Weather forecast for tomorrow
Summit, SD

Weather forecast for tomorrow

Friday, Jun 20.

Partly Cloudy
5:38 am

9:21 pm
CDT
Partly Cloudy
86°F / 70°F
  • Wind: 16mph SE
  • Humidity: 73%
  • Precip. probability: 8%
  • Precipitation: 0.2"
  • UV index: 8
Tomorrow, in Summit, expect a mix of sun and clouds throughout the day.
The likelihood of rainfall is low, and light precipitation is predicted. The highest temperature will be a humid 86°F, while the lowest temperature will be an agreeable 69.8°F.
The maximum heat index, which combines air temperature and relative humidity, is evaluated at a sweltering 96.8°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
An unusual hotter pattern is expected, as the day’s high matches July's typical max of 81.5°F.
Sunrise will be at 5:38 am and sunset at 9:21 pm; tomorrow's daylight will last for 15h and 43min.

Frequently asked questions

What is the weather forecast for Summit for tomorrow?
Tomorrow, clouds and sunshine will alternate throughout the day.
Will it rain tomorrow?
With a probability of 8%, light precipitation of 0.2" is anticipated.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 69.8°F. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 96.8°F.
The highest temperature will be notably higher than the average maximum of 75.4°F in June. The lowest temperature will be also notably higher than the average low of 57.9°F.
What time are sunrise and sunset tomorrow?
On Friday, in Summit, sunrise will be at 5:38 am and sunset at 9:21 pm (CDT).
How many hours of daylight will Summit have tomorrow?
In Summit, tomorrow, there will be 15h and 43min of daylight.

Hourly weather forecast

12 am
  • 70°F
  • Feels like:
    70°F
Mostly Clear
Mostly Clear
  • Wind: 10mph SSE
  • Pressure: 29.68"Hg
  • Humidity: 76%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SSE
  • Pressure: 29.65"Hg
  • Humidity: 84%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSE
  • Pressure: 29.62"Hg
  • Humidity: 86%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:38 am
6 am
  • 64°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SE
  • Pressure: 29.62"Hg
  • Humidity: 89%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 9mi
8 am
  • 66°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SE
  • Pressure: 29.62"Hg
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SE
  • Pressure: 29.59"Hg
  • Humidity: 79%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 75°F
  • Feels like:
    79°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph ESE
  • Pressure: 29.56"Hg
  • Humidity: 74%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SE
  • Pressure: 29.5"Hg
  • Humidity: 67%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph SE
  • Pressure: 29.44"Hg
  • Humidity: 63%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    90°F
Sunny
Sunny
  • Wind: 16mph SE
  • Pressure: 29.38"Hg
  • Humidity: 60%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph SE
  • Pressure: 29.35"Hg
  • Humidity: 65%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 9:21 pm
10 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 15mph SE
  • Pressure: 29.35"Hg
  • Humidity: 77%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 9mi
Tomorrow, weather will be unstable, and a mix of mostly clear, dull, storm-filled and rain-filled weather is forecasted.
The temperature will vary between a minimum of 64.4°F and a maximum of 86°F. The hottest part of the day will be around 6 pm.
The maximum is expected to resemble July's average high of 81.5°F rather than June's. The minimum temperature will be also more in line with July's average low of 61.9°F than June's typical 57.9°F.
Updated: Jun 19, 2025 @ 07:25:24 UTC
Published by: Weather U.S. | About Us
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