the South and Florida
Tornado Tears Through Northeastern Wisconsin, Blackening the Midday Sky and Leaving Menasha Without Power
Wisconsin Tornado: Menasha and Appleton Hit by Destructive Storm, Power Out for Thousands
Deadly Flash Flooding Devastates North-Central West Virginia After Torrential Rain Swamps Homes, Roads and Businesses
West Virginia Flooding: 2 Dead, 1,000 Homes and Businesses Damaged After Flash Floods

Saint Peter, Illinois, USA

  • en: Saint Peter, Illinois, USA
  • es: St. Peter, Illinois, EE.UU.
  • hr: Sent Piter, Ilinois, SAD
  • mk: Sent Piter, Ilinois, SAD
  • sr: Sent Piter, Ilinois, SAD
  • zh: 圣彼得, 伊利诺伊, 美国
  • Latitude: 38.868102°
  • Longitude: -88.853946°
  • Elevation: 597 ft
  • Current time: 8:07pm CDT
  • Sunrise: 7:07 am CDT
  • Sunset: 6:14 pm CDT
  • Timezone: America/Chicago

Nearby Saint Peter, Illinois, USA

Illinois, USA - most visited locations