Jonestown, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonestown, a city in Travis County, Texas.
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Northwest wind around 5 mph.
7-day forecast for Jonestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 52°F | Clear | 0 to 5 mph SE | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph SSW | 4% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 10 mph NW | 6% |
| Friday | 70°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 67°F | Partly Sunny | 5 mph N | 14% |
| Saturday Night | 49°F | Partly Cloudy | 0 to 5 mph N | 11% |
| Sunday | 68°F | Mostly Sunny | 5 mph N | 6% |
| Sunday Night | 47°F | Mostly Clear | 0 mph | 7% |
| Monday | 70°F | Sunny | 0 mph | 4% |
| Monday Night | 48°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 72°F | Mostly Sunny | 0 to 5 mph SSW | 4% |
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 Nov 4, 2026.