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 77.
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: May 28, 2026 12:16 AM EDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Herndon, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 12:16 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Herndon
Saturday looks like the warmest upcoming period in Herndon at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 12:16 AM 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 52.
Sunny, with a high near 74.
Partly cloudy, with a low around 55.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 56.
A chance of rain showers after 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
77°F |
6 to 12 mph
NW
|
|
Saturday Night
May 30
|
Mostly Clear
|
52°F |
5 to 10 mph
N
|
|
Sunday
May 31
|
Sunny
|
74°F |
7 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
55°F |
6 mph
S
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
3 to 8 mph
NW
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms
|
56°F |
3 to 7 mph
N
|
|
Tuesday
Jun 2
|
Chance Rain Showers
|
74°F |
5 to 8 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Rain Showers
|
55°F |
2 to 7 mph
N
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers
|
75°F |
3 to 8 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herndon.
