Weather forecast for todayLewistown, IL

Weather forecast for today

Current condition 5:53 am CDT

  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 95%
  • Dewpoint: 43°F
  • Pressure: 30.28"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Lewistown, currently, the weather remains clear and calm throughout the day.
The temperature is a brisk 42.8°F. The current temperature is almost at the minimum-anticipated 46.4°F for today.

Wednesday Oct 21, 2026

  • 75°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSW 193°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, in Lewistown, sunshine will lead the day, with clouds making only brief appearances.
Dramatic changes in temperature are expected, reaching a high of a temperate 75.2°F and falling to a low of a chilly 46.4°F.
Meteorological data shows 75.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:18 am and sunset at 6:12 pm; the daylight will last for 10h and 54min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 73°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 6 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 96%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:18 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSE 155°
  • Humidity: 95%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 70%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 188°
  • Humidity: 48%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 211°
  • Humidity: 38%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 222°
  • Humidity: 38%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphWSW 237°
  • Humidity: 50%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphW 270°
  • Humidity: 71%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    55°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphWSW 247°
  • Humidity: 79%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily sunny and occasionally overcast weather is forecasted.
The temperature will be between a maximum of 73.4°F and a minimum of 42.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The temperature low is forecasted to be consistent with the usual October value of 46.6°F.
Updated: Oct 21, 2026 @ 10:53:40 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (5:53 am CDT) it is 42.8°F in Lewistown.

On Wednesday, in Lewistown, dry and sunny weather is expected throughout the day.

Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 46.4°F.
The maximum temperature will be notably higher than the average highest temperature of 63°F in October. The lowest temperature will be in line with the average low of 46.6°F.

On Wednesday, in Lewistown, sunrise will be at 7:18 am and sunset at 6:12 pm (CDT).

In Lewistown, today, there will be 10h and 54min of daylight.