Armstrong, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong, TX in one place.
Mostly sunny, with a high near 101. Heat index values as high as 108. South southeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Armstrong, 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 10:43 AM CDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Armstrong, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 10:43 AM CDT
- Forecast office
- EWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Tuesday looks like the warmest upcoming period in Armstrong at 101 degrees F.
Friday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 10:43 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EWX
- Radar station
- KEWX
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 75. Heat index values as high as 104. Southeast wind 0 to 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 100. East southeast wind 0 to 10 mph.
Mostly clear, with a low around 76. East southeast wind 0 to 10 mph.
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 97. East northeast wind 0 to 10 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. East wind 0 to 10 mph. Chance of precipitation is 40%.
Mostly sunny, with a high near 98. East wind 0 to 5 mph.
Mostly clear, with a low around 71.
Sunny, with a high near 98.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Mostly Sunny
|
101°F |
0 to 10 mph
SSE
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
75°F |
0 to 10 mph
SE
|
|
Wednesday
Sep 16
|
Mostly Sunny
|
100°F |
0 to 10 mph
ESE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
76°F |
0 to 10 mph
ESE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
97°F |
0 to 10 mph
ENE
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
73°F |
0 to 10 mph
E
|
|
Friday
Sep 18
|
Mostly Sunny
|
98°F |
0 to 5 mph
E
|
|
Friday Night
Sep 18
|
Mostly Clear
|
71°F |
0 to 5 mph
ESE
|
|
Saturday
Sep 19
|
Sunny
|
98°F |
0 to 5 mph
ENE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
73°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
0 to 5 mph
WSW
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.