Gratis, TX Weather Forecast

Local 7-day forecast

91°
F

Mostly Sunny then Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Gratis, TX in one place.

Tuesday, September 15, 2026
Wind: 0 to 5 mph SE
Tuesday

A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Gratis, 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 Gratis, 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
LCH
Source
NOAA / NWS
Next High
91°F
Tuesday
Next Low
75°F
Tuesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 10 mph
Thursday

Daily Outlook

Today
Sep 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
91 °F
/ 75°F
Wind 0 to 5 mph
Wed
Sep 16
Mostly Sunny then Slight Chance Showers And Thunderstorms
91 °F
/ 75°F
Wind 0 to 5 mph
Thu
Sep 17
Mostly Sunny
89 °F
/ 71°F
Wind 5 to 10 mph
Fri
Sep 18
Sunny
90 °F
/ 71°F
Wind 0 to 5 mph
Sat
Sep 19
Sunny then Slight Chance Showers And Thunderstorms
90 °F
/ 73°F
Wind 0 to 5 mph
Sun
Sep 20
Chance Showers And Thunderstorms
88 °F
/ 73°F
Wind 0 to 5 mph

This Week in Gratis

Tuesday looks like the warmest upcoming period in Gratis at 91 degrees F.

Thursday Night is the coolest period ahead with temperatures near 71 degrees F.

The strongest winds are forecast for Thursday at about 5 to 10 mph E.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 11:16 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LCH
Radar station
KLCH

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Sep 15
75°F
Mostly Clear
0 to 5 mph SE

Mostly clear, with a low around 75. Heat index values as high as 100. Southeast wind 0 to 5 mph.

Wednesday
Sep 16
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 to 5 mph E

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. East wind 0 to 5 mph. Chance of precipitation is 20%.

Wednesday Night
Sep 16
75°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
5 mph E

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%.

Thursday
Sep 17
89°F
Mostly Sunny
5 to 10 mph E

Mostly sunny, with a high near 89. East wind 5 to 10 mph.

Thursday Night
Sep 17
71°F
Mostly Clear
0 mph

Mostly clear, with a low around 71. East wind around 0 mph.

Friday
Sep 18
90°F
Sunny
0 to 5 mph E

Sunny, with a high near 90. East wind 0 to 5 mph.

Friday Night
Sep 18
71°F
Mostly Clear
0 mph

Mostly clear, with a low around 71.

Saturday
Sep 19
90°F
Sunny then Slight Chance Showers And Thunderstorms
0 to 5 mph E

A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Chance of precipitation is 20%.

Saturday Night
Sep 19
73°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 mph

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Sunday
Sep 20
88°F
Chance Showers And Thunderstorms
0 to 5 mph E

A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Sunday Night
Sep 20
73°F
Chance Showers And Thunderstorms then Partly Cloudy
0 mph

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
91°F
0 to 5 mph
SE
Tuesday Night
Sep 15
Mostly Clear
75°F
0 to 5 mph
SE
Wednesday
Sep 16
Mostly Sunny then Slight Chance Showers And Thunderstorms
91°F
0 to 5 mph
E
Wednesday Night
Sep 16
Slight Chance Showers And Thunderstorms then Partly Cloudy
75°F
5 mph
E
Thursday
Sep 17
Mostly Sunny
89°F
5 to 10 mph
E
Thursday Night
Sep 17
Mostly Clear
71°F
0 mph
Friday
Sep 18
Sunny
90°F
0 to 5 mph
E
Friday Night
Sep 18
Mostly Clear
71°F
0 mph
Saturday
Sep 19
Sunny then Slight Chance Showers And Thunderstorms
90°F
0 to 5 mph
E
Saturday Night
Sep 19
Slight Chance Showers And Thunderstorms then Partly Cloudy
73°F
0 mph
Sunday
Sep 20
Chance Showers And Thunderstorms
88°F
0 to 5 mph
E
Sunday Night
Sep 20
Chance Showers And Thunderstorms then Partly Cloudy
73°F
0 mph
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.