Karnes County, TX Weather Forecast

County weather hub

77°
F

Chance Showers And Thunderstorms

Compare major city weather across Karnes County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, July 14, 2026
Wind: 5 mph SE
Overnight

A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Karnes County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Karnes County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 14 to Jul 20, 2026
Latest sync
Jul 14, 2026 5:19 AM CDT
Forecast office
EWX
Source
NOAA / NWS
Next High
88°F
Tuesday
Next Low
77°F
Overnight
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 15 mph
Thursday

Daily Outlook

Today
Jul 14
Chance Showers And Thunderstorms
88 °F
/ 77°F
Wind 5 to 10 mph
Wed
Jul 15
Showers And Thunderstorms Likely
86 °F
/ 75°F
Wind 5 to 10 mph
Thu
Jul 16
Chance Showers And Thunderstorms
90 °F
/ 76°F
Wind 5 to 15 mph
Fri
Jul 17
Partly Sunny
92 °F
/ 76°F
Wind 10 to 15 mph
Sat
Jul 18
Partly Sunny
94 °F
/ 74°F
Wind 5 to 15 mph
Sun
Jul 19
Mostly Sunny
95 °F
/ 74°F
Wind 5 to 15 mph
Mon
Jul 20
Sunny
96 °F
Wind 0 to 10 mph

This Week in Karnes County

Monday looks like the warmest upcoming period in Karnes County at 96 degrees F.

Saturday Night is the coolest period ahead with temperatures near 74 degrees F.

The strongest winds are forecast for Thursday at about 5 to 15 mph SE.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 5:19 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
EWX
Radar station
KEWX

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

Open NOAA source

Extended Forecast

Tuesday
Jul 14
88°F
Chance Showers And Thunderstorms
5 to 10 mph SE

A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night
Jul 14
75°F
Chance Showers And Thunderstorms
5 to 10 mph ESE

A chance of showers and thunderstorms. Cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Wednesday
Jul 15
86°F
Showers And Thunderstorms Likely
5 to 10 mph ESE

Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

Wednesday Night
Jul 15
75°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
5 to 10 mph ESE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.

Thursday
Jul 16
90°F
Chance Showers And Thunderstorms
5 to 15 mph SE

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Thursday Night
Jul 16
76°F
Chance Showers And Thunderstorms then Mostly Cloudy
10 to 15 mph SE

A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Friday
Jul 17
92°F
Partly Sunny
10 to 15 mph SE

Partly sunny, with a high near 92. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Friday Night
Jul 17
76°F
Mostly Cloudy
5 to 15 mph SE

Mostly cloudy, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday
Jul 18
94°F
Partly Sunny
5 to 15 mph SSE

Partly sunny, with a high near 94.

Saturday Night
Jul 18
74°F
Partly Cloudy
5 to 15 mph SE

Partly cloudy, with a low around 74.

Sunday
Jul 19
95°F
Mostly Sunny
5 to 15 mph SE

Mostly sunny, with a high near 95.

Sunday Night
Jul 19
74°F
Mostly Clear
5 to 15 mph SSE

Mostly clear, with a low around 74.

Monday
Jul 20
96°F
Sunny
0 to 10 mph SSE

Sunny, with a high near 96.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 14
Chance Showers And Thunderstorms
77°F
5 mph
SE
Tuesday
Jul 14
Chance Showers And Thunderstorms
88°F
5 to 10 mph
SE
Tuesday Night
Jul 14
Chance Showers And Thunderstorms
75°F
5 to 10 mph
ESE
Wednesday
Jul 15
Showers And Thunderstorms Likely
86°F
5 to 10 mph
ESE
Wednesday Night
Jul 15
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
75°F
5 to 10 mph
ESE
Thursday
Jul 16
Chance Showers And Thunderstorms
90°F
5 to 15 mph
SE
Thursday Night
Jul 16
Chance Showers And Thunderstorms then Mostly Cloudy
76°F
10 to 15 mph
SE
Friday
Jul 17
Partly Sunny
92°F
10 to 15 mph
SE
Friday Night
Jul 17
Mostly Cloudy
76°F
5 to 15 mph
SE
Saturday
Jul 18
Partly Sunny
94°F
5 to 15 mph
SSE
Saturday Night
Jul 18
Partly Cloudy
74°F
5 to 15 mph
SE
Sunday
Jul 19
Mostly Sunny
95°F
5 to 15 mph
SE
Sunday Night
Jul 19
Mostly Clear
74°F
5 to 15 mph
SSE
Monday
Jul 20
Sunny
96°F
0 to 10 mph
SSE

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Karnes County.

Largest mapped city population in this region: 3,388.

Karnes County  Texas  Courthouse IMG 2720
Karnes County Texas Courthouse IMG 2720 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.