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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

2025.12.29 2156 UTC
Wind from the NNW (340 degrees) at 15 MPH (13 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 43.0 F (6.1 C)
Dew Point 19.0 F (-7.2 C)
Relative Humidity 37%
Pressure (altimeter) 30.51 in. Hg (1033 hPa)
ob KHYI 292156Z 34013KT 10SM OVC085 06/M07 A3051 RMK AO2 SLP330 T00611072

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
46.9 (8.3) 41.0 (5.0) In the 6 hours preceding Dec 29, 2025 - 12:56 PM EST / 2025.12.29 1756 UTC
78.1 (25.6) 54.0 (12.2) In the 24 hours preceding Dec 29, 2025 - 12:56 AM EST / 2025.12.29 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) Dec 29 43.0 (6.1) 19.0 (-7.2) 30.51 (1033) NNW 15
4 PM (21) Dec 29 43.0 (6.1) 17.1 (-8.3) 30.51 (1033) NNW 15
3 PM (20) Dec 29 44.1 (6.7) 17.1 (-8.3) 30.5 (1032) N 17
2 PM (19) Dec 29 44.1 (6.7) 26.1 (-3.3) 30.51 (1033) N 18
1 PM (18) Dec 29 41.0 (5.0) 25.0 (-3.9) 30.55 (1034) N 17
Noon (17) Dec 29 44.1 (6.7) 16.0 (-8.9) 30.54 (1034) NNE 28
11 AM (16) Dec 29 44.1 (6.7) 17.1 (-8.3) 30.54 (1034) NNE 17
10 AM (15) Dec 29 44.1 (6.7) 15.1 (-9.4) 30.5 (1032) NNE 21
9 AM (14) Dec 29 44.1 (6.7) 17.1 (-8.3) 30.48 (1032) NNE 23
8 AM (13) Dec 29 45.0 (7.2) 17.1 (-8.3) 30.45 (1031) NNE 17
7 AM (12) Dec 29 46.9 (8.3) 18.0 (-7.8) 30.43 (1030) NNE 20
6 AM (11) Dec 29 48.0 (8.9) 19.0 (-7.2) 30.4 (1029) NNE 21
5 AM (10) Dec 29 50.0 (10.0) 21.0 (-6.1) 30.37 (1028) NNE 24
4 AM (9) Dec 29 51.1 (10.6) 25.0 (-3.9) 30.34 (1027) NNE 29
3 AM (8) Dec 29 52.0 (11.1) 27.0 (-2.8) 30.31 (1026) NNE 17
2 AM (7) Dec 29 53.1 (11.7) 28.9 (-1.7) 30.28 (1025) NNE 18
1 AM (6) Dec 29 54.0 (12.2) 33.1 (0.6) 30.26 (1024) N 18
Midnight (5) Dec 29 57.9 (14.4) 39.0 (3.9) 30.2 (1022) N 25
11 PM (4) Dec 28 66.0 (18.9) 43.0 (6.1) 30.15 (1020) NNE 29
10 PM (3) Dec 28 70.0 (21.1) 63.0 (17.2) 30.07 (1018) N 6
9 PM (2) Dec 28 69.1 (20.6) 62.1 (16.7) 30.03 (1016) NNE 3
8 PM (1) Dec 28 70.0 (21.1) 63.0 (17.2) 30.01 (1016) Calm
7 PM (0) Dec 28 75.0 (23.9) 64.0 (17.8) 29.99 (1015) NNW 5
Oldest 6 PM (23) Dec 28 77.0 (25.0) 64.9 (18.3) 29.97 (1014) NNW 6
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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