Grand Bluff, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Bluff, TX in one place.
Sunny, with a high near 99. Heat index values as high as 105. South wind 0 to 5 mph.
Local Weather Overview
This forecast page for Grand Bluff, 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 11:16 AM CDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Grand Bluff, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 11:16 AM CDT
- Forecast office
- SHV
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Bluff
Wednesday looks like the warmest upcoming period in Grand Bluff at 100 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph E.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 11:16 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- SHV
- Radar station
- KSHV
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 102. Southeast wind 0 to 5 mph.
Mostly sunny, with a high near 100. East wind 0 to 5 mph.
Partly cloudy, with a low around 75.
Sunny, with a high near 98.
Mostly clear, with a low around 71.
Sunny, with a high near 98.
Mostly clear, with a low around 70.
Sunny, with a high near 98.
Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
99°F |
0 to 5 mph
S
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
75°F |
0 to 5 mph
SE
|
|
Wednesday
Sep 16
|
Mostly Sunny
|
100°F |
0 to 5 mph
E
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
75°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
0 to 10 mph
E
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
71°F |
0 to 5 mph
E
|
|
Friday
Sep 18
|
Sunny
|
98°F |
0 to 5 mph
E
|
|
Friday Night
Sep 18
|
Mostly Clear
|
70°F |
0 to 5 mph
E
|
|
Saturday
Sep 19
|
Sunny
|
98°F |
0 to 5 mph
S
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
72°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
0 to 5 mph
S
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Bluff.