Alton, TX Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Alton, TX in one place.
Partly cloudy, with a low around 77. Southeast wind around 6 mph.
Local Weather Overview
This forecast page for Alton, 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: Jul 10, 2026 6:22 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Alton, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 6:22 AM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in Alton
Sunday looks like the warmest upcoming period in Alton at 98 degrees F.
Overnight is the coolest period ahead with temperatures near 77 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 16 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 6:22 AM 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
A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 105. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 108. Southeast wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Southeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Southeast wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Southeast wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Southeast wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Southeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 98. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 78. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
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 78. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Partly Cloudy
|
77°F |
6 mph
SE
|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
94°F |
6 to 14 mph
SE
|
|
Friday Night
Jul 10
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
8 to 15 mph
SE
|
|
Saturday
Jul 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
97°F |
7 to 14 mph
SE
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
6 to 14 mph
SE
|
|
Sunday
Jul 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
5 to 15 mph
SE
|
|
Sunday Night
Jul 12
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
7 to 15 mph
SE
|
|
Monday
Jul 13
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
7 to 15 mph
SE
|
|
Monday Night
Jul 13
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
9 to 15 mph
SE
|
|
Tuesday
Jul 14
|
Mostly Sunny
|
98°F |
8 to 15 mph
SE
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
78°F |
9 to 15 mph
SE
|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
8 to 16 mph
SE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
7 to 16 mph
SE
|
|
Thursday
Jul 16
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
97°F |
7 to 15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alton.