Saint Jo, TX Weather & Growing Conditions
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. West northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 70°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Thursday | 74°F | Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 48°F | Mostly Cloudy | 10 mph NNW | 12% |
| Friday | 66°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 64°F | Mostly Sunny | 5 mph N | 2% |
| Saturday Night | 44°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Sunday | 67°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 43°F | Mostly Clear | 0 mph | 0% |
| Monday | 70°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 2% |
| Tuesday | 73°F | Sunny | 5 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Saint Jo, TX
Last spring frost
Mar 24
First fall frost
Nov 8
Growing season
229 days
Hardiness zone
8a
Explore more for Saint Jo, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Bonita 7Nw, Tx (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.