Jonestown, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonestown, a city in Travis County, Texas.
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South southeast wind 0 to 5 mph.
7-day forecast for Jonestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Sunday | 97°F | Mostly Sunny | 5 mph SSE | 0% |
| Sunday Night | 76°F | Partly Cloudy | 5 mph SSE | 14% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SSE | 15% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NNE | 13% |
| Tuesday Night | 75°F | Partly Cloudy | 0 to 5 mph ENE | 11% |
| Wednesday | 97°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 5 mph E | 6% |
| Thursday | 96°F | Mostly Sunny | 0 to 5 mph ENE | 6% |
| Thursday Night | 74°F | Partly Cloudy | 0 to 5 mph E | 5% |
| Friday | 95°F | Mostly Sunny | 0 to 5 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Jonestown (30.482, -97.932). Updated through the day.
Growing snapshot for Jonestown
Last spring frost
Mar 11
First fall frost
Nov 20
Growing season
254 days
Hardiness zone
9a
More local growing data for Jonestown: nearby ZIP 78645 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Austin Great Hills, Tx (12.5 mi from Jonestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.