Alison Air Park Rainfall Forecast

Today 21 Sep
25%
Tue 22 Sep
20%
Wed 23 Sep
25%
Thu 24 Sep
5%
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain
Sun 27 Sep
5%

Alison Air Park Rainfall Statistics

September Rainfall

San Marcos, San Marcos Municipal Airport (4.3 miles)

Total Rainfall 2026
18.9in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
2in
Wet Days 2026
58/264 (22%)
Total Rainfall August
0.6in
Daily Average August
0.02in
Wettest Day 28 August, 2026
0.4in
Wet Days August
3/31 (10%)
Total Rainfall September
0.4in
Daily Average September
0.02in
Wettest Day 11 September, 2026
0.3in
Wet Days September
2/21 (10%)

Climate (2021–2025)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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Annual Average 2021–2025
15.4in
Monthly Average 2021–2026
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 6 April, 2023
2.8in

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