Weather forecast for tomorrowMercerville, OH

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 70°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 4mphENE 58°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:42 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
Tomorrow, on Monday, the weather remains calm, bright, and sunny.
Temperatures will show considerable variation, extending from a high of an agreeable 69.8°F to a low of a wintry 37.4°F.
The day’s top temperature is expected to be slightly warmer than the typical October high of 65.8°F.
Sunrise will be at 7:42 am and sunset at 6:45 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphE 87°
  • Humidity: 85%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphE 95°
  • Humidity: 90%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphE 95°
  • Humidity: 94%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphE 100°
  • Humidity: 97%
  • Pressure: 30.45"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:42 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 1mphE 96°
  • Humidity: 95%
  • Pressure: 30.45"Hg
  • Visibility: 3mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 97°
  • Humidity: 74%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 63°
  • Humidity: 44%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 34°
  • Humidity: 33%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 23°
  • Humidity: 34%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 18°
  • Humidity: 45%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:45 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNE 27°
  • Humidity: 64%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 30°
  • Humidity: 77%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily sun-filled and occasionally gloomy weather is expected.
The temperature will vary between a minimum of 35.6°F and a maximum of 68°F. The warmest part of the day will be from 3 pm to 5 pm.
The high will be a couple of degrees higher than the normal maximum of 65.8°F for October. The minimum temperature will be more resembling November's average low of 36.7°F than October's typical 46.9°F.
Updated: Oct 18, 2026 @ 11:16:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 65.8°F in October. The lowest temperature will be noticeably lower than the average low of 46.9°F.

On Monday, in Mercerville, sunrise will be at 7:42 am and sunset at 6:45 pm (EDT).

In Mercerville, tomorrow, there will be 11h and 3min of daylight.