Weather forecast for todayLewistown, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:46 am CDT

  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphN 350°
  • Humidity: 95%
  • Dewpoint: 43°F
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Lewistown, currently, a deep blue sky remains clear and cloudless.
The temperature is a frosty 44.6°F. The current temperature is near the lowest anticipated 46.4°F for today.

Wednesday Oct 21, 2026

  • 75°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, in Lewistown, sun-filled skies will remain for most of the day.
Day and night temperatures will contrast sharply, from a maximum of a warm 75.2°F to a minimum of a brisk 46.4°F.
The predicted high will feel warmer, consistent with September's climate average of 76.6°F.
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 hour: 3 pm 73°C.
Coldest hour: 7 am 43°C.

Chance of precipitation

Highest chance: 11 pm 3%.

Hourly weather forecast

  • 6 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 97%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:18 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSE 155°
  • Humidity: 97%
  • 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 mostly clear and occasionally cloud-filled weather is expected.
The temperature will vary between a minimum of 42.8°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more alike with September's typical high of 76.6°F than the average for October. The night temperature will be in line with the standard October low of 46.6°F.
Updated: Oct 21, 2026 @ 09:46:00 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 4:46 am CDT, the temperature is 44.6°F.

On Wednesday, in Lewistown, mainly sunny conditions will dominate the day.

Today, the highest temperature will be 75.2°F, while the lowest temperature will be 46.4°F.
The maximum temperature will be noticeably 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.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Lewistown, Illinois, USA

  • en: Lewistown, Illinois, USA
  • es: Lewistown, Illinois, EE.UU.
  • hr: Luiston, Ilinois, SAD
  • mk: Luiston, Ilinois, SAD
  • sr: Luiston, Ilinois, SAD
  • zh: 刘易斯敦, 伊利诺伊, 美国
  • Latitude: 40.393097°
  • Longitude: -90.154842°
  • Elevation: 594 ft
  • Current time: 4:46am CDT
  • Sunrise: 7:18 am CDT
  • Sunset: 6:12 pm CDT
  • Timezone: America/Chicago

Nearby Lewistown, Illinois, USA

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