Harker Heights, TX Weather & Growing Conditions
This Afternoon
97°F
Mostly Sunny
Mostly sunny. High near 97, with temperatures falling to around 94 in the afternoon. Heat index values as high as 98. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 75°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Sunday | 98°F | Mostly Sunny | 5 mph S | 1% |
| Sunday Night | 75°F | Partly Cloudy | 5 mph SSE | 5% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 16% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph ESE | 16% |
| Tuesday | 96°F | Mostly Sunny | 0 to 10 mph NNW | 12% |
| Tuesday Night | 74°F | Partly Cloudy | 5 to 10 mph NE | 11% |
| Wednesday | 97°F | Sunny | 5 to 10 mph NE | 5% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 10 mph E | 4% |
| Thursday | 96°F | Mostly Sunny | 0 to 10 mph E | 1% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 10 mph ESE | 1% |
| Friday | 96°F | Mostly Sunny | 0 to 10 mph E | 1% |
| Friday Night | 73°F | Partly Cloudy | 0 to 10 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harker Heights, TX
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
247 days
Hardiness zone
8b
Explore more for Harker Heights, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Killeen, Tx (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.