Weather forecast for todayMerna, IL

Weather forecast for today

Current condition 1:41 pm CDT

  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 4mphSW 230°
  • Humidity: 51%
  • Dewpoint: 37°F
  • Pressure: 30.51"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
Currently, in Merna, the sun’s rays are illuminating everything under a clear sky.
The temperature is a mild 55.4°F. The current temperature is almost at the maximum of today's 57.2°F.

Saturday Oct 17, 2026

  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 224°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
On Saturday, October 17, conditions remain stable and sunny, with little cloud presence.
Temperatures are expected to range from a maximum of a mild 57.2°F to a minimum of a wintry 37.4°F.
Today's peak is predicted to be slightly cooler than the regular high for October at 62.1°F.
Sunrise was at 7:08 am and sunset will be at 6:12 pm; the daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 57°C.
Coldest hour: 11 pm 41°C.

Chance of precipitation

Highest chance: 10 pm - 11 pm 2%.

Hourly weather forecast

  • 2 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSW 216°
  • Humidity: 50%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 220°
  • Humidity: 47%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 231°
  • Humidity: 44%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 230°
  • Humidity: 43%
  • 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: 4mphSW 223°
  • Humidity: 51%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 7 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 217°
  • Humidity: 58%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 63%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 189°
  • Humidity: 70%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 183°
  • Humidity: 75%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 176°
  • Humidity: 79%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, primarily bright and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be moderately lower than October's average high of 62.1°F. The expected low will be more in line with what’s common in November than the current October average of 46.6°F.
Updated: Oct 17, 2026 @ 18:41:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (1:41 pm CDT) is 55.4°F.

On Saturday, in Merna, bright and sunny weather is expected.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be relatively lower than the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 46.6°F.

On Saturday, in Merna, sunrise was at 7:08 am and sunset will be at 6:12 pm (CDT).

Today, the daylight will last for 11h and 4min.