Jourdanton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jourdanton, a city in Atascosa County, Texas.
Today
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 104. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Jourdanton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Mostly Sunny | 5 to 15 mph SE | 7% |
| Tonight | 76°F | Mostly Clear | 5 to 15 mph SE | 7% |
| Wednesday | 100°F | Mostly Sunny | 5 to 10 mph SE | 1% |
| Wednesday Night | 77°F | Mostly Clear | 5 to 15 mph SE | 1% |
| Thursday | 99°F | Sunny | 5 to 10 mph SE | 3% |
| Thursday Night | 76°F | Mostly Clear | 5 to 15 mph SE | 3% |
| Friday | 98°F | Mostly Sunny | 0 to 10 mph SE | 6% |
| Friday Night | 76°F | Mostly Clear | 0 to 10 mph SE | 8% |
| Saturday | 97°F | Sunny | 0 to 5 mph SE | 4% |
| Saturday Night | 76°F | Mostly Clear | 0 to 10 mph SE | 3% |
| Sunday | 97°F | Sunny | 0 to 10 mph SE | 5% |
| Sunday Night | 76°F | Mostly Clear | 5 to 10 mph SE | 3% |
| Monday | 98°F | Mostly Sunny | 0 to 10 mph SE | 5% |
| Monday Night | 76°F | Mostly Clear | 10 to 15 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Jourdanton (28.914, -98.541). Updated through the day.
Growing snapshot for Jourdanton
Last spring frost
Feb 27
First fall frost
Nov 28
Growing season
274 days
Hardiness zone
9a
More local growing data for Jourdanton: nearby ZIP 78064 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pleasanton, Tx (3.8 mi from Jourdanton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.