Weather forecast for tomorrow
Saint Charles, MD

Weather forecast for tomorrow

Wednesday, Jun 18.

PM Thunderstorms
5:41 am

8:36 pm
EDT
PM Thunderstorms
90°F / 73°F
  • Wind: 9mph SW
  • Humidity: 73%
  • Precip. probability: 46%
  • Precipitation: 0.08"
  • UV index: 9
On Wednesday, in Saint Charles, thunder and lightning are forecasted to move in during the afternoon.
Minimal precipitation is expected for tomorrow. The temperature will fluctuate from a high of a tropical 89.6°F to a low of a warm 73.4°F.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at a torridly hot 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
A high of 89.6°F is expected, which aligns better with July's average peak of 87.4°F than June's 82.2°F.
Sunrise will be at 5:41 am and sunset at 8:36 pm; tomorrow's daylight will last for 14h and 55min.

Frequently asked questions

What is the weather forecast for Saint Charles for tomorrow?
Tomorrow, scattered thunderstorms are likely by the afternoon.
Will it rain tomorrow in Saint Charles?
Tomorrow, there is a low probability of minimal rainfall in Saint Charles.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 89.6°F, while the minimum temperature will be 73.4°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at 107.6°F.
The highest temperature will be a few degrees higher than the average maximum of 82.2°F in June. The lowest temperature will be noticeably higher than the average low of 64.2°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Saint Charles, sunrise will be at 5:41 am and sunset at 8:36 pm (EDT).
How long will the day be tomorrow?
In Saint Charles, tomorrow, there will be 14h and 55min of daylight.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.94"Hg
  • Humidity: 98%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 7mi
2 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph S
  • Pressure: 29.91"Hg
  • Humidity: 99%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 6mi
4 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph S
  • Pressure: 29.91"Hg
  • Humidity: 99%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 7mi
Sunrise: 5:41 am
6 am
  • 72°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 98%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 6mi
8 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.91"Hg
  • Humidity: 90%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 81°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 29.91"Hg
  • Humidity: 77%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 86°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SW
  • Pressure: 29.91"Hg
  • Humidity: 66%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 88°F
  • Feels like:
    95°F
Showers
Showers
  • Wind: 9mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 62%
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 86°F
  • Feels like:
    93°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 65%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 68%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SW
  • Pressure: 29.88"Hg
  • Humidity: 75%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:36 pm
10 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.88"Hg
  • Humidity: 83%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of primarily cloudy and occasionally wet and lightning-active weather is expected.
Rainfall is anticipated at 2 pm and 3 pm. With light precipitation of 0.08", most rainfall is expected at 3 pm.
The temperature will vary between a minimum of 71.6°F and a maximum of 87.8°F. The feels-like temperature will vary between the lowest temperature of 73.4°F and the highest temperature of 95°F. The hottest part of the day is anticipated around 2 pm.
The expected temperature aligns more with July's average high than with June's 82.2°F. The minimum temperature will be also more comparable to July's average low of 68.9°F than June's typical 64.2°F.
Updated: Jun 17, 2025 @ 21:07:12 UTC
Published by: Weather U.S. | About Us
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