Weather forecast for 10 daysHerndon, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphN 1°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:22 pm EDT
- details ▼
On Sunday, October 18, sunshine and minimal clouds are in the outlook.
Significant temperature variations are expected, soaring to a maximum of an enjoyable 60.8°F and descending to a minimum of a cold 32°F.
The highest temperature for today is anticipated to reflect October's average of 61.3°F.
Sunrise will be at 7:22 am and sunset at 6:22 pm; the daylight will last for 11h and 1min.
Significant temperature variations are expected, soaring to a maximum of an enjoyable 60.8°F and descending to a minimum of a cold 32°F.
The highest temperature for today is anticipated to reflect October's average of 61.3°F.
Sunrise will be at 7:22 am and sunset at 6:22 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Minimum temperature: 61°C.
Minimum temperature: 61°C.
Chance of precipitation
Highest chance: Sunday 25.10. 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphN 1°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:22 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphN 8°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:23 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphN 3°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:24 am EDT
- Sunset: 6:19 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphN 10°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphN 356°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphNNE 13°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 34°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 4mphNE 40°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:28 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 36°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphNNW 348°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:29 am EDT
- Sunset: 6:12 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 5mphNNW 340°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:31 am EDT
- Sunset: 6:11 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphN 352°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:32 am EDT
- Sunset: 6:10 pm EDT
- details ▼
In the days ahead, a combination of sun-filled and cloud-filled weather is predicted.
Rainfall is not forecasted in Herndon in the upcoming days.
In the upcoming period, the highest temperature will range between 60.8°F and 68°F, while nighttime temperatures are expected to vary from 32°F to 42.8°F.
Tuesday and next Monday, with the highest temperature of 68°F, will be the warmest days; the coldest days will be Sunday, Friday and Saturday, with a maximum of 60.8°F.
Rainfall is not forecasted in Herndon in the upcoming days.
In the upcoming period, the highest temperature will range between 60.8°F and 68°F, while nighttime temperatures are expected to vary from 32°F to 42.8°F.
Tuesday and next Monday, with the highest temperature of 68°F, will be the warmest days; the coldest days will be Sunday, Friday and Saturday, with a maximum of 60.8°F.
Updated: Oct 18, 2026 @ 04:47:12 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
Frequently asked questions
Today, in Herndon, skies are expected to be clear and full of sunshine.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 32°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 44.2°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 44.2°F.
On Sunday, in Herndon, sunrise will be at 7:22 am and sunset at 6:22 pm (EDT).
In Herndon, the length of the day today will be 11h and 1min.
