Karnes City, TX Weather & Growing Conditions
Overnight
55°F
Clear
Clear, with a low around 55. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Clear | 5 mph N | 0% |
| Wednesday | 77°F | Sunny | 5 mph NNE | 0% |
| Wednesday Night | 55°F | Clear | 0 to 5 mph E | 0% |
| Thursday | 81°F | Sunny | 0 to 5 mph ESE | 3% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 15 mph NNE | 8% |
| Friday | 77°F | Sunny | 5 to 15 mph N | 1% |
| Friday Night | 55°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 72°F | Partly Sunny | 10 to 15 mph NNE | 13% |
| Saturday Night | 53°F | Chance Rain Showers | 5 to 15 mph NNE | 31% |
| Sunday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph NNE | 18% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 5 mph NNE | 7% |
| Monday | 70°F | Sunny | 0 to 5 mph NE | 4% |
| Monday Night | 50°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 73°F | Mostly Sunny | 0 to 5 mph ESE | 8% |
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 Nov 4, 2026.