Weather forecast for todayGreenfield, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:06 am CDT

  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 3mphSE 130°
  • Humidity: 82%
  • Dewpoint: 36°F
  • Pressure: 30.48"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
In Greenfield, at the moment, the sky is a brilliant shade of blue with no cloud cover.
The temperature is an icy 39.2°F. The current temperature is near the lowest anticipated 37.4°F for today.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSSE 168°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
Today, the forecast calls for abundant sunshine.
Temperatures will show considerable variation, extending from a high of a breezy 66.2°F to a low of a cold 37.4°F.
Today, the expected peak temperature is expected to mirror October's average high of 64.8°F.
Sunrise will be at 7:14 am and sunset at 6:17 pm; the daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 7 am 37°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 6 am
  • 39°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 157°
  • Humidity: 84%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:14 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 162°
  • Humidity: 87%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 173°
  • Humidity: 57%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 180°
  • Humidity: 42%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 176°
  • Humidity: 36%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 170°
  • Humidity: 34%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 158°
  • Humidity: 42%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:17 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSE 139°
  • Humidity: 64%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 146°
  • Humidity: 74%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Greenfield, bright skies and dry conditions are anticipated.
The temperature will vary between the highest temperature of 64.4°F and the lowest temperature of 37.4°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the maximum will be consistent with October's typical high. The expected low will be more similar to what’s common in November than the current October average of 47.8°F.
Updated: Oct 18, 2026 @ 09:06:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 4:06 am CDT is 39.2°F.

Today, in Greenfield, conditions remain stable and sunny, with little cloud presence.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 47.8°F.

On Sunday, in Greenfield, sunrise will be at 7:14 am and sunset at 6:17 pm (CDT).

In Greenfield, Illinois, the length of the day today will be 11h and 4min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Greenfield, Illinois, USA

  • en: Greenfield, Illinois, USA
  • es: Greenfield, Illinois, EE.UU.
  • hr: Grinfild, Ilinois, SAD
  • mk: Grinfild, Ilinois, SAD
  • sr: Grinfild, Ilinois, SAD
  • zh: 格林菲尔德, 伊利诺伊, 美国
  • Latitude: 39.343658°
  • Longitude: -90.212614°
  • Elevation: 587 ft
  • Current time: 4:06am CDT
  • Sunrise: 7:14 am CDT
  • Sunset: 6:17 pm CDT
  • Timezone: America/Chicago

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