Weather forecast for 10 days
Harleysville, PA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:30 am

8:36 pm
EDT
Partly Cloudy
90°F / 70°F
  • Wind: 7mph WSW
  • Humidity: 60%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, partly cloudy skies will persist, making for a mix of sun and clouds.
The temperature will fluctuate from a high of a blazing 89.6°F to a low of a delightful 69.8°F.
The maximum heat index, which combines air temperature and relative humidity, is assessed at a torrid 98.6°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 temperature of 89.6°F reflects July's climate better than June's.
Sunrise will be at 5:30 am and sunset at 8:36 pm; tomorrow's daylight will last for 15h and 6min.

Sunday, Jun 22.

Partly Cloudy
5:30 am

8:36 pm
EDT
Partly Cloudy
95°F / 75°F
  • Wind: 9mph WSW
  • Humidity: 61%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Harleysville, a partly cloudy outlook will keep the sky interesting throughout the day.
The temperature will fluctuate from a high of a sweltering 95°F to a low of a moderately hot 75.2°F.
The projected high resembles July more than June, matching 84.6°F rather than 78.8°F.
Sunrise will be at 5:30 am and sunset at 8:36 pm; the daylight will last for 15h and 6min.

Frequently asked questions

What is the weather forecast for Harleysville for tomorrow?
On Saturday, some passing clouds may drift through, but the sun will shine at times.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 69.8°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 98.6°F.
The maximum temperature will be significantly higher than the average highest temperature of 78.8°F in June. The lowest temperature tomorrow will be also uncommonly higher than the average low of 59.5°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Harleysville, sunrise will be at 5:30 am and sunset at 8:36 pm (EDT).
How long will the day be tomorrow?
In Harleysville, tomorrow, there will be 15h and 6min of daylight.
What is the weather forecast for Harleysville for Sunday?
On Sunday, in Harleysville, thin clouds will pass through at times, but overall, it will remain bright.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature in Harleysville will be 95°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Harleysville for the next ten days?
In Harleysville, a combination of cloudy, sunny and storm-filled weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for next Friday and Saturday in Harleysville. With light precipitation of 0.16", next Friday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 82.4°F and 98.6°F, as the minimum temperature will be between 62.6°F and 75.2°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 86°F and 120.2°F.
What will be the hottest and the coldest days?
The hottest days will be Monday and Tuesday, with a maximum of 98.6°F. Today is the coldest day, with a maximum temperature of 82.4°F.

Long-term weather forecast

FriJun 20.
  • 82°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph W
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:30 am 8:36 pm EDT
SatJun 21.
  • 90°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:30 am 8:36 pm EDT
SunJun 22.
  • 95°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:30 am 8:36 pm EDT
MonJun 23.
  • 99°F
  • 75°F
Sunny
Sunny
  • Wind: 7mph WNW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:31 am 8:36 pm EDT
TueJun 24.
  • 99°F
  • 75°F
Sunny
Sunny
  • Wind: 7mph WNW
  • Humidity: 51%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:31 am 8:36 pm EDT
WedJun 25.
  • 97°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph NNW
  • Humidity: 53%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:31 am 8:36 pm EDT
ThuJun 26.
  • 93°F
  • 70°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 5mph WNW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 41%
  • Precipitation: 0"
  • 5:32 am 8:37 pm EDT
FriJun 27.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSE
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • 5:32 am 8:37 pm EDT
SatJun 28.
  • 90°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Humidity: 69%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:32 am 8:37 pm EDT
SunJun 29.
  • 90°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph WSW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:33 am 8:37 pm EDT
During the ten-day period, cloudy, sun-filled and thunderstorm-prone weather is expected.
Rainfall is predicted for next Friday and Saturday.
The temperature will vary considerably throughout the forecast window. The temperature is expected to swing from 82.4°F up to 98.6°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 62.6°F up to 75.2°F.
The hottest days will be Monday and Tuesday, with a maximum of 98.6°F; today is the coldest day, with a maximum temperature of 82.4°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a humid 86°F and a burning hot 120.2°F.
Updated: Jun 20, 2025 @ 06:30:42 UTC
Published by: Weather U.S. | About Us
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