Castroville Weather Forecast

Today 29 Aug
- 74
- 98
Hot
Sun 30 Aug
- 74
- 98
Hot
Mon 31 Aug
- 74
- 99
Hot
Tue 1 Sep
- 74
- 99
Hot
Wed 2 Sep
- 74
- 99
Hot
Thu 3 Sep
- 74
- 99
Hot
Fri 4 Sep
- 75
- 99
Hot

Today 29 Aug
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
Sun 30 Aug
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 31 Aug
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 7 am
7. 10 am
8. 1 pm
9. 4 pm
10. 7 pm
Tue 1 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Wed 2 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Thu 3 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Fri 4 Sep
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm

Today 29 Aug Medina

Sunny. Highs in the upper 90s. Southeast Winds 5 to 10 Mph.

Tonight 29 Aug Medina

Clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

Castroville Temperature Statistics

August Temperature

Castroville Municipal Airport (1.9 miles)

Lowest 26 January, 2026
17.6 °F
Average 2026
73.5 °F
Highest 22 August, 2026
104 °F
Lowest 9 July, 2026
71.6 °F
Average July
84.8 °F
Highest 30 July, 2026
102.2 °F
Lowest 25 August, 2026
66.2 °F
Average August
87.3 °F
Highest 22 August, 2026
104 °F

Climate (2021–2026)

Castroville Municipal Airport (1.9 miles)

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Average Low 2021–2026
61.6 °F
Average 2021–2026
72.4 °F
Average High 2021–2026
84.5 °F

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Castroville Weather Forecast

Today 29 Aug Medina

Tonight 29 Aug Medina

Sun 30 Aug Medina

Sun 30 Aug Medina

Mon 31 Aug Medina

Mon 31 Aug Medina

Tue 1 Sep Medina

Tue 1 Sep Medina

Wed 2 Sep Medina

Wed 2 Sep Medina

Thu 3 Sep Medina

Thu 3 Sep Medina

Fri 4 Sep Medina

Fri 4 Sep Medina

Temperature Forecast NOAA

Temperature Real-Time

San Antonio Radar

National Satellite

National Synoptic

Castroville Temperature Statistics

August Temperature

Castroville Municipal Airport (1.9 miles)

Lowest 26 January, 2026

Average 2026

Highest 22 August, 2026

Lowest 9 July, 2026

Average July

Highest 30 July, 2026

Lowest 25 August, 2026

Average August

Highest 22 August, 2026

Climate (2021–2026)

Castroville Municipal Airport (1.9 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026