Karnes City, TX Weather & Growing Conditions
Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. East southeast wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Partly Cloudy | 0 to 10 mph ESE | 1% |
| Saturday | 98°F | Sunny | 0 to 10 mph E | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Sunday | 99°F | Sunny | 0 to 5 mph SE | 1% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 10 mph SE | 1% |
| Monday | 99°F | Sunny | 0 to 5 mph ESE | 10% |
| Monday Night | 75°F | Mostly Clear | 0 to 10 mph ESE | 10% |
| Tuesday | 99°F | Sunny | 0 to 10 mph ENE | 12% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 15% |
| Wednesday | 99°F | Sunny | 0 to 10 mph ENE | 9% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 10 mph E | 7% |
| Thursday | 99°F | Sunny | 5 to 10 mph ENE | 14% |
| Thursday Night | 74°F | Mostly Clear | 0 to 10 mph E | 14% |
| Friday | 98°F | Mostly Sunny | 5 to 10 mph ENE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Karnes City, TX
Last spring frost
Feb 16
First fall frost
Dec 9
Growing season
300 days
Hardiness zone
9a
Explore more for Karnes City, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Karnes City 2N, Tx (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.