Weather forecast for 10 daysSaint Peter, IL

Weather forecast for the weekend

Saturday Oct 31, 2026

  • 70°F
  • 57°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphE 96°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:21 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
On Saturday, in Saint Peter, the sky will remain cloudy throughout.
The temperature will vary between a maximum of a pleasant 69.8°F and a minimum of a mild 57.2°F.
The anticipated peak temperature today will be a few degrees higher than the average October maximum of 65.1°F.
Sunrise will be at 7:21 am and sunset at 5:56 pm; the daylight will last for 10h and 35min.

Sunday Nov 1, 2026

  • 63°F
  • 55°F
AM Showers
AM Showers
  • Precip. probability: 38%
  • Precipitation: 0"
  • Wind: 12mphSE 133°
  • Humidity: 83%
  • UV index: 2
  • Sunrise: 7:22 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
Tomorrow, on Sunday, a drizzly start with spotty showers is likely.
Minimal precipitation is forecasted. Temperature measurements will peak at a breezy 62.6°F, with a slight decrease to a low of a moderate 55.4°F.
The expected maximum temperature will closely reflect October's average high of 65.1°F.
Sunrise will be at 7:22 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 32min.

10-day overview

Daily temperatures

Warmest day: Tuesday 73°C.
Minimum temperature: 59°C.

Chance of precipitation

Highest chance: Tuesday 72%.

Long-term weather forecast

  • Saturday
  • Oct 31, 2026
  • 70°F
  • 57°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphE 96°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:21 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 63°F
  • 55°F
AM Showers
AM Showers
  • Precip. probability: 38%
  • Precipitation: 0"
  • Wind: 12mphSE 133°
  • Humidity: 83%
  • UV index: 2
  • Sunrise: 7:22 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Monday
  • Nov 2, 2026
  • 68°F
  • 63°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0.04"
  • Wind: 12mphSSE 158°
  • Humidity: 82%
  • UV index: 1
  • Sunrise: 6:23 am CST
  • Sunset: 4:54 pm CST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 73°F
  • 59°F
Rain
Rain
  • Precip. probability: 72%
  • Precipitation: 0.04"
  • Wind: 17mphS 170°
  • Humidity: 74%
  • UV index: 1
  • Sunrise: 6:25 am CST
  • Sunset: 4:52 pm CST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 63°F
  • 48°F
Rain
Rain
  • Precip. probability: 62%
  • Precipitation: 0.75"
  • Wind: 11mphWSW 254°
  • Humidity: 83%
  • UV index: 3
  • Sunrise: 6:26 am CST
  • Sunset: 4:51 pm CST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 63°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • Wind: 6mphWNW 284°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 6:27 am CST
  • Sunset: 4:50 pm CST
  • ▼
  • Friday
  • Nov 6, 2026
  • 59°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 8mphN 349°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 6:28 am CST
  • Sunset: 4:49 pm CST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 59°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphNNW 347°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 6:29 am CST
  • Sunset: 4:48 pm CST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 63°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphWNW 301°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 6:30 am CST
  • Sunset: 4:47 pm CST
  • ▼
  • Monday
  • Nov 9, 2026
  • 59°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNW 332°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 6:31 am CST
  • Sunset: 4:46 pm CST
  • ▼
Throughout the next ten days, a combination of gloomy and wet weather is expected.
Rainfall is predicted for Monday through Thursday.
Noticeable swings in temperature are expected across the forecast period. The temperature is expected to swing from 59°F up to 73.4°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 39.2°F to 62.6°F.
The warmest day will be Tuesday, with a maximum of 73.4°F; Friday, next Saturday and Monday, with the highest temperature of 59°F, will be the coldest days.
Updated: Oct 31, 2026 @ 07:22:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, dense clouds will linger over the area.

Today, the highest temperature will be 69.8°F, while the lowest temperature will be 57.2°F.
The highest temperature will be moderately higher than the average maximum of 65.1°F in October. The lowest temperature today will be also relatively higher than the average low temperature.

On Saturday, in Saint Peter, sunrise will be at 7:21 am and sunset at 5:56 pm (CDT).

In Saint Peter, today, there will be 10h and 35min of daylight.

On Sunday, expect a few brief rain showers in the morning hours.

Tomorrow, there is a low probability of minimal rainfall in Saint Peter.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 55.4°F.
The highest temperature will be in line with the average maximum of 65.1°F in October. Tomorrow, the lowest temperature will be a couple of degrees higher than the average low temperature.

On Sunday, in Saint Peter, sunrise will be at 7:22 am and sunset at 5:55 pm (CDT).

Tomorrow, the daylight will last for 10h and 32min.