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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 2156 UTC
Wind from the E (100 degrees) at 5 MPH (4 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 59.0 F (15.0 C)
Dew Point 37.9 F (3.3 C)
Relative Humidity 45%
Pressure (altimeter) 30.27 in. Hg (1025 hPa)
ob KHYI 202156Z 10004KT 10SM BKN034 OVC070 15/03 A3027 RMK AO2 SLP248 T01500033

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
55.9 (13.3) 39.9 (4.4) In the 6 hours preceding Jan 20, 2026 - 12:56 PM EST / 2026.01.20 1756 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 5 PM (22) Jan 20 59.0 (15.0) 37.9 (3.3) 30.27 (1025) E 5
4 PM (21) Jan 20 57.9 (14.4) 37.0 (2.8) 30.28 (1025) E 6
3 PM (20) Jan 20 57 (14) 37 (3) 30.3 (1026) E 8
2 PM (19) Jan 20 55 (13) 35 (2) 30.34 (1027) E 5
1 PM (18) Jan 20 55.0 (12.8) 27.0 (-2.8) 30.39 (1029) NE 9
Noon (17) Jan 20 50.0 (10.0) 21.0 (-6.1) 30.42 (1030) NNE 9
11 AM (16) Jan 20 46.0 (7.8) 17.1 (-8.3) 30.43 (1030) NE 13
10 AM (15) Jan 20 44 (7) 17 (-8) 30.43 (1030) NNE 12
9 AM (14) Jan 20 41.0 (5.0) 17.1 (-8.3) 30.41 (1029) N 9
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
Oldest 6 PM (23) Jan 19 66.9 (19.4) 30.9 (-0.6) 30.21 (1023) SSE 14
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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