Grassy Lake Weather Forecast

Today 13 Sep
- 75
- 100
Hot
Mon 14 Sep
- 74
- 98
Hot
Tue 15 Sep
- 74
- 98
Hot
Wed 16 Sep
- 74
- 97
Hot
Thu 17 Sep
- 72
- 97
Hot
Fri 18 Sep
- 71
- 95
Mostly Sunny

Today 13 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
Mon 14 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. 7 pm
19. 10 pm
Tue 15 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 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
Fri 18 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Sat 19 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm

Today 13 Sep Robertson

Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 13 Sep Robertson

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

Grassy Lake Temperature Statistics

September Temperature

Hearne, Hearne Municipal Airport (25.5 miles)

Lowest 27 January, 2026
17.6 °F
Average 2026
73 °F
Highest 22 July, 2026
105.8 °F
Lowest 3 August, 2026
68 °F
Average August
88 °F
Highest 22 August, 2026
105.8 °F
Lowest 1 September, 2026
75.2 °F
Average September
85.4 °F
Highest 1 September, 2026
102.2 °F

Climate (2021–2026)

Hearne, Hearne Municipal Airport (25.5 miles)

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Average Low 2021–2026
60.8 °F
Average 2021–2026
71.3 °F
Average High 2021–2026
82.8 °F

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Grassy Lake Weather Forecast

Today 13 Sep Robertson

Tonight 13 Sep Robertson

Mon 14 Sep Robertson

Mon 14 Sep Robertson

Tue 15 Sep Robertson

Tue 15 Sep Robertson

Wed 16 Sep Robertson

Wed 16 Sep Robertson

Thu 17 Sep Robertson

Thu 17 Sep Robertson

Fri 18 Sep Robertson

Fri 18 Sep Robertson

Sat 19 Sep Robertson

Sat 19 Sep Robertson

Temperature Forecast NOAA

Temperature Real-Time

Central Texas Radar

National Satellite

National Synoptic

Grassy Lake Temperature Statistics

September Temperature

Hearne, Hearne Municipal Airport (25.5 miles)

Lowest 27 January, 2026

Average 2026

Highest 22 July, 2026

Lowest 3 August, 2026

Average August

Highest 22 August, 2026

Lowest 1 September, 2026

Average September

Highest 1 September, 2026

Climate (2021–2026)

Hearne, Hearne Municipal Airport (25.5 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026