Weather forecast for tomorrowMount Summit, IN

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 167°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:55 am EDT
  • Sunset: 6:57 pm EDT
  • ▼
On Sunday, in Mount Summit, expect bright skies and plenty of sunshine.
Temperature changes will be considerable, from a high of a comfortable 64.4°F to a low of a cold 35.6°F.
Tomorrow's forecasted high will be in line with October's typical peak of 62.1°F.
Sunrise will be at 7:55 am and sunset at 6:57 pm; tomorrow's daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 61°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 9 am 4%.

Hourly weather forecast

  • 12 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 124°
  • Humidity: 76%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 142°
  • Humidity: 81%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 148°
  • Humidity: 85%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 84%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:55 am
  • 8 am
  • 34°F
  • Feels like:
    30°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 157°
  • Humidity: 89%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSE 168°
  • Humidity: 68%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 179°
  • Humidity: 49%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 174°
  • Humidity: 40%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 165°
  • Humidity: 35%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 156°
  • Humidity: 37%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:57 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSE 144°
  • Humidity: 52%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 146°
  • Humidity: 63%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 62.6°F. The warmest part of the day will be at 4 pm and 5 pm.
The temperature tomorrow will be consistent with the average high in October. The expected low will be more similar to what’s common in November than the current October average of 46.6°F.
Updated: Oct 17, 2026 @ 16:29:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Mount Summit, the weather remains calm, bright, and sunny.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 62.1°F in October. Tomorrow, the lowest temperature will be noticeably lower than the average low of 46.6°F.

On Sunday, in Mount Summit, sunrise will be at 7:55 am and sunset at 6:57 pm (EDT).

In Mount Summit, tomorrow, there will be 11h and 2min of daylight.