Herndon, VA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Herndon, VA in one place.
Mostly sunny, with a high near 87. South wind 3 to 9 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: Jun 8, 2026 9:15 AM EDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Herndon, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 9:15 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Herndon
Thursday looks like the warmest upcoming period in Herndon at 97 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:15 AM EDT
- Coverage
- 6 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
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 68. South wind around 9 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 91. Southwest wind around 9 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 97. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
87°F |
3 to 9 mph
S
|
|
Tuesday Night
Jun 9
|
Mostly Cloudy then Slight Chance Rain Showers
|
68°F |
9 mph
S
|
|
Wednesday
Jun 10
|
Showers And Thunderstorms Likely
|
91°F |
9 mph
SW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
71°F |
2 to 7 mph
SW
|
|
Thursday
Jun 11
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
97°F |
2 to 7 mph
W
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
73°F |
2 to 6 mph
SW
|
|
Friday
Jun 12
|
Partly Sunny then Chance Showers And Thunderstorms
|
94°F |
2 to 7 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
70°F |
3 to 7 mph
NW
|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
6 mph
NW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
SW
|
|
Sunday
Jun 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
2 to 7 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
69°F |
2 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herndon.
