Weather forecast for tomorrow
Saturday, Jun 21.
5:58 am
9:05 pm
EDT
9:05 pm
EDT
Partly Cloudy
90°F / 73°F
- Wind: 12mph SSW
- Humidity: 62%
- Precip. probability: 7%
- Precipitation: 0"
- UV index: 9
Tomorrow, on Saturday, clouds and sunshine will alternate throughout the day.
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 reflects the perceived temperature due to humidity levels, is assessed at a sizzling 100.4°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, a maximum of 89.6°F is expected - more characteristic of July than of June.
Sunrise will be at 5:58 am and sunset at 9:05 pm; tomorrow's daylight will last for 15h and 7min.
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 reflects the perceived temperature due to humidity levels, is assessed at a sizzling 100.4°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, a maximum of 89.6°F is expected - more characteristic of July than of June.
Sunrise will be at 5:58 am and sunset at 9:05 pm; tomorrow's daylight will last for 15h and 7min.
Frequently asked questions
What is the weather forecast for Mount Vernon for tomorrow?
Tomorrow, in Mount Vernon, high-altitude clouds may scatter across the sky, but the sun will still shine.
What will be the highest 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 reflects the perceived temperature due to humidity levels, is calculated to be 100.4°F.
The highest temperature will be notably higher than the average maximum of 76.1°F in June. The lowest temperature tomorrow will be also noticeably higher than the average low of 58.8°F.
The highest temperature will be notably higher than the average maximum of 76.1°F in June. The lowest temperature tomorrow will be also noticeably higher than the average low of 58.8°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Mount Vernon, sunrise will be at 5:58 am and sunset at 9:05 pm (EDT).
How long will the day be tomorrow?
In Mount Vernon, the length of the day tomorrow will be 15h and 7min.
Hourly weather forecast
12 am
- 72°F
- Feels like:
72°F
Partly Cloudy
- Wind: 6mph SSW
- Pressure: 30"Hg
- Humidity: 73%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 70°F
- Feels like:
70°F
Partly Cloudy
- Wind: 5mph SSW
- Pressure: 30.03"Hg
- Humidity: 80%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 68°F
- Feels like:
68°F
Mostly Clear
- Wind: 4mph SSW
- Pressure: 30.03"Hg
- Humidity: 83%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 5:58 am
6 am
- 66°F
- Feels like:
68°F
Partly Cloudy
- Wind: 4mph SSW
- Pressure: 30.06"Hg
- Humidity: 87%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 10mi
8 am
- 72°F
- Feels like:
72°F
Partly Cloudy
- Wind: 6mph SSW
- Pressure: 30.06"Hg
- Humidity: 81%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 77°F
- Feels like:
81°F
Partly Cloudy
- Wind: 8mph SSW
- Pressure: 30.06"Hg
- Humidity: 69%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 82°F
- Feels like:
86°F
Partly Cloudy
- Wind: 10mph SSW
- Pressure: 30.03"Hg
- Humidity: 59%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 86°F
- Feels like:
91°F
Mostly Sunny
- Wind: 12mph SSW
- Pressure: 30.03"Hg
- Humidity: 52%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 88°F
- Feels like:
91°F
Sunny
- Wind: 12mph SSW
- Pressure: 29.97"Hg
- Humidity: 49%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 88°F
- Feels like:
91°F
Sunny
- Wind: 12mph SSW
- Pressure: 29.97"Hg
- Humidity: 50%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 84°F
- Feels like:
88°F
Sunny
- Wind: 10mph SSW
- Pressure: 29.97"Hg
- Humidity: 56%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 9:05 pm
10 pm
- 79°F
- Feels like:
82°F
Clear
- Wind: 9mph SSW
- Pressure: 30"Hg
- Humidity: 65%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, on Saturday, a combination of cloudy and dry and sunny weather is predicted.
The temperature will vary between a minimum of 66.2°F and a maximum of 87.8°F. The hottest part of the day will be from 3 pm to 6 pm.
The maximum is expected to resemble July's average high of 79.9°F rather than June's. The minimum temperature tomorrow will be also more alike with July's average low of 62.1°F than June's average of 58.8°F.
The temperature will vary between a minimum of 66.2°F and a maximum of 87.8°F. The hottest part of the day will be from 3 pm to 6 pm.
The maximum is expected to resemble July's average high of 79.9°F rather than June's. The minimum temperature tomorrow will be also more alike with July's average low of 62.1°F than June's average of 58.8°F.
Updated: Jun 20, 2025 @ 14:11:42 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate