Karnes County, TX Weather Forecast
County weather hub
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.
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 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
Daily Outlook
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 sourceExtended Forecast
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.
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.
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%.
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%.
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%.
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%.
Partly sunny, with a high near 92. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly cloudy, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Partly sunny, with a high near 94.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 95.
Mostly clear, with a low around 74.
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
|
Major City Forecasts
Live forecast snapshots for major cities across Karnes County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Karnes County.
Largest mapped city population in this region: 3,388.