Arnold, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Arnold, TX in one place.
Sunny, with a high near 101. Heat index values as high as 109. South wind 10 to 15 mph.
Local Weather Overview
This forecast page for Arnold, 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: Sep 14, 2026 10:42 AM CDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Arnold, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 10:42 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Arnold
Tuesday looks like the warmest upcoming period in Arnold at 101 degrees F.
Sunday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 10:42 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 106. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. South southeast wind 5 to 10 mph.
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. South southeast wind 5 to 10 mph.
Sunny, with a high near 98. South southeast wind 5 to 10 mph.
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Sunny, with a high near 98. South wind 0 to 10 mph.
Mostly clear, with a low around 73.
Sunny, with a high near 98.
Mostly clear, with a low around 74.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
101°F |
10 to 15 mph
S
|
|
Tuesday Night
Sep 15
|
Clear
|
77°F |
5 to 10 mph
SSE
|
|
Wednesday
Sep 16
|
Sunny
|
100°F |
5 to 10 mph
SSE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
77°F |
5 to 10 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
5 to 10 mph
SSE
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
75°F |
5 to 10 mph
SE
|
|
Friday
Sep 18
|
Sunny
|
98°F |
0 to 10 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
73°F |
5 mph
SSE
|
|
Saturday
Sep 19
|
Sunny
|
98°F |
5 to 10 mph
SSW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
74°F |
5 to 10 mph
SSE
|
|
Sunday
Sep 20
|
Mostly Sunny then Slight Chance Rain Showers
|
95°F |
10 mph
S
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers
|
72°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arnold.