Harker Heights, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Harker Heights, a city in Bell County, Texas.

This Afternoon

98°F

Sunny

Sunny, with a high near 98. Heat index values as high as 101. Southeast wind 5 to 10 mph.

7-day forecast for Harker Heights

When	Temp	Forecast	Wind	Precip
This Afternoon	98°F	Sunny	5 to 10 mph SE	0%
Tonight	74°F	Mostly Clear	5 to 10 mph S	0%
Sunday	99°F	Mostly Sunny	5 mph S	1%
Sunday Night	75°F	Partly Cloudy	5 mph SSE	13%
Monday	98°F	Sunny then Slight Chance Showers And Thunderstorms	0 to 5 mph SSE	22%
Monday Night	74°F	Slight Chance Showers And Thunderstorms then Mostly Clear	0 to 5 mph ESE	22%
Tuesday	96°F	Sunny then Slight Chance Showers And Thunderstorms	0 to 10 mph NNE	16%
Tuesday Night	73°F	Slight Chance Showers And Thunderstorms then Partly Cloudy	5 to 10 mph NE	16%
Wednesday	96°F	Mostly Sunny	5 to 10 mph NE	11%
Wednesday Night	72°F	Partly Cloudy	0 to 10 mph E	2%
Thursday	95°F	Mostly Sunny	0 to 10 mph E	2%
Thursday Night	71°F	Partly Cloudy	0 to 10 mph ESE	2%
Friday	94°F	Mostly Sunny	0 to 10 mph E	2%
Friday Night	69°F	Partly Cloudy	0 to 10 mph ESE	2%

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

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

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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 Sep 19, 2026.