Weather forecast for tomorrow
Herndon, PA

Weather forecast for tomorrow

Monday, May 5.

Scattered Thunderstorms
5:58 am

8:09 pm
EDT
Scattered Thunderstorms
70°F / 59°F
  • Wind: 10mph ESE
  • Humidity: 83%
  • Precip. probability: 41%
  • Precipitation: 0.28"
  • UV index: 5
On Monday, May 5, scattered thunderstorms are likely to occur, particularly in the afternoon and evening.
The chance of rainfall for tomorrow is low, and light precipitation is expected. The maximum temperature will be a pleasant 69.8°F, while the minimum temperature will be a moderate 59°F.
The predicted daytime maximum should align with the typical May high of 69.4°F.
Sunrise will be at 5:58 am and sunset at 8:09 pm; tomorrow's daylight will last for 14h and 10min.

Frequently asked questions

What is the weather forecast for Herndon for tomorrow?
On Monday, in Herndon, scattered thunderstorms are expected, and there may be periods of intense rain and thunder.
Will it rain tomorrow?
Light precipitation of 0.28" is anticipated. The likelihood of rainfall is 41%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 59°F.
The highest temperature will be in line with the average maximum of 69.4°F in May. The lowest temperature will be significantly higher than the average low of 49.3°F.
When is the sunrise / sunset tomorrow?
On Monday, in Herndon, sunrise will be at 5:58 am and sunset at 8:09 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 10min.

Hourly weather forecast

12 am
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Wind: 2mph E
  • Pressure: 29.88"Hg
  • Humidity: 97%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 2mi
2 am
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Wind: 2mph ESE
  • Pressure: 29.91"Hg
  • Humidity: 97%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 4mi
4 am
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Wind: 2mph E
  • Pressure: 29.91"Hg
  • Humidity: 98%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 4mi
Sunrise: 5:58 am
6 am
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Wind: 3mph E
  • Pressure: 29.94"Hg
  • Humidity: 96%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 4mi
8 am
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Wind: 5mph E
  • Pressure: 29.97"Hg
  • Humidity: 95%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 2mi
10 am
  • 64°F
  • Feels like:
    66°F
Few Showers
Few Showers
  • Wind: 6mph E
  • Pressure: 30"Hg
  • Humidity: 82%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Visibility: 5mi
12 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Wind: 7mph ESE
  • Pressure: 30"Hg
  • Humidity: 82%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 6mi
2 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 77%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 6mi
4 pm
  • 68°F
  • Feels like:
    70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 76%
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Visibility: 4mi
6 pm
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Wind: 9mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 77%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 9mi
8 pm
  • 64°F
  • Feels like:
    64°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 90%
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Visibility: 6mi
Sunset: 8:09 pm
10 pm
  • 63°F
  • Feels like:
    63°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 7mph ESE
  • Pressure: 30"Hg
  • Humidity: 93%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 4mi
Tomorrow, on Monday, a combination of cloudy, storm-filled and rainy weather is anticipated.
With minimal precipitation of 0.04", rainfall is forecasted at 10 am, 11 am, 3 pm, 4 pm, and from 7 pm to 11 pm.
The temperature will be between the lowest temperature of 60.8°F and the highest temperature of 69.8°F. The warmest part of the day will be around 2 pm.
The high temperature is expected to be consistent with May's usual value of 69.4°F. The minimum temperature will be more consistent with June's average low of 56.5°F than May's typical 49.3°F.
Updated: May 4, 2025 @ 08:45:55 UTC
Published by: Weather U.S. | About Us
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