Karnes County, TX Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Karnes County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 95. Heat index values as high as 105. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
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
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 10:01 PM CDT
- Forecast office
- EWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Karnes County
Tuesday looks like the warmest upcoming period in Karnes County at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NNE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 10:01 PM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
A slight chance of rain showers after 1pm. Sunny, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 69. East wind 0 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunny, with a high near 86.
Partly cloudy, with a low around 63.
Mostly sunny, with a high near 78.
Mostly clear, with a low around 57.
A slight chance of rain showers between 7am and 1pm. Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
95°F |
5 to 15 mph
SSE
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
75°F |
10 to 15 mph
SE
|
|
Wednesday
Oct 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
10 to 15 mph
SE
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
5 to 15 mph
SE
|
|
Thursday
Oct 15
|
Sunny then Slight Chance Rain Showers
|
92°F |
5 to 15 mph
SE
|
|
Thursday Night
Oct 15
|
Slight Chance Rain Showers then Mostly Clear
|
69°F |
0 to 15 mph
E
|
|
Friday
Oct 16
|
Sunny
|
86°F |
15 to 25 mph
NNE
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
63°F |
20 to 25 mph
NNE
|
|
Saturday
Oct 17
|
Mostly Sunny
|
78°F |
15 to 25 mph
NNE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
57°F |
5 to 15 mph
NNE
|
|
Sunday
Oct 18
|
Slight Chance Rain Showers
|
80°F |
5 to 10 mph
NE
|
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.