Falls City, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Falls City, a city in Karnes County, Texas.
Tonight
74°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. East southeast wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Falls City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph ESE | 16% |
| Saturday | 99°F | Sunny | 0 to 5 mph E | 2% |
| Saturday Night | 74°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Sunday | 100°F | Sunny | 0 to 5 mph SE | 1% |
| Sunday Night | 75°F | Partly Cloudy | 5 to 10 mph SE | 1% |
| Monday | 100°F | Sunny | 0 to 5 mph ESE | 9% |
| Monday Night | 75°F | Mostly Clear | 0 to 10 mph ESE | 10% |
| Tuesday | 101°F | Sunny | 0 to 10 mph ENE | 10% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 16% |
| Wednesday | 101°F | Sunny | 0 to 10 mph ENE | 12% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 10 mph E | 8% |
| Thursday | 100°F | Sunny | 5 to 10 mph ENE | 13% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 10 mph E | 13% |
| Friday | 99°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Falls City (28.982, -98.022). Updated through the day.
Growing snapshot for Falls City
Last spring frost
Feb 16
First fall frost
Dec 9
Growing season
300 days
Hardiness zone
9a
More local growing data for Falls City: nearby ZIP 78117 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Karnes City 2N, Tx (3.6 mi from Falls City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.