Weather forecast for tomorrowMerna, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 193°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Sunday, in Merna, uninterrupted sunshine is also anticipated.
The highest temperature will be an enjoyable 64.4°F, while the lowest forecasted temperature is a cold 39.2°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 62.1°F.
Sunrise will be at 7:09 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 1min.
The highest temperature will be an enjoyable 64.4°F, while the lowest forecasted temperature is a cold 39.2°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 62.1°F.
Sunrise will be at 7:09 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 174°
- Humidity: 81%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 179°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 184°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphS 185°
- Humidity: 80%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphS 189°
- Humidity: 75%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 193°
- Humidity: 53%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 200°
- Humidity: 41%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 196°
- Humidity: 34%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 195°
- Humidity: 34%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 178°
- Humidity: 42%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 165°
- Humidity: 57%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 67%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be around 3 pm.
The temperature tomorrow will be resembling the average high in October. Tomorrow, expect the temperature to be more consistent with the typical minimum for November than for October.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be around 3 pm.
The temperature tomorrow will be resembling the average high in October. Tomorrow, expect the temperature to be more consistent with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 23:44:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Merna, clear skies and sunshine are anticipated.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 46.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 46.6°F.
On Sunday, in Merna, sunrise will be at 7:09 am and sunset at 6:10 pm (CDT).
Tomorrow, the daylight will last for 11h and 1min.
