Highland Haven, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland Haven, a city in Llano County, Texas.
This Afternoon
99°F
Partly Sunny
Partly sunny, with a high near 99. South southeast wind around 5 mph.
7-day forecast for Highland Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Partly Sunny | 5 mph SSE | 1% |
| Tonight | 74°F | Partly Cloudy | 5 mph SSE | 1% |
| Sunday | 100°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Sunday Night | 74°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SSE | 15% |
| Monday | 99°F | Slight Chance Rain Showers then Sunny | 0 to 5 mph SE | 15% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph ENE | 15% |
| Tuesday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 19% |
| Tuesday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 19% |
| Wednesday | 98°F | Mostly Sunny | 0 to 5 mph ENE | 9% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph ENE | 2% |
| Thursday | 97°F | Mostly Sunny | 0 to 10 mph E | 2% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Friday | 97°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Friday Night | 72°F | Partly Cloudy | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Highland Haven (30.607, -98.395). Updated through the day.
Growing snapshot for Highland Haven
Last spring frost
Mar 22
First fall frost
Nov 9
Growing season
235 days
Hardiness zone
8b
More local growing data for Highland Haven: nearby ZIP 78657 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Buchanan Dam
Buchanan Lake Village
Cottonwood Shores
Granite Shoals
Horseshoe Bay
Kingsland
Llano
Sunrise Beach Village
Tow
Climate data from the nearest NOAA station, Johnson City 2N, Tx (16.2 mi from Highland Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.