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Herndon (VA)
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United States weather

10 day weather forecast for Herndon

Wednesday, June 17th, 2026, at 01:02
today
Sunny
32° 17°
tomorrow
Patchy rain possible
34° 21°
Friday
Sunny
29° 16°
Saturday
Sunny
27° 15°
Sunday
Sunny
29° 13°
Monday
Patchy rain possible
26° 18°
Tuesday
Sunny
28° 13°
 More Details See
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Herndon Weather Pages

Herndon weather forecast

The weather forecast for Herndon over the next 5 days indicates hot conditions with temperatures ranging from 27 °C to 34 °C.

Light rain is expected on Thursday, accompanied by a gentle breeze.

Weather today
Herndon weather forecast

Herndon 14 days weather forecast

This weeks weather in Herndon. Click on a date for detailed forecasts
Wed. 17
32°
17°
Sunny
0 mm
Thu. 18
34°
21°
Patchy rain possible
0.9 mm
Fri. 19
29°
16°
Sunny
0 mm
Sat. 20
27°
15°
Sunny
0 mm
Sun. 21
29°
13°
Sunny
0 mm
Mon. 22
26°
18°
Patchy rain possible
0.5 mm
Tue. 23
28°
13°
Sunny
0 mm
Wed. 24
30°
15°
Sunny
0 mm
Thu. 25
27°
20°
Patchy rain possible
3.9 mm
Fri. 26
32°
18°
Sunny
0 mm
Sat. 27
34°
20°
Sunny
0 mm
Sun. 28
35°
21°
Patchy rain possible
0.2 mm
Mon. 29
36°
20°
Patchy rain possible
1.8 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.
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Herndon long range weather forecast

30 day weather forecast for Herndon
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
25°
2
Sunny
24°
3
Sunny
28°
4
Sunny
32°
5
Sunny
34°
6
Moderate or heavy rain shower
33°
7
Partly cloudy
33°
8
Overcast
27°
9
Overcast
29°
10
Moderate or heavy rain shower
33°
11
Moderate rain at times
33°
12
Heavy rain at times
35°
13
Sunny
31°
14
Patchy rain possible
33°
15
Cloudy
26°
16
Mist
20°
17
Sunny
32°
18
Patchy rain possible
34°
19
Sunny
29°
20
Sunny
27°
21
Sunny
29°
22
Patchy rain possible
26°
23
Sunny
28°
24
Sunny
30°
25
Patchy rain possible
27°
26
Sunny
32°
27
Sunny
34°
28
Patchy rain possible
35°
29
Patchy rain possible
36°
30
Heavy rain at times
33°
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. 🌀

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Location coordinates 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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