Weather forecast for tomorrow
Friday, Jun 20.
5:34 am
8:40 pm
EDT
8:40 pm
EDT
Mostly Sunny
82°F / 64°F
- Wind: 12mph WNW
- Humidity: 59%
- Precip. probability: 5%
- Precipitation: 0"
- UV index: 9
Tomorrow, in Mount Gretna, sunshine will dominate, with only occasional cloud cover.
Temperature is expected to swing from a high of a moderately hot 82.4°F to a low of a breezy 64.4°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at a hot 84.2°F.
A high of 82.4°F is expected, which aligns better with July's average peak of 82°F than June's 76.6°F.
Sunrise will be at 5:34 am and sunset at 8:40 pm; tomorrow's daylight will last for 15h and 6min.
Temperature is expected to swing from a high of a moderately hot 82.4°F to a low of a breezy 64.4°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at a hot 84.2°F.
A high of 82.4°F is expected, which aligns better with July's average peak of 82°F than June's 76.6°F.
Sunrise will be at 5:34 am and sunset at 8:40 pm; tomorrow's daylight will last for 15h and 6min.
Frequently asked questions
What is the weather forecast for Mount Gretna for tomorrow?
Tomorrow, in Mount Gretna, sunshine will lead the day, with clouds making only brief appearances.
What will be the maximum temperature in Mount Gretna tomorrow?
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 64.4°F. The maximum heat index, which combines relative humidity and air temperature, is assessed at 84.2°F.
The highest temperature will be relatively higher than the average maximum of 76.6°F in June. The lowest temperature will be also a few degrees higher than the average low of 58.6°F.
The highest temperature will be relatively higher than the average maximum of 76.6°F in June. The lowest temperature will be also a few degrees higher than the average low of 58.6°F.
What time are sunrise and sunset tomorrow?
On Friday, in Mount Gretna, sunrise will be at 5:34 am and sunset at 8:40 pm (EDT).
How long will the day be tomorrow?
In Mount Gretna, tomorrow, there will be 15h and 6min of daylight.
Hourly weather forecast
12 am
- 70°F
- Feels like:
70°F
Mostly Clear
- Wind: 12mph WNW
- Pressure: 29.83"Hg
- Humidity: 74%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 66°F
- Feels like:
66°F
Clear
- Wind: 11mph WNW
- Pressure: 29.85"Hg
- Humidity: 73%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 64°F
- Feels like:
64°F
Clear
- Wind: 9mph WNW
- Pressure: 29.88"Hg
- Humidity: 75%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 5:34 am
6 am
- 63°F
- Feels like:
63°F
Sunny
- Wind: 8mph WNW
- Pressure: 29.94"Hg
- Humidity: 77%
- Precip. probability: 7%
- Precipitation: 0"
- Visibility: 10mi
8 am
- 68°F
- Feels like:
68°F
Sunny
- Wind: 9mph WNW
- Pressure: 29.97"Hg
- Humidity: 74%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 72°F
- Feels like:
72°F
Mostly Sunny
- Wind: 11mph WNW
- Pressure: 29.97"Hg
- Humidity: 66%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 77°F
- Feels like:
79°F
Sunny
- Wind: 11mph WNW
- Pressure: 29.97"Hg
- Humidity: 57%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 81°F
- Feels like:
82°F
Mostly Sunny
- Wind: 11mph WNW
- Pressure: 29.97"Hg
- Humidity: 51%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 81°F
- Feels like:
82°F
Mostly Sunny
- Wind: 11mph W
- Pressure: 29.97"Hg
- Humidity: 49%
- Precip. probability: 0%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 81°F
- Feels like:
82°F
Mostly Sunny
- Wind: 9mph W
- Pressure: 29.97"Hg
- Humidity: 51%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 77°F
- Feels like:
81°F
Partly Cloudy
- Wind: 6mph WSW
- Pressure: 30"Hg
- Humidity: 61%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:40 pm
10 pm
- 72°F
- Feels like:
73°F
Partly Cloudy
- Wind: 4mph WSW
- Pressure: 30.03"Hg
- Humidity: 70%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, on Friday, a combination of cloud-filled and mostly clear weather is predicted.
The temperature will vary between a minimum of 62.6°F and a maximum of 82.4°F. The warmest part of the day is expected around 5 pm.
The maximum temperature will be more resembling July's average high of 82°F than June's 76.6°F. The expected low will be also more resembling what’s common in July than the current June average of 58.6°F.
The temperature will vary between a minimum of 62.6°F and a maximum of 82.4°F. The warmest part of the day is expected around 5 pm.
The maximum temperature will be more resembling July's average high of 82°F than June's 76.6°F. The expected low will be also more resembling what’s common in July than the current June average of 58.6°F.
Updated: Jun 19, 2025 @ 13:50:44 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