Weather forecast for todayPetersburg, IL

Today
Tomorrow
Long-term
YearJFMAMJJASONovemberD

Weather forecast for today

Current condition 10:49 pm CST

  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphW 270°
  • Humidity: 87%
  • Dewpoint: 39°F
  • Pressure: 29.9"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Petersburg, at the moment, an expansive clear sky makes for a picture-perfect day.
The temperature is a frosty 44.6°F, the feels-like temperature is nearly identical at 42.8°F. The current temperature is almost at the minimum-predicted 41°F for today.

Wednesday Nov 11, 2026

  • min.
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphNW 323°
  • Humidity: 89%
  • UV index: 0
  • Sunrise: 6:40 am CST
  • Sunset: 4:46 pm CST
  • ▼
In Petersburg, for the rest of the night, a partly cloudy outlook will keep the sky interesting throughout the day.
The lowest forecasted temperature is a cold 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 period: 2 am - 3 am 45°C.
Coldest hour: 7 am 41°C.

Chance of precipitation

Highest chance: 6 am 11%.

Hourly weather forecast

  • 11 pm
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNNW 330°
  • Humidity: 87%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNW 325°
  • Humidity: 87%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 43°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNW 319°
  • Humidity: 88%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNW 315°
  • Humidity: 89%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 45°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNW 321°
  • Humidity: 90%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNW 323°
  • Humidity: 92%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 43°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphNW 324°
  • Humidity: 91%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphNNW 326°
  • Humidity: 92%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 am
  • 41°F
  • Feels like:
    36°F
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 10mphNNW 332°
  • Humidity: 91%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 am
  • 43°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphNNW 337°
  • Humidity: 88%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Updated: Nov 12, 2026 @ 04:49:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (10:49 pm CST) it is 44.6°F in Petersburg.

On Wednesday, intermittent cloud cover is expected, allowing for some sunshine.

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

Today, the daylight lasted for 10h and 7min.
Today
Tomorrow
Long-term
YearJFMAMJJASONovemberD

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Petersburg, Illinois, USA

  • en: Petersburg, Illinois, USA
  • es: Petersburg, Illinois, EE.UU.
  • hr: Pitersburg, Ilinois, SAD
  • mk: Pitersburg, Ilinois, SAD
  • sr: Pitersburg, Ilinois, SAD
  • zh: 彼得斯堡, 伊利诺伊, 美国
  • Latitude: 40.011715°
  • Longitude: -89.848165°
  • Elevation: 512 ft
  • Current time: 10:49pm CST
  • Sunrise: 6:40 am CST
  • Sunset: 4:46 pm CST
  • Timezone: America/Chicago

Nearby Petersburg, Illinois, USA

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