Saint Jo, TX Weather & Growing Conditions
Overnight
74°F
Partly Cloudy
Partly cloudy. Low around 74, with temperatures rising to around 76 overnight. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Partly Cloudy | 10 mph S | 0% |
| Saturday | 98°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 75°F | Mostly Clear | 10 mph SSE | 3% |
| Sunday | 98°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph S | 49% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SSE | 50% |
| Monday | 91°F | Chance Showers And Thunderstorms | 5 mph NE | 40% |
| Monday Night | 66°F | Partly Cloudy | 5 to 10 mph NE | 13% |
| Tuesday | 86°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 17% |
| Tuesday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 10% |
| Wednesday | 87°F | Mostly Sunny | 5 to 10 mph ENE | 14% |
| Wednesday Night | 64°F | Partly Cloudy | 5 mph E | 7% |
| Thursday | 88°F | Mostly Sunny | 5 mph ESE | 8% |
| Thursday Night | 66°F | Partly Cloudy | 5 mph ESE | 5% |
| Friday | 89°F | Partly Sunny | 5 mph ESE | 8% |
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 Sep 19, 2026.