Brazos Island State Park Rainfall Forecast

Today 28 Sep
10%
Tue 29 Sep
20%
Wed 30 Sep
10%
Thu 1 Oct
50%
Fri 2 Oct
65%
Sat 3 Oct
65%
Sun 4 Oct
55%

Brazos Island State Park Rainfall Statistics

September Rainfall

Port Isabel, Port Isabel-Cameron County Airport (14.9 miles)

Total Rainfall 2026
14.4in
Daily Average 2026
0.1in
Wettest Day 27 May, 2026
2.7in
Wet Days 2026
41/271 (15%)
Total Rainfall August
0.2in
Daily Average August
0.01in
Wettest Day 30 August, 2026
0.1in
Wet Days August
2/31 (6%)
Total Rainfall September
0.5in
Daily Average September
0.02in
Wettest Day 18 September, 2026
0.3in
Wet Days September
3/28 (11%)

Climate (2021–2025)

Port Isabel, Port Isabel-Cameron County Airport (14.9 miles)

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Annual Average 2021–2025
28.3in
Monthly Average 2021–2026
2.2in
Daily Average 2021–2026
0.1in
Wettest Day 27 March, 2025
10.2in

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