Herndon (VA)
10 day weather forecast for Herndon
Saturday, August 1st, 2026, at 06:55 PM
today
35° 19°
tomorrow
27° 22°
Monday
31° 22°
Tuesday
26° 22°
Wednesday
33° 21°
Thursday
34° 23°
Friday
36° 23°
Seemore
Herndon Weather Pages
Herndon weather forecast
The weather forecast for Herndon for today indicates hot conditions with temperatures around 35 °F.
Rain is expected from Sunday until Tuesday.
Wind speeds are expected to be breezy, averaging around 17 km/h.
On Sunday, expect a change in weather with temperatures reaching 27°C, and moderate rain with a 78% chance, accumulating about 4.55mm.
Herndon 14 days weather forecast
This weeks weather in Herndon. Click on a date for detailed forecasts
Sat. 1
35°
19°
0 mm
Sun. 2
27°
22°
4.6 mm
Mon. 3
31°
22°
7.4 mm
Tue. 4
26°
22°
4.8 mm
Wed. 5
33°
21°
0.1 mm
Thu. 6
34°
23°
0 mm
Fri. 7
36°
23°
0.1 mm
Sat. 8
35°
21°
3.8 mm
Sun. 9
35°
21°
5.6 mm
Mon. 10
35°
22°
27.8 mm
Tue. 11
34°
22°
6.9 mm
Wed. 12
32°
21°
4.5 mm
Thu. 13
31°
20°
1.9 mm
Fri. 14
33°
22°
4 mm
Further Ahead
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Access Herndon weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Herndon long range weather forecast
30 day weather forecast for Herndon
Important Notice
Our Herndon long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Herndon
The chart displays the expected rainfall values (in mm) over the next 14 days in Herndon, highlighting variations in precipitation levels for specific dates. ☔
Herndon Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Herndon over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Herndon
How warm is it in Herndon over the next 14 days?
Over the next two weeks, temperatures in Herndon are expected to range from around 19 °F on the coldest nights up to about 36 °F on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Herndon in the next two weeks?
Yes - rain is expected on about 12 of the next 14 days in Herndon, with roughly 71.4 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Herndon?
Maximum wind speeds in Herndon are forecast to reach about 20 km/h at their peak over the next 14 days.
When is the best time to visit Herndon?
For a month-by-month look at temperatures and rainfall, see our best time to visit Herndon guide.
How accurate is the 14-day forecast for Herndon?
Our Herndon forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Herndon?Get accurate weather forecasts for Herndon, located at latitude 38.97 and longitude -77.386. Stay updated with localized weather information tailored for Herndon.
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