Harker Heights, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harker Heights, a city in Bell County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 99. South southeast wind 5 to 10 mph.
7-day forecast for Harker Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 to 10 mph SSE | 0% |
| Tonight | 76°F | Clear | 5 to 10 mph S | 0% |
| Wednesday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 75°F | Mostly Clear | 5 to 10 mph S | 1% |
| Thursday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Friday | 98°F | Sunny | 5 mph S | 2% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 6% |
| Saturday | 96°F | Sunny | 5 mph SSE | 4% |
| Saturday Night | 75°F | Mostly Clear | 5 mph SSE | 4% |
| Sunday | 96°F | Sunny | 5 to 10 mph SSE | 3% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 5% |
| Monday | 96°F | Sunny | 5 to 10 mph S | 5% |
| Monday Night | 75°F | Mostly Clear | 10 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Harker Heights (31.057, -97.644). Updated through the day.
Growing snapshot for Harker Heights
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
247 days
Hardiness zone
8b
More local growing data for Harker Heights: nearby ZIP 76548 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Bartlett
Belton
Fort Hood
Holland
Killeen
Little River-Academy
Moody
Morgan's Point Resort
Nolanville
Pendleton
Rogers
Salado
Temple
Troy
Climate data from the nearest NOAA station, Killeen, Tx (3.1 mi from Harker Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.