Reservoir Number One Weather Forecast

Today 25 Jul
- 78
- 99
Hot
Sun 26 Jul
- 78
- 99
Hot
Mon 27 Jul
- 79
- 100
Hot
Tue 28 Jul
- 79
- 99
Hot
Wed 29 Jul
- 79
- 100
Hot
Thu 30 Jul
- 79
- 101
Hot

Today 25 Jul
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 26 Jul
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
Mon 27 Jul
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
Tue 28 Jul
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Wed 29 Jul
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Thu 30 Jul
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Fri 31 Jul
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm

Today 25 Jul Inland Cameron

Mostly sunny. Humid with Highs in the upper 90s. Southeast Winds 10 to 15 Mph. Heat index Values up to 108.

Tonight 25 Jul Inland Cameron

Mostly clear. Near steady temperature around 80. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Reservoir Number One Temperature Statistics

July Temperature

Harlingen, Rio Grande Valley International Airport (12.4 miles)

Lowest 26 January, 2026
26.7 °F
Average 2026
76.1 °F
Highest 22 July, 2026
104 °F
Lowest 3 June, 2026
73.7 °F
Average June
85.3 °F
Highest 18 June, 2026
100.7 °F
Lowest 22 July, 2026
71.1 °F
Average July
86.7 °F
Highest 22 July, 2026
104 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (12.4 miles)

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Average Low 2021–2026
65.8 °F
Average 2021–2026
75.9 °F
Average High 2021–2026
86.7 °F

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Reservoir Number One Weather Forecast

Today 25 Jul Inland Cameron

Tonight 25 Jul Inland Cameron

Sun 26 Jul Inland Cameron

Sun 26 Jul Inland Cameron

Mon 27 Jul Inland Cameron

Mon 27 Jul Inland Cameron

Tue 28 Jul Inland Cameron

Tue 28 Jul Inland Cameron

Wed 29 Jul Inland Cameron

Wed 29 Jul Inland Cameron

Thu 30 Jul Inland Cameron

Thu 30 Jul Inland Cameron

Fri 31 Jul Inland Cameron

Fri 31 Jul Inland Cameron

Temperature Forecast NOAA

Temperature Real-Time

Brownsville Radar

National Satellite

National Synoptic

Reservoir Number One Temperature Statistics

July Temperature

Harlingen, Rio Grande Valley International Airport (12.4 miles)

Lowest 26 January, 2026

Average 2026

Highest 22 July, 2026

Lowest 3 June, 2026

Average June

Highest 18 June, 2026

Lowest 22 July, 2026

Average July

Highest 22 July, 2026

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (12.4 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026