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 14 °F on the coldest nights up to about 31 °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 9 of the next 14 days in Herndon, with roughly 42.2 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 22 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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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 32°	2 31°	3 31°	4 34°	5 31°
6 30°	7 27°	8 28°	9 28°	10 27°	11 26°	12 29°
13 29°	14 28°	15 27°	16 29°	17 31°	18 28°	19 25°
20 28°	21 23°	22 25°	23 28°	24 28°	25 21°	26 25°
27 26°	28 27°	29 30°	30 25°