Weather forecast for 10 days
Herndon, PA

Weather forecast for the weekend

Saturday, May 24.

AM Rain
5:40 am

8:27 pm
EDT
AM Rain
61°F / 45°F
  • Wind: 12mph WNW
  • Humidity: 52%
  • Precip. probability: 78%
  • Precipitation: 0.04"
  • UV index: 4
On Saturday, May 24, expect off-and-on rain showers throughout the morning.
Minimal precipitation is expected for today. Temperatures are forecasted to peak at an enjoyable 60.8°F and drop to a minimum of a brisk 44.6°F.
Today, it will be colder, and the temperature will align more with April's typical maximum of 58.3°F.
Sunrise was at 5:40 am and sunset will be at 8:27 pm; the daylight will last for 14h and 47min.

Sunday, May 25.

Partly Cloudy
5:40 am

8:28 pm
EDT
Partly Cloudy
68°F / 46°F
  • Wind: 8mph NW
  • Humidity: 54%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 7
Tomorrow, in Herndon, partly cloudy skies will persist, making for a mix of sun and clouds.
Rainfall is not predicted. The maximum anticipated temperature is a pleasant 68°F, while the minimum temperature will be a chilly 46.4°F.
Forecasts show that tomorrow the temperature will align with May's standard maximum of 69.4°F.
Sunrise will be at 5:40 am and sunset at 8:28 pm; tomorrow's daylight will last for 14h and 48min.

Frequently asked questions

What is the weather forecast for Herndon for tomorrow?
On Sunday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Will it rain tomorrow?
No, it will not rain tomorrow.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 46.4°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in May. The lowest temperature tomorrow will be also in line with the average low temperature.
What time are sunrise and sunset tomorrow?
On Sunday, in Herndon, sunrise will be at 5:40 am and sunset at 8:28 pm (EDT).
How many hours of daylight will Herndon have tomorrow?
In Herndon, tomorrow, there will be 14h and 48min of daylight.
What is the weather forecast for Herndon for the next ten days?
In Herndon, a combination of dull, rainy and bright weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Saturday, Wednesday and Thursday in Herndon. With light precipitation of 0.39", Wednesday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 59°F and 77°F, as the minimum temperature will be between 44.6°F and 57.2°F.
What will be the warmest and the coldest days?
With the maximum temperature of 77°F, next Monday will be the warmest day. With a maximum temperature of 59°F, Wednesday will be the coldest day.

Long-term weather forecast

SatMay 24.
  • 61°F
  • 45°F
AM Rain
AM Rain
  • Wind: 12mph WNW
  • Humidity: 52%
  • UV index: 4
  • Precip. probability: 78%
  • Precipitation: 0.04"
  • 5:40 am 8:27 pm EDT
SunMay 25.
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NW
  • Humidity: 54%
  • UV index: 7
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:40 am 8:28 pm EDT
MonMay 26.
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Wind: 6mph N
  • Humidity: 52%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:39 am 8:29 pm EDT
TueMay 27.
  • 73°F
  • 54°F
Cloudy
Cloudy
  • Wind: 6mph ESE
  • Humidity: 53%
  • UV index: 5
  • Precip. probability: 9%
  • Precipitation: 0.08"
  • 5:39 am 8:30 pm EDT
WedMay 28.
  • 59°F
  • 55°F
Rain
Rain
  • Wind: 9mph SE
  • Humidity: 85%
  • UV index: 4
  • Precip. probability: 63%
  • Precipitation: 0.39"
  • 5:38 am 8:30 pm EDT
ThuMay 29.
  • 73°F
  • 57°F
AM Showers
AM Showers
  • Wind: 7mph SSW
  • Humidity: 77%
  • UV index: 5
  • Precip. probability: 42%
  • Precipitation: 0.08"
  • 5:37 am 8:31 pm EDT
FriMay 30.
  • 75°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph W
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:37 am 8:32 pm EDT
SatMay 31.
  • 68°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NW
  • Humidity: 64%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:37 am 8:33 pm EDT
SunJun 1.
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NNW
  • Humidity: 50%
  • UV index: 9
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:36 am 8:34 pm EDT
MonJun 2.
  • 77°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph WSW
  • Humidity: 54%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:36 am 8:34 pm EDT
For the next ten days, a combination of dull, damp and bright weather is expected.
Rainfall is anticipated on Saturday, Wednesday and Thursday.
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 59°F and 77°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 44.6°F up to 57.2°F.
Next Monday will be the warmest day, with a maximum temperature of 77°F; expect the coldest day on Wednesday with a high of 59°F.
Updated: May 24, 2025 @ 15:06:11 UTC
Published by: Weather Atlas | About Us
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