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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

2026.01.20 1256 UTC
Wind from the N (010 degrees) at 9 MPH (8 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 41.0 F (5.0 C)
Dew Point 17.1 F (-8.3 C)
Relative Humidity 37%
Pressure (altimeter) 30.4 in. Hg (1029 hPa)
ob KHYI 201256Z 01008KT 10SM CLR 05/M08 A3040 RMK AO2 SLP294 T00501083

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
48.9 (9.4) 42.1 (5.6) In the 6 hours preceding Jan 20, 2026 - 06:56 AM EST / 2026.01.20 1156 UTC
69.1 (20.6) 30.9 (-0.6) In the 24 hours preceding Jan 20, 2026 - 12:56 AM EST / 2026.01.20 0556 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 8 AM (13) Jan 20 41.0 (5.0) 17.1 (-8.3) 30.4 (1029) N 9
7 AM (12) Jan 20 42.1 (5.6) 19.0 (-7.2) 30.38 (1028) N 10
6 AM (11) Jan 20 43.0 (6.1) 21.9 (-5.6) 30.38 (1028) N 7
5 AM (10) Jan 20 44.1 (6.7) 23.0 (-5.0) 30.38 (1028) N 8
4 AM (9) Jan 20 46.0 (7.8) 24.1 (-4.4) 30.37 (1028) NNE 8
3 AM (8) Jan 20 46.9 (8.3) 25.0 (-3.9) 30.37 (1028) NNE 10
2 AM (7) Jan 20 48.9 (9.4) 27.0 (-2.8) 30.36 (1028) NNE 12
1 AM (6) Jan 20 45.0 (7.2) 33.1 (0.6) 30.33 (1027) Calm
Midnight (5) Jan 20 50.0 (10.0) 36.0 (2.2) 30.33 (1027) Calm
11 PM (4) Jan 19 51.1 (10.6) 37.9 (3.3) 30.32 (1026) SSE 5
10 PM (3) Jan 19 52.0 (11.1) 36.0 (2.2) 30.3 (1026) SE 7
9 PM (2) Jan 19 54.0 (12.2) 35.1 (1.7) 30.27 (1025) SE 9
8 PM (1) Jan 19 54.0 (12.2) 27.0 (-2.8) 30.24 (1024) ESE 6
7 PM (0) Jan 19 61.0 (16.1) 32.0 (0.0) 30.22 (1023) SE 8
6 PM (23) Jan 19 66.9 (19.4) 30.9 (-0.6) 30.21 (1023) SSE 14
5 PM (22) Jan 19 68.0 (20.0) 28.9 (-1.7) 30.19 (1022) S 10
4 PM (21) Jan 19 68.0 (20.0) 21.9 (-5.6) 30.2 (1022) S 9
3 PM (20) Jan 19 66.9 (19.4) 18.0 (-7.8) 30.22 (1023) SSE 14
2 PM (19) Jan 19 64.9 (18.3) 21.0 (-6.1) 30.26 (1024) S 13
1 PM (18) Jan 19 62.1 (16.7) 25.0 (-3.9) 30.29 (1025) S 9
Noon (17) Jan 19 59.0 (15.0) 27.0 (-2.8) 30.32 (1026) SW 12
11 AM (16) Jan 19 55.0 (12.8) 28.0 (-2.2) 30.31 (1026) SW 14
10 AM (15) Jan 19 44.1 (6.7) 21.0 (-6.1) 30.3 (1026) SW 5
Oldest 9 AM (14) Jan 19 32.0 (0.0) 17.1 (-8.3) 30.28 (1025) W 3
Time
EST (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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