Weather forecast for 10 days
Petersburg, IL

Weather forecast for the weekend

Saturday, Apr 19.

Rain
6:13 am

7:43 pm
CDT
Rain
57°F / 48°F
  • Wind: 10mph NNW
  • Humidity: 76%
  • Precip. probability: 68%
  • Precipitation: 0.67"
  • UV index: 3
On Saturday, April 19, persistent showers will keep conditions wet.
With a high probability, moderate precipitation is predicted. Daytime will witness a high of a moderate 57.2°F, slightly diverging from the anticipated night low of a frosty 48.2°F.
The high temperature will be a couple of degrees lower than the typical April level of 63°F.
Sunrise will be at 6:13 am and sunset at 7:43 pm; the daylight will last for 13h and 30min.

Sunday, Apr 20.

Rain
6:11 am

7:44 pm
CDT
Rain
59°F / 48°F
  • Wind: 17mph ESE
  • Humidity: 74%
  • Precip. probability: 91%
  • Precipitation: 0.98"
  • UV index: 3
On Sunday, in Petersburg, rain is forecasted, keeping the day wet and gloomy.
Substantial precipitation is predicted. A temperature range of a mild 59°F to a chilly 48.2°F is expected.
Anticipated temperatures are trending relatively lower than April's climate norm of 63°F.
Sunrise will be at 6:11 am and sunset at 7:44 pm; the daylight will last for 13h and 32min.

Frequently asked questions

What is the weather forecast for Petersburg for Saturday?
On Saturday, rain is in the forecast, making for a wet and cloudy day.
Will it rain on Saturday?
With a probability of 68%, moderate precipitation of 0.67" is expected on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 57.2°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Petersburg for Sunday?
On Sunday, in Petersburg, rain showers are expected, with damp conditions lasting through the day.
Will it rain on Sunday?
Yes, it will rain on Sunday. High precipitation of 0.98" is anticipated on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 59°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Petersburg for the next ten days?
In Petersburg, weather will be unstable, and a combination of gloomy, showery, sunny and stormy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Thursday through Sunday, Tuesday, next Thursday and Friday in Petersburg. Sunday, with substantial precipitation of 0.98", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 57.2°F and 80.6°F, as the minimum temperature will be between 44.6°F and 62.6°F.
What will be the warmest and the coldest days?
Friday will be the warmest day, with a maximum temperature of 80.6°F. The coldest day will be Saturday, with a maximum of 57.2°F.

Long-term weather forecast

WedApr 16.
  • min.
  • 54°F
Cloudy
Cloudy
  • Wind: 14mph SSE
  • Humidity: 43%
  • UV index: 0
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:17 am 7:40 pm CDT
ThuApr 17.
  • 72°F
  • 63°F
AM Showers / Wind
AM Showers / Wind
  • Wind: 22mph SSE
  • Humidity: 56%
  • UV index: 5
  • Precip. probability: 53%
  • Precipitation: 0.08"
  • 6:16 am 7:41 pm CDT
FriApr 18.
  • 81°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 19mph SSW
  • Humidity: 62%
  • UV index: 3
  • Precip. probability: 24%
  • Precipitation: 0.87"
  • 6:14 am 7:42 pm CDT
SatApr 19.
  • 57°F
  • 48°F
Rain
Rain
  • Wind: 10mph NNW
  • Humidity: 76%
  • UV index: 3
  • Precip. probability: 68%
  • Precipitation: 0.67"
  • 6:13 am 7:43 pm CDT
SunApr 20.
  • 59°F
  • 48°F
Rain
Rain
  • Wind: 17mph ESE
  • Humidity: 74%
  • UV index: 3
  • Precip. probability: 91%
  • Precipitation: 0.98"
  • 6:11 am 7:44 pm CDT
MonApr 21.
  • 59°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph W
  • Humidity: 72%
  • UV index: 7
  • Precip. probability: 17%
  • Precipitation: 0"
  • 6:10 am 7:45 pm CDT
TueApr 22.
  • 73°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph S
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 12%
  • Precipitation: 0.04"
  • 6:09 am 7:46 pm CDT
WedApr 23.
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSE
  • Humidity: 60%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:07 am 7:47 pm CDT
ThuApr 24.
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ESE
  • Humidity: 54%
  • UV index: 7
  • Precip. probability: 16%
  • Precipitation: 0.08"
  • 6:06 am 7:48 pm CDT
FriApr 25.
  • 73°F
  • 55°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph SSE
  • Humidity: 59%
  • UV index: 6
  • Precip. probability: 35%
  • Precipitation: 0.16"
  • 6:04 am 7:49 pm CDT
Over the course of the next ten days, expect shifting weather, and a mix of cloud-filled, damp, bright and thunderstorm-prone weather is forecasted.
Rainfall is expected on Thursday through Sunday, Tuesday, next Thursday and Friday.
Noticeable swings in temperature are expected across the forecast period. Highs will range from 57.2°F to 80.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 44.6°F and 62.6°F.
Friday is expected to be the warmest, reaching up to 80.6°F; Saturday will be the coldest day, with the highest temperature of 57.2°F.
Updated: Apr 17, 2025 @ 00:19:56 UTC
Published by: Weather U.S. | About Us
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