Sun Valley, TX Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Valley, TX in one place.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. East northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sun Valley, 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 13, 2026 12:37 PM CDT.
The active forecast window currently covers Jul 14 to Jul 19, 2026 for Sun Valley, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 12:37 PM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Valley
Sunday looks like the warmest upcoming period in Sun Valley at 95 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 12:37 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KSHV
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy. Low around 70, with temperatures rising to around 72 overnight. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 89, with temperatures falling to around 87 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 91. Southwest wind around 5 mph.
Partly cloudy, with a low around 73. South southwest wind around 5 mph.
Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
Mostly clear, with a low around 75.
Sunny, with a high near 95.
Clear, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
ENE
|
|
Tuesday Night
Jul 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
0 to 5 mph
S
|
|
Wednesday
Jul 15
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
5 mph
SW
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
5 mph
SSW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
91°F |
5 mph
SW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
73°F |
5 mph
SSW
|
|
Friday
Jul 17
|
Mostly Sunny
|
92°F |
5 to 10 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
5 mph
S
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
5 to 10 mph
SSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
75°F |
5 mph
SSW
|
|
Sunday
Jul 19
|
Sunny
|
95°F |
5 to 10 mph
SW
|
|
Sunday Night
Jul 19
|
Clear
|
76°F |
5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Valley.