Weather forecast for 10 daysHerndon, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphN 351°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:22 pm EDT
- details ▼
Today, on Sunday, October 18, sun-filled conditions are expected to persist.
Significant variations in temperature are predicted, peaking at an enjoyable 60.8°F and dropping to a low of a wintry 32°F.
Today, the forecasted temperature will match October's typical high 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 variations in temperature are predicted, peaking at an enjoyable 60.8°F and dropping to a low of a wintry 32°F.
Today, the forecasted temperature will match October's typical high 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 - Monday 12%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphN 351°
- Humidity: 55%
- 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: 9mphN 2°
- 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: 7%
- Precipitation: 0"
- Wind: 6mphN 9°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°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: 6%
- Precipitation: 0"
- Wind: 7mphNNE 13°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 32°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphENE 57°
- 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: 12%
- Precipitation: 0"
- Wind: 4mphNNW 339°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:29 am EDT
- Sunset: 6:12 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 41°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 5mphNNW 341°
- 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: 65%
- UV index: 4
- Sunrise: 7:32 am EDT
- Sunset: 6:10 pm EDT
- details ▼
Over the next ten days, primarily bright and occasionally dull weather is forecasted.
Rainfall is not predicted in Herndon in the upcoming days.
In the upcoming period, the highest temperature will vary between 60.8°F and 68°F, while nighttime temperatures are expected to vary from 32°F to 41°F.
With a maximum temperature of 68°F, Tuesday and next Monday will be the warmest days; Sunday, Friday and Saturday, with the highest temperature of 60.8°F, will be the coldest days.
Rainfall is not predicted in Herndon in the upcoming days.
In the upcoming period, the highest temperature will vary between 60.8°F and 68°F, while nighttime temperatures are expected to vary from 32°F to 41°F.
With a maximum temperature of 68°F, Tuesday and next Monday will be the warmest days; Sunday, Friday and Saturday, with the highest temperature of 60.8°F, will be the coldest days.
Updated: Oct 18, 2026 @ 06:28:17 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, uninterrupted sunshine is anticipated.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 32°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 44.2°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly 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.
