Karnes County, TX Weather Forecast

County weather hub

68°
F

Partly Cloudy then Patchy Fog

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

Wednesday, May 27, 2026
Wind: 0 to 5 mph SE
Tonight

Patchy fog after 5am. Partly cloudy, with a low around 68. Southeast wind 0 to 5 mph.

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
May 27 to Jun 3, 2026
Latest sync
May 27, 2026 11:55 PM CDT
Forecast office
EWX
Source
NOAA / NWS
Next High
88°F
Thursday
Next Low
68°F
Tonight
Rain Outlook
5
Periods mentioning precipitation
Windiest
5 to 10 mph
Friday Night

Daily Outlook

Today
May 27
Partly Cloudy then Patchy Fog
68 °F
/ 68°F
Wind 0 to 5 mph
Thu
May 28
Patchy Fog then Mostly Sunny
88 °F
/ 72°F
Wind 0 to 5 mph
Fri
May 29
Mostly Sunny
89 °F
/ 73°F
Wind 0 to 5 mph
Sat
May 30
Partly Sunny
90 °F
/ 74°F
Wind 5 to 10 mph
Sun
May 31
Partly Sunny
91 °F
/ 74°F
Wind 0 to 10 mph
Mon
Jun 1
Partly Sunny then Slight Chance Showers And Thunderstorms
91 °F
/ 73°F
Wind 0 to 10 mph
Tue
Jun 2
Chance Showers And Thunderstorms
90 °F
/ 71°F
Wind 0 to 10 mph

This Week in Karnes County

Sunday looks like the warmest upcoming period in Karnes County at 91 degrees F.

Tonight is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Friday Night at about 5 to 10 mph SE.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
May 27, 2026 11:55 PM 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

Thursday
May 28
88°F
Patchy Fog then Mostly Sunny
0 to 5 mph ESE

Patchy fog before 9am. Mostly sunny, with a high near 88. East southeast wind 0 to 5 mph.

Thursday Night
May 28
72°F
Mostly Clear
0 to 5 mph SSE

Mostly clear, with a low around 72. South southeast wind 0 to 5 mph.

Friday
May 29
89°F
Mostly Sunny
0 to 5 mph SSE

Mostly sunny, with a high near 89. South southeast wind 0 to 5 mph.

Friday Night
May 29
73°F
Partly Cloudy
5 to 10 mph SE

Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

Saturday
May 30
90°F
Partly Sunny
5 to 10 mph SSE

Partly sunny, with a high near 90. South southeast wind 5 to 10 mph.

Saturday Night
May 30
74°F
Mostly Cloudy
5 to 10 mph SE

Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

Sunday
May 31
91°F
Partly Sunny
0 to 10 mph SSE

Partly sunny, with a high near 91. South southeast wind 0 to 10 mph.

Sunday Night
May 31
74°F
Partly Cloudy
0 to 10 mph SE

Partly cloudy, with a low around 74. Southeast wind 0 to 10 mph.

Monday
Jun 1
91°F
Partly Sunny then Slight Chance Showers And Thunderstorms
0 to 10 mph ESE

A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 20%.

Monday Night
Jun 1
73°F
Slight Chance Showers And Thunderstorms
0 to 10 mph SE

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Tuesday
Jun 2
90°F
Chance Showers And Thunderstorms
0 to 10 mph NE

A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Tuesday Night
Jun 2
71°F
Chance Showers And Thunderstorms then Partly Cloudy
0 to 10 mph ENE

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Wednesday
Jun 3
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
5 to 10 mph NE

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

Detailed Forecast

Period Conditions Temp Wind
Tonight
May 27
Partly Cloudy then Patchy Fog
68°F
0 to 5 mph
SE
Thursday
May 28
Patchy Fog then Mostly Sunny
88°F
0 to 5 mph
ESE
Thursday Night
May 28
Mostly Clear
72°F
0 to 5 mph
SSE
Friday
May 29
Mostly Sunny
89°F
0 to 5 mph
SSE
Friday Night
May 29
Partly Cloudy
73°F
5 to 10 mph
SE
Saturday
May 30
Partly Sunny
90°F
5 to 10 mph
SSE
Saturday Night
May 30
Mostly Cloudy
74°F
5 to 10 mph
SE
Sunday
May 31
Partly Sunny
91°F
0 to 10 mph
SSE
Sunday Night
May 31
Partly Cloudy
74°F
0 to 10 mph
SE
Monday
Jun 1
Partly Sunny then Slight Chance Showers And Thunderstorms
91°F
0 to 10 mph
ESE
Monday Night
Jun 1
Slight Chance Showers And Thunderstorms
73°F
0 to 10 mph
SE
Tuesday
Jun 2
Chance Showers And Thunderstorms
90°F
0 to 10 mph
NE
Tuesday Night
Jun 2
Chance Showers And Thunderstorms then Partly Cloudy
71°F
0 to 10 mph
ENE
Wednesday
Jun 3
Mostly Sunny then Slight Chance Showers And Thunderstorms
88°F
5 to 10 mph
NE

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.