Sweeny, TX Weather Forecast

Local 7-day forecast

76°
F

Slight Chance Showers And Thunderstorms

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

Thursday, September 17, 2026
Wind: 0 to 5 mph NE
Overnight

A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 76. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Sweeny, 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 17, 2026 3:08 AM CDT.

The active forecast window currently covers Sep 17 to Sep 23, 2026 for Sweeny, TX.

Page Snapshot

Page focus
city weather
Forecast window
Sep 17 to Sep 23, 2026
Latest sync
Sep 17, 2026 3:08 AM CDT
Forecast office
HGX
Source
NOAA / NWS
Next High
91°F
Thursday
Next Low
76°F
Overnight
Rain Outlook
10
Periods mentioning precipitation
Windiest
5 to 10 mph
Thursday

Daily Outlook

Today
Sep 17
Chance Showers And Thunderstorms
91 °F
/ 76°F
Wind 5 to 10 mph
Fri
Sep 18
Sunny
93 °F
/ 72°F
Wind 5 to 10 mph
Sat
Sep 19
Sunny
93 °F
/ 74°F
Wind 0 to 5 mph
Sun
Sep 20
Sunny then Slight Chance Showers And Thunderstorms
93 °F
/ 74°F
Wind 0 to 5 mph
Mon
Sep 21
Chance Showers And Thunderstorms
92 °F
/ 73°F
Wind 0 to 5 mph
Tue
Sep 22
Chance Showers And Thunderstorms
92 °F
/ 73°F
Wind 0 to 5 mph
Wed
Sep 23
Chance Showers And Thunderstorms
93 °F
Wind 0 to 5 mph

This Week in Sweeny

Friday looks like the warmest upcoming period in Sweeny at 93 degrees F.

Friday Night is the coolest period ahead with temperatures near 72 degrees F.

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

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Sep 17, 2026 3:08 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
HGX
Radar station
KHGX

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

Open NOAA source

Extended Forecast

Thursday
Sep 17
91°F
Chance Showers And Thunderstorms
5 to 10 mph NE

A chance of showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 103. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night
Sep 17
75°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 to 10 mph E

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. East wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.

Friday
Sep 18
93°F
Sunny
5 to 10 mph E

Sunny, with a high near 93. East wind 5 to 10 mph.

Friday Night
Sep 18
72°F
Mostly Clear
0 to 10 mph NE

Mostly clear, with a low around 72. Northeast wind 0 to 10 mph.

Saturday
Sep 19
93°F
Sunny
0 to 5 mph E

Sunny, with a high near 93.

Saturday Night
Sep 19
74°F
Mostly Clear
0 to 5 mph NE

Mostly clear, with a low around 74.

Sunday
Sep 20
93°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 93. Chance of precipitation is 20%.

Sunday Night
Sep 20
74°F
Slight Chance Showers And Thunderstorms then Mostly Clear
0 to 5 mph E

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Chance of precipitation is 20%.

Monday
Sep 21
92°F
Chance Showers And Thunderstorms
0 to 5 mph E

A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

Monday Night
Sep 21
73°F
Chance Showers And Thunderstorms
0 to 5 mph NE

A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. Chance of precipitation is 40%.

Tuesday
Sep 22
92°F
Chance Showers And Thunderstorms
0 to 5 mph E

A chance of showers and thunderstorms after 7am. Sunny, with a high near 92. Chance of precipitation is 40%.

Tuesday Night
Sep 22
73°F
Chance Showers And Thunderstorms then Mostly Clear
0 to 5 mph NE

A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Chance of precipitation is 40%.

Wednesday
Sep 23
93°F
Chance Showers And Thunderstorms
0 to 5 mph NE

A chance of showers and thunderstorms after 7am. Sunny, with a high near 93.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 17
Slight Chance Showers And Thunderstorms
76°F
0 to 5 mph
NE
Thursday
Sep 17
Chance Showers And Thunderstorms
91°F
5 to 10 mph
NE
Thursday Night
Sep 17
Slight Chance Showers And Thunderstorms then Partly Cloudy
75°F
0 to 10 mph
E
Friday
Sep 18
Sunny
93°F
5 to 10 mph
E
Friday Night
Sep 18
Mostly Clear
72°F
0 to 10 mph
NE
Saturday
Sep 19
Sunny
93°F
0 to 5 mph
E
Saturday Night
Sep 19
Mostly Clear
74°F
0 to 5 mph
NE
Sunday
Sep 20
Sunny then Slight Chance Showers And Thunderstorms
93°F
0 to 5 mph
E
Sunday Night
Sep 20
Slight Chance Showers And Thunderstorms then Mostly Clear
74°F
0 to 5 mph
E
Monday
Sep 21
Chance Showers And Thunderstorms
92°F
0 to 5 mph
E
Monday Night
Sep 21
Chance Showers And Thunderstorms
73°F
0 to 5 mph
NE
Tuesday
Sep 22
Chance Showers And Thunderstorms
92°F
0 to 5 mph
E
Tuesday Night
Sep 22
Chance Showers And Thunderstorms then Mostly Clear
73°F
0 to 5 mph
NE
Wednesday
Sep 23
Chance Showers And Thunderstorms
93°F
0 to 5 mph
NE
Sweeny2015
Sweeny2015 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.