Weather forecast for tomorrowIrwin, IL

Weather forecast for tomorrow

Tuesday Oct 27, 2026

  • 73°F
  • 52°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 8mphSSE 160°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:17 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
Tomorrow, on Tuesday, October 27, a mostly cloudy day is ahead.
Temperature span will be from a high of a temperate 73.4°F to a low of a crisp 51.8°F.
The temperature of 73.4°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:17 am and sunset at 5:54 pm; tomorrow's daylight will last for 10h and 37min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 73°C.
Coldest period: 3 am - 6 am 48°C.

Chance of precipitation

Highest chance: 3 am - 6 am 9%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphENE 56°
  • Humidity: 98%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphENE 68°
  • Humidity: 100%
  • Pressure: 30.24"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphE 89°
  • Humidity: 98%
  • Pressure: 30.24"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 48°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 4mphESE 110°
  • Humidity: 98%
  • Pressure: 30.24"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
Sunrise: 7:17 am
  • 8 am
  • 48°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 4mphESE 121°
  • Humidity: 100%
  • Pressure: 30.24"Hg
  • Visibility: 3mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSE 145°
  • Humidity: 77%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 165°
  • Humidity: 54%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 185°
  • Humidity: 39%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 185°
  • Humidity: 36%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:54 pm
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 171°
  • Humidity: 46%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 171°
  • Humidity: 62%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 71%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, gray skies are likely.
The temperature will vary between the lowest temperature of 46.4°F and the highest temperature of 73.4°F. The warmest part of the day will be around 3 pm.
The maximum temperature will align more closely with September's average high of 75°F than with October's 61.9°F. Forecasts indicate a night temperature slightly warmer than the usual October minimum of 46.8°F.
Updated: Oct 27, 2026 @ 00:41:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Tuesday, expect persistent cloudiness.

Tomorrow, the maximum temperature will be 73.4°F, while the minimum temperature will be 51.8°F.
The highest temperature will be noticeably higher than the average maximum of 61.9°F in October. The lowest temperature will be moderately higher than the average low of 46.8°F.

On Tuesday, in Irwin, sunrise will be at 7:17 am and sunset at 5:54 pm (CDT).

In Irwin, tomorrow, there will be 10h and 37min of daylight.