Weather forecast for todayPetersburg, IL

Weather forecast for today

Current condition 5:04 pm CST

  • 54°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 12mphNNW 330°
  • Humidity: 72%
  • Dewpoint: 45°F
  • Pressure: 29.81"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Petersburg, patches of clouds are drifting across the sky.
The temperature is a cool 53.6°F, the real-feel reading is evaluated at a chilly 48.2°F. The current temperature is still relatively far from the lowest anticipated temperature of 41°F.

Wednesday Nov 11, 2026

  • min.
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 14mphNNW 332°
  • Humidity: 88%
  • UV index: 0
  • Sunrise: 6:40 am CST
  • Sunset: 4:46 pm CST
  • ▼
During the evening and for the rest of the night, a mix of clouds and blue sky is expected.
The lowest forecasted temperature is an icy 41°F.
Sunrise was at 6:40 am and sunset at 4:46 pm; the daylight lasted for 10h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 6 pm 50°C.
Coldest period: 11 pm - 1 am 43°C.

Chance of precipitation

Highest chance: 1 am 8%.

Hourly weather forecast

  • 6 pm
  • 50°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphN 349°
  • Humidity: 78%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 48°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphNNW 347°
  • Humidity: 84%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphNNW 343°
  • Humidity: 87%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNNW 340°
  • Humidity: 88%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNW 336°
  • Humidity: 91%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNW 330°
  • Humidity: 92%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNW 326°
  • Humidity: 93%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 43°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphNW 320°
  • Humidity: 92%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphNW 315°
  • Humidity: 90%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 43°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphNW 320°
  • Humidity: 90%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the evening and for the rest of the night, the weather will be unstable. The temperature will be between a maximum of 50°F and a minimum of 42.8°F.
Updated: Nov 11, 2026 @ 23:04:04 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (5:04 pm CST) it is 53.6°F in Petersburg. Feels-like temperature is 48.2°F.

Today, clouds and sunshine will create a dynamic sky throughout the day.

On Wednesday, in Petersburg, sunrise was at 6:40 am and sunset at 4:46 pm (CST).

Today in Petersburg, the length of the day was 10h and 7min.