Weather forecast for tomorrow
Saturday, Jun 21.
5:36 am
8:56 pm
EDT
8:56 pm
EDT
Mostly Cloudy
82°F / 70°F
- Wind: 9mph SSW
- Humidity: 70%
- Precip. probability: 24%
- Precipitation: 0.08"
- UV index: 6
Tomorrow, a dense overcast layer will shape the day’s outlook.
Minimal precipitation is predicted. Temperatures are expected to peak at a temperate 82.4°F and drop to a minimum of a pleasant 69.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 87.8°F. Note that heat index values are valued for light wind and location in the shade.
It will be warmer, as the maximum temperature reflects July's norm of 77.5°F instead of June's.
Sunrise will be at 5:36 am and sunset at 8:56 pm; tomorrow's daylight will last for 15h and 19min.
Minimal precipitation is predicted. Temperatures are expected to peak at a temperate 82.4°F and drop to a minimum of a pleasant 69.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a blazing 87.8°F. Note that heat index values are valued for light wind and location in the shade.
It will be warmer, as the maximum temperature reflects July's norm of 77.5°F instead of June's.
Sunrise will be at 5:36 am and sunset at 8:56 pm; tomorrow's daylight will last for 15h and 19min.
Frequently asked questions
What is the weather forecast for Great Valley for tomorrow?
On Saturday, in Great Valley, mostly cloudy conditions are expected.
Will it rain tomorrow?
Tomorrow, there is a low chance of minimal precipitation in Great Valley.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 69.8°F. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 87.8°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 72.5°F in June. The lowest temperature will be also notably higher than the average low of 52.2°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 72.5°F in June. The lowest temperature will be also notably higher than the average low of 52.2°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Great Valley, sunrise will be at 5:36 am and sunset at 8:56 pm (EDT).
How long will the day be tomorrow?
In Great Valley, tomorrow, there will be 15h and 19min of daylight.
Hourly weather forecast
12 am
- 63°F
- Feels like:
63°F
Mostly Cloudy
- Wind: 2mph WSW
- Pressure: 30.03"Hg
- Humidity: 90%
- Precip. probability: 10%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 63°F
- Feels like:
63°F
Mostly Cloudy
- Wind: 2mph SW
- Pressure: 30.03"Hg
- Humidity: 94%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 9mi
4 am
- 61°F
- Feels like:
61°F
Mostly Cloudy
- Wind: 2mph SW
- Pressure: 30.03"Hg
- Humidity: 95%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 8mi
Sunrise: 5:36 am
6 am
- 63°F
- Feels like:
63°F
Few Showers
- Wind: 2mph SSW
- Pressure: 30.06"Hg
- Humidity: 94%
- Precip. probability: 33%
- Precipitation: 0.04"
- Visibility: 7mi
8 am
- 66°F
- Feels like:
66°F
Mostly Cloudy
- Wind: 3mph S
- Pressure: 30.06"Hg
- Humidity: 92%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 9mi
10 am
- 73°F
- Feels like:
75°F
Mostly Cloudy
- Wind: 6mph SSW
- Pressure: 30.03"Hg
- Humidity: 75%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 79°F
- Feels like:
81°F
Mostly Cloudy
- Wind: 7mph SW
- Pressure: 30.03"Hg
- Humidity: 64%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 81°F
- Feels like:
82°F
Showers
- Wind: 8mph SW
- Pressure: 30.03"Hg
- Humidity: 59%
- Precip. probability: 43%
- Precipitation: 0.04"
- Visibility: 7mi
4 pm
- 79°F
- Feels like:
82°F
Cloudy
- Wind: 9mph SSW
- Pressure: 29.97"Hg
- Humidity: 61%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 81°F
- Feels like:
82°F
Mostly Cloudy
- Wind: 9mph SSW
- Pressure: 29.94"Hg
- Humidity: 60%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 77°F
- Feels like:
81°F
Partly Cloudy
- Wind: 8mph SSW
- Pressure: 29.94"Hg
- Humidity: 63%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:56 pm
10 pm
- 75°F
- Feels like:
75°F
Clear
- Wind: 8mph SSW
- Pressure: 29.97"Hg
- Humidity: 69%
- Precip. probability: 3%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, primarily cloudy and occasionally rainy weather is anticipated.
With minimal precipitation of 0.04", rainfall is forecasted at 3 am, 5 am, 6 am and 2 pm.
The temperature will be between a minimum of 60.8°F and a maximum of 80.6°F. The warmest part of the day will be at 1 pm, 2 pm, 5 pm and 6 pm.
The highest temperature tomorrow will resemble July's average maximum more than June's 72.5°F. The expected low will be also more close to what’s common in July than the current June average of 52.2°F.
With minimal precipitation of 0.04", rainfall is forecasted at 3 am, 5 am, 6 am and 2 pm.
The temperature will be between a minimum of 60.8°F and a maximum of 80.6°F. The warmest part of the day will be at 1 pm, 2 pm, 5 pm and 6 pm.
The highest temperature tomorrow will resemble July's average maximum more than June's 72.5°F. The expected low will be also more close to what’s common in July than the current June average of 52.2°F.
Updated: Jun 20, 2025 @ 06:02:16 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