Weather forecast for todayPetersburg, IL

Weather forecast for today

Current condition 3:51 pm CST

  • 55°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precipitation: 0"
  • Wind: 16mphNNW 330°
  • Humidity: 73%
  • Dewpoint: 46°F
  • Pressure: 29.77"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, there is widespread cloud cover, bringing a cooler and darker setting.
The temperature is a mild 55.4°F, the real-feel reading is estimated at a crisp 51.8°F.

Wednesday Nov 11, 2026

  • min.
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 16mphNNW 332°
  • Humidity: 88%
  • UV index: 0
  • Sunrise: 6:40 am CST
  • Sunset: 4:46 pm CST
  • ▼
In Petersburg, for the rest of Wednesday, mostly clear with scattered clouds is expected.
The lowest predicted temperature is an icy 41°F.
Sunrise was at 6:40 am and sunset will be at 4:46 pm; the daylight will last for 10h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 55°C.
Coldest period: 11 pm - 12 am 43°C.

Chance of precipitation

Highest chance: 4 pm 15%.

Hourly weather forecast

  • 4 pm
  • 55°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 16mphNNW 330°
  • Humidity: 72%
  • Pressure: 29.77"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:46 pm
  • 5 pm
  • 54°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 15mphNNW 342°
  • Humidity: 77%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 15mphN 349°
  • Humidity: 83%
  • 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: 12mphNNW 347°
  • Humidity: 85%
  • 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: 11mphNNW 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
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNNW 336°
  • Humidity: 91%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 7%
  • 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: 7%
  • 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
  • ▼
During the afternoon and for the rest of the day, cloudiness will dominate.
The temperature will be between a maximum of 55.4°F and a minimum of 42.8°F.
Updated: Nov 11, 2026 @ 21:51:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:51 pm CST) in Petersburg is 55.4°F.

Today, variable cloud cover will persist, but sunshine will break through.

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

In Petersburg, today, there will be 10h and 7min of daylight.