Herndon, TX Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Herndon, TX in one place.
A chance of rain showers. Mostly cloudy, with a high near 61. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Herndon, TX 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: Nov 5, 2026 4:43 PM CST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Herndon, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:43 PM CST
- Forecast office
- SJT
- Source
- NOAA / NWS
Daily Outlook
This Week in Herndon
Veterans Day looks like the warmest upcoming period in Herndon at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Saturday at about 5 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 4:43 PM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- SJT
- Radar station
- KDYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 49. North northeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 65. Northeast wind around 0 mph.
Partly cloudy, with a low around 49. Southwest wind 0 to 5 mph.
Sunny, with a high near 69. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 51. Southwest wind 0 to 5 mph.
Sunny, with a high near 73.
Mostly clear, with a low around 54.
Sunny, with a high near 75.
Mostly clear, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Chance Rain Showers
|
61°F |
5 mph
NE
|
|
Saturday Night
Nov 7
|
Chance Rain Showers
|
49°F |
0 to 5 mph
NNE
|
|
Sunday
Nov 8
|
Partly Sunny
|
65°F |
0 mph
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
49°F |
0 to 5 mph
SW
|
|
Monday
Nov 9
|
Sunny
|
69°F |
0 to 5 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
51°F |
0 to 5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
73°F |
5 mph
SW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
54°F |
5 mph
SSW
|
|
Veterans Day
Nov 11
|
Sunny
|
75°F |
5 mph
SW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
53°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herndon.