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Current Weather Conditions:
San Marcos, San Marcos Municipal Airport, TX, United States

NWS Point Forecast for KHYI (KHYI) 29-53-37N 097-51-53W

Conditions at

2026.09.11 0056 UTC
Wind from the ESE (120 degrees) at 10 MPH (9 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 89.1 F (31.7 C)
Heat index 95.2 F (35.1 C)
Dew Point 71.1 F (21.7 C)
Relative Humidity 55%
Pressure (altimeter) 29.88 in. Hg (1011 hPa)
ob KHYI 110056Z 12009KT 10SM CLR 32/22 A2988 RMK AO2 SLP112 T03170217

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
100.0 (37.8) 93.0 (33.9) In the 6 hours preceding Sep 10, 2026 - 07:56 PM EDT / 2026.09.10 2356 UTC
100.0 (37.8) 75.0 (23.9) In the 24 hours preceding Sep 10, 2026 - 01:56 AM EDT / 2026.09.10 0556 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 9 PM (1) Sep 10 89.1 (31.7) 71.1 (21.7) 29.88 (1011) ESE 10
8 PM (0) Sep 10 93.0 (33.9) 71.1 (21.7) 29.87 (1011) ESE 13
7 PM (23) Sep 10 98.1 (36.7) 68.0 (20.0) 29.87 (1011) SSE 9
6 PM (22) Sep 10 98.1 (36.7) 66.9 (19.4) 29.87 (1011) SSW 9
5 PM (21) Sep 10 99.0 (37.2) 69.1 (20.6) 29.9 (1012) SSE 10
4 PM (20) Sep 10 95.0 (35.0) 69.1 (20.6) 29.93 (1013) Calm
3 PM (19) Sep 10 95.0 (35.0) 70.0 (21.1) 29.97 (1014) SSW 7
2 PM (18) Sep 10 93.0 (33.9) 71.1 (21.7) 30.01 (1016) WSW 7
1 PM (17) Sep 10 91.9 (33.3) 72.0 (22.2) 30.05 (1017) SW 13
Noon (16) Sep 10 90.0 (32.2) 75.0 (23.9) 30.05 (1017) SW 10
11 AM (15) Sep 10 84.9 (29.4) 75.0 (23.9) 30.05 (1017) SSW 8
10 AM (14) Sep 10 82 (28) 75 (24) 30.04 (1017) SW 10
9 AM (13) Sep 10 82 (28) 75 (24) 30.04 (1017) SSW 5
8 AM (12) Sep 10 75.9 (24.4) 73.0 (22.8) 30.03 (1016) SE 3
7 AM (11) Sep 10 75.9 (24.4) 73.0 (22.8) 30.03 (1016) Calm
6 AM (10) Sep 10 75.9 (24.4) 73.0 (22.8) 30.04 (1017) Calm
5 AM (9) Sep 10 78.1 (25.6) 73.9 (23.3) 30.05 (1017) S 5
4 AM (8) Sep 10 78.1 (25.6) 73.0 (22.8) 30.06 (1017) S 3
3 AM (7) Sep 10 79.0 (26.1) 73.0 (22.8) 30.07 (1018) S 5
2 AM (6) Sep 10 80.1 (26.7) 73.0 (22.8) 30.08 (1018) SSW 5
1 AM (5) Sep 10 80.1 (26.7) 73.0 (22.8) 30.06 (1017) SSE 5
Midnight (4) Sep 10 82.0 (27.8) 72.0 (22.2) 30.06 (1017) SSE 6
11 PM (3) Sep 09 84.0 (28.9) 72.0 (22.2) 30.05 (1017) SSE 10
Oldest 10 PM (2) Sep 09 84.9 (29.4) 71.1 (21.7) 30.02 (1016) SE 10
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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