Armstrong's Alton Colonia, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong's Alton Colonia, TX in one place.
Sunny, with a high near 101. Heat index values as high as 107. Southeast wind around 16 mph, with gusts as high as 28 mph.
Local Weather Overview
This forecast page for Armstrong's Alton Colonia, 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 15, 2026 1:47 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Armstrong's Alton Colonia, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:47 PM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong's Alton Colonia
Today looks like the warmest upcoming period in Armstrong's Alton Colonia at 101 degrees F.
Friday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Tonight at about 6 to 17 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:47 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- BRO
- Radar station
- KBRO
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 78. Southeast wind 6 to 17 mph, with gusts as high as 29 mph.
Sunny, with a high near 100. Heat index values as high as 109. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Partly cloudy, with a low around 78. East wind 0 to 14 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Northeast wind 1 to 9 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Northeast wind 0 to 10 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 96. East northeast wind 1 to 9 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. East northeast wind 0 to 10 mph. Chance of precipitation is 40%.
Sunny, with a high near 98. East northeast wind 0 to 8 mph.
Mostly clear, with a low around 77. East southeast wind 2 to 12 mph.
Sunny, with a high near 99. East southeast wind 1 to 8 mph.
Partly cloudy, with a low around 77.
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. Mostly clear, with a low around 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Sunny
|
101°F |
16 mph
SE
|
|
Tonight
Sep 15
|
Mostly Clear
|
78°F |
6 to 17 mph
SE
|
|
Wednesday
Sep 16
|
Sunny
|
100°F |
5 to 13 mph
ESE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
78°F |
0 to 14 mph
E
|
|
Thursday
Sep 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
96°F |
1 to 9 mph
NE
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
78°F |
0 to 10 mph
NE
|
|
Friday
Sep 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
96°F |
1 to 9 mph
ENE
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 10 mph
ENE
|
|
Saturday
Sep 19
|
Sunny
|
98°F |
0 to 8 mph
ENE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
77°F |
2 to 12 mph
ESE
|
|
Sunday
Sep 20
|
Sunny
|
99°F |
1 to 8 mph
ESE
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
77°F |
1 to 12 mph
ESE
|
|
Monday
Sep 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
1 to 8 mph
E
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms
|
77°F |
2 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong's Alton Colonia.