Weather forecast for tomorrow
Sumter, SC

Weather forecast for tomorrow

Monday, Jun 16.

Isolated Thunderstorms
6:08 am

8:35 pm
EDT
Isolated Thunderstorms
90°F / 73°F
  • Wind: 7mph SW
  • Humidity: 71%
  • Precip. probability: 32%
  • Precipitation: 0.08"
  • UV index: 10
Tomorrow, on Monday, isolated storm cells will bring brief downpours and thunder.
Minimal precipitation is predicted. The highest anticipated temperature is a hot 89.6°F, while the lowest temperature will be a temperate 73.4°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at an extremely hot 105.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature is expected to follow the average for June, around 87.4°F.
Sunrise will be at 6:08 am and sunset at 8:35 pm; tomorrow's daylight will last for 14h and 27min.

Frequently asked questions

What is the weather forecast for Sumter for tomorrow?
On Monday, in Sumter, occasional thunder and showers are anticipated.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in Sumter.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 73.4°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at 105.8°F.
The maximum temperature will be in line with the average highest temperature of 87.4°F in June. The lowest temperature will be also in line with the average low of 70°F.
When are sunrise and sunset tomorrow?
On Monday, in Sumter, sunrise will be at 6:08 am and sunset at 8:35 pm (EDT).
How long will the day be tomorrow?
In Sumter, the length of the day tomorrow will be 14h and 27min.

Hourly weather forecast

12 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 89%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 73°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSW
  • Pressure: 30"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 9mi
6 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 30"Hg
  • Humidity: 95%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 8mi
Sunrise: 6:08 am
8 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SW
  • Pressure: 30.03"Hg
  • Humidity: 91%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 82°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 30.03"Hg
  • Humidity: 77%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 30.03"Hg
  • Humidity: 66%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 88°F
  • Feels like:
    97°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SW
  • Pressure: 29.97"Hg
  • Humidity: 61%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 90°F
  • Feels like:
    99°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 7mph SW
  • Pressure: 29.94"Hg
  • Humidity: 61%
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Visibility: 9mi
6 pm
  • 88°F
  • Feels like:
    97°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 6mph SW
  • Pressure: 29.91"Hg
  • Humidity: 63%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Visibility: 9mi
8 pm
  • 84°F
  • Feels like:
    91°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 4mph SW
  • Pressure: 29.94"Hg
  • Humidity: 74%
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunset: 8:35 pm
10 pm
  • 79°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 85%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 7mi
Tomorrow, a combination of primarily overcast and occasionally lightning-active and bright weather is forecasted.
With minimal precipitation of 0.04", rain is expected at 4 pm, 6 pm, 8 pm and 9 pm.
The temperature will vary between the lowest temperature of 73.4°F and the highest temperature of 89.6°F. The feels-like temperature will vary between a minimum of 75.2°F and a maximum of 98.6°F. The hottest part of the day will be at 3 pm and 4 pm.
The forecasted high will be alike with the typical June maximum of 87.4°F. The night temperature will be also resembling the standard June low of 70°F.
Updated: Jun 15, 2025 @ 19:56:24 UTC
Published by: Weather U.S. | About Us
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