Weather forecast for todayArmstrong, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:39 pm CDT

  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 0mphSSE 150°
  • Humidity: 33%
  • Dewpoint: 28°F
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, in Armstrong, no clouds, just endless sunshine warming the day.
The temperature is a moderate 55.4°F.

Saturday Oct 17, 2026

  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphS 172°
  • Humidity: 66%
  • UV index: 0
  • Sunrise: 7:04 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
During the afternoon and for the rest of the day, pristine, cloud-free skies are expected all day long.
The lowest anticipated temperature is an icy 35.6°F.
Sunrise was at 7:04 am and sunset will be at 6:08 pm; the daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 55°C.
Coldest period: 11 pm - 12 am 39°C.

Chance of precipitation

Highest chance: 12 am 2%.

Hourly weather forecast

  • 5 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 33%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphS 180°
  • Humidity: 42%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 7 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphS 171°
  • Humidity: 50%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 165°
  • Humidity: 59%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 161°
  • Humidity: 66%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 160°
  • Humidity: 71%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 166°
  • Humidity: 75%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 167°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 37°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 172°
  • Humidity: 78%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 172°
  • Humidity: 78%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the late afternoon and into the evening, mostly cloudless and sunny weather is anticipated.
The temperature will be between a maximum of 55.4°F and a minimum of 39.2°F.
Updated: Oct 17, 2026 @ 21:39:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 4:39 pm CDT, the temperature is 55.4°F.

On Saturday, in Armstrong, expect clear skies and plenty of sunshine.

On Saturday, in Armstrong, sunrise was at 7:04 am and sunset will be at 6:08 pm (CDT).

In Armstrong, Illinois, today, there will be 11h and 4min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Armstrong, Illinois, USA

  • en: Armstrong, Illinois, USA
  • es: Armstrong, Illinois, EE.UU.
  • hr: Armstrong, Ilinois, SAD
  • mk: Armstrong, Ilinois, SAD
  • sr: Armstrong, Ilinois, SAD
  • zh: 阿姆斯特朗, 伊利诺伊, 美国
  • Latitude: 40.306425°
  • Longitude: -87.877809°
  • Elevation: 692 ft
  • Current time: 4:39pm CDT
  • Sunrise: 7:04 am CDT
  • Sunset: 6:08 pm CDT
  • Timezone: America/Chicago

Nearby Armstrong, Illinois, USA

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