0in

Rain Today

Rain Last Hour
0in

Recorded at San Marcos, San Marcos Municipal Airport Updated 16 mins ago (4.6 miles away)

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Real-Time Extremes

Hottest 102.1 °F
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Coldest 33.7 °F
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Windiest 31.1mph
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Wettest (Last Hour) 1.4in
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Most Humid 100%
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Least Humid 7%
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Highest Pressure 1036.9 hPa
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Lowest Pressure 983.7 hPa
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San Marcos Rainfall Forecast

Today 17 Sep
10%
Thu 18 Sep
5%
Fri 19 Sep
5%
Sat 20 Sep
5%
Sun 21 Sep
15%
Mon 22 Sep
35%
Tue 23 Sep
40%

San Marcos Rainfall Statistics

September Rainfall

San Marcos, San Marcos Municipal Airport (4.3 miles)

Total Rainfall 2025
10.5in
Daily Average 2025
0.04in
Wettest Day 28 May, 2025
1.8in
Wet Days 2025
56/260 (22%)
Total Rainfall August
0.7in
Daily Average August
0.02in
Wettest Day 13 August, 2025
0.5in
Wet Days August
4/31 (13%)
Total Rainfall September
0.6in
Daily Average September
0.04in
Wettest Day 7 September, 2025
0.6in
Wet Days September
2/17 (12%)

Climate (2010–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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Annual Average 2020–2024
18.3in
Monthly Average 2020–2025
1.3in
Daily Average 2020–2025
0.04in
Wettest Day 6 April, 2023
2.8in

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