Harker Heights Weather Forecast

Today 11 Sep
- 76
- 99
Slight Chance Thunderstorms
Sat 12 Sep
- 75
- 99
Hot
Sun 13 Sep
- 75
- 99
Hot
Mon 14 Sep
- 75
- 99
Hot
Tue 15 Sep
- 75
- 99
Hot
Wed 16 Sep
- 75
- 98
Hot

Today 11 Sep
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Sat 12 Sep
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 4 pm
16. 7 pm
17. 10 pm
Sun 13 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
Mon 14 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Tue 15 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Wed 16 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Thu 17 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm

Today 11 Sep Bell

Mostly sunny. A 20 percent chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. South Winds around 5 Mph.

Tonight 11 Sep Bell

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

Harker Heights Temperature Statistics

September Temperature

Killeen, Skylark Field Airport (1.2 miles)

Lowest 26 January, 2026
15.1 °F
Average 2026
77.4 °F
Highest 23 August, 2026
105.1 °F
Lowest 2 August, 2026
71.1 °F
Average August
88.6 °F
Highest 23 August, 2026
105.1 °F
Lowest 5 September, 2026
75.7 °F
Average September
87.7 °F
Highest 2 September, 2026
101.6 °F

Climate (2021–2026)

Killeen, Skylark Field Airport (1.2 miles)

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Average Low 2021–2026
59.5 °F
Average 2021–2026
70.4 °F
Average High 2021–2026
81.6 °F

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Harker Heights Weather Forecast

Today 11 Sep Bell

Tonight 11 Sep Bell

Sat 12 Sep Bell

Sat 12 Sep Bell

Sun 13 Sep Bell

Sun 13 Sep Bell

Mon 14 Sep Bell

Mon 14 Sep Bell

Tue 15 Sep Bell

Tue 15 Sep Bell

Wed 16 Sep Bell

Wed 16 Sep Bell

Thu 17 Sep Bell

Thu 17 Sep Bell

Temperature Forecast NOAA

Temperature Real-Time

Central Texas Radar

National Satellite

National Synoptic

Harker Heights Temperature Statistics

September Temperature

Killeen, Skylark Field Airport (1.2 miles)

Lowest 26 January, 2026

Average 2026

Highest 23 August, 2026

Lowest 2 August, 2026

Average August

Highest 23 August, 2026

Lowest 5 September, 2026

Average September

Highest 2 September, 2026

Climate (2021–2026)

Killeen, Skylark Field Airport (1.2 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026