Herndon, AR Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Herndon, AR in one place.
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Local Weather Overview
This forecast page for Herndon, AR 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: Sep 15, 2026 3:29 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Herndon, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 3:29 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Herndon
Tuesday looks like the warmest upcoming period in Herndon at 99 degrees F.
Sunday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 3:29 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KNQA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 99. Heat index values as high as 109. South southwest wind 5 to 10 mph.
Mostly clear, with a low around 76. Heat index values as high as 105. South southeast wind around 5 mph.
Sunny, with a high near 99. Heat index values as high as 107. South wind 5 to 10 mph.
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Sunny, with a high near 98. West wind 0 to 5 mph.
Mostly clear, with a low around 74. East southeast wind around 0 mph.
Sunny, with a high near 98. South wind 0 to 5 mph.
Mostly clear, with a low around 73.
Sunny, with a high near 97.
Mostly clear, with a low around 73.
A slight chance of rain showers after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 15
|
Mostly Clear
|
75°F |
5 mph
SSE
|
|
Tuesday
Sep 15
|
Sunny
|
99°F |
5 to 10 mph
SSW
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
76°F |
5 mph
SSE
|
|
Wednesday
Sep 16
|
Sunny
|
99°F |
5 to 10 mph
S
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
76°F |
5 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
0 to 5 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
74°F |
0 mph
|
|
Friday
Sep 18
|
Sunny
|
98°F |
0 to 5 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
73°F |
5 mph
SSE
|
|
Saturday
Sep 19
|
Sunny
|
97°F |
0 to 5 mph
S
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
73°F |
5 mph
S
|
|
Sunday
Sep 20
|
Sunny then Slight Chance Rain Showers
|
94°F |
5 mph
S
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers
|
71°F |
5 mph
SSE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herndon.