Herndon, VA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Herndon, VA in one place.
Sunny, with a high near 68. North wind 8 to 14 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Herndon, VA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 4:51 PM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Herndon, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:51 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Herndon
Wednesday looks like the warmest upcoming period in Herndon at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Saturday at about 8 to 14 mph N.
The forecast from Apr 11 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 4:51 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- LWX
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 47.
Mostly sunny, with a high near 74.
Mostly cloudy, with a low around 60.
Mostly cloudy, with a high near 82.
Mostly cloudy, with a low around 62.
Mostly sunny, with a high near 89.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 92.
Mostly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
68°F |
8 to 14 mph
N
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
47°F |
2 to 7 mph
NE
|
|
Sunday
Apr 12
|
Mostly Sunny
|
74°F |
2 to 13 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
60°F |
13 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
82°F |
13 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
62°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
89°F |
5 to 9 mph
SW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
66°F |
5 to 8 mph
SW
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
92°F |
5 to 9 mph
SW
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
68°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herndon.
