Johnson City, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnson City, a city in Blanco County, Texas.
This Afternoon
73°F
Sunny
Sunny, with a high near 73. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast for Johnson City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 5 to 10 mph NNW | 0% |
| Tonight | 47°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 73°F | Sunny | 0 mph | 0% |
| Wednesday Night | 49°F | Mostly Clear | 0 mph | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph SW | 2% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 10 mph NW | 1% |
| Friday | 70°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 47°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 67°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Saturday Night | 46°F | Mostly Cloudy | 0 to 5 mph N | 11% |
| Sunday | 68°F | Mostly Sunny | 0 to 5 mph N | 7% |
| Sunday Night | 44°F | Mostly Clear | 0 mph | 6% |
| Monday | 71°F | Sunny | 0 mph | 9% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Johnson City (30.272, -98.407). Updated through the day.
Growing snapshot for Johnson City
Last spring frost
Mar 22
First fall frost
Nov 9
Growing season
235 days
Hardiness zone
8b
More local growing data for Johnson City: nearby ZIP 78636 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Johnson City 2N, Tx (1.5 mi from Johnson City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.