San Marcos, TX Current Weather Conditions

Current weather observations and 72-hour history for San Marcos, TX. • View 5-Day Forecast ›

▼Current Conditions — San Marcos, TX

NEW BRAUNFELS (KBAZ)

Mostly Clear

86.0 F

Humidity:	62%
Wind Speed:	mph
Barometer:	30.00 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	91.9 F
Wind Chill:	NA

Jun 29 2026, 10:35 AM CDT

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▼Hourly Observation History — San Marcos, TX

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
10:35 AM CDT		10.00	Mostly Clear	--	86.0	71.6	62%	NA	91.9	30.00	1015.9
10:30 AM CDT	G 24.2	10.00	Partly Cloudy	--	86.0	71.6	62%	NA	91.9	30.00	1015.9
10:20 AM CDT		10.00	Mostly Cloudy	--	87.8	71.6	59%	NA	94.3	30.00	1015.9
10:15 AM CDT	G 24.2	10.00	Mostly Cloudy	--	86.0	71.6	62%	NA	91.9	30.00	1015.9
10:10 AM CDT	G 26.5	10.00	Cloudy	--	86.0	71.6	62%	NA	91.9	30.00	1015.9
10:00 AM CDT	S 12.7 G 19.6	10.00	Cloudy	--	84.2	73.4	70%	NA	90.9	30.00	1015.9
09:45 AM CDT		10.00	Cloudy	--	82.4	73.4	74%	NA	88.3	30.00	1015.9
09:40 AM CDT		10.00	Cloudy	--	82.4	73.4	74%	NA	88.3	30.01	1016.3
09:35 AM CDT		10.00	Cloudy	--	82.4	73.4	74%	NA	88.3	30.01	1016.3
09:25 AM CDT		9.00	Cloudy	--	82.4	73.4	74%	NA	88.3	30.01	1016.3
09:20 AM CDT		9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.01	1016.3
09:10 AM CDT		9.00	Cloudy	--	80.6	71.6	74%	NA	84.6	30.01	1016.3
09:00 AM CDT		9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
08:50 AM CDT	G 25.3	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
08:45 AM CDT	G 19.6	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
08:35 AM CDT	G 19.6	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
08:30 AM CDT	S 11.5	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
08:20 AM CDT	G 21.9	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.99	1015.6
08:15 AM CDT		9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.99	1015.6
08:10 AM CDT		9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.99	1015.6
08:05 AM CDT	S 11.5	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.99	1015.6
08:00 AM CDT	S 11.5	9.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.99	1015.6
07:45 AM CDT	S 11.5	9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
07:35 AM CDT		9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
07:25 AM CDT	S 11.5	9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
07:20 AM CDT		9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
07:10 AM CDT	S 10.4	9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
07:00 AM CDT	S 12.7	9.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
06:45 AM CDT	S 10.4	10.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.98	1015.2
06:36 AM CDT	S 12.8	10.00	Cloudy	--	79.0	72.0	79%	NA	82.0	29.97	1014.9
06:35 AM CDT	G 18.4	10.00	Cloudy	--	78.8	71.6	79%	NA	81.7	29.97	1014.9
06:20 AM CDT	S 12.7	10.00	Cloudy	--	78.8	71.6	79%	NA	81.7	29.97	1014.9
06:10 AM CDT	S 10.4	10.00	Cloudy	--	78.8	71.6	79%	NA	81.7	29.97	1014.9
06:00 AM CDT		10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:45 AM CDT		10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:35 AM CDT		10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:30 AM CDT	G 21.9	10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:25 AM CDT		10.00	Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:20 AM CDT	G 18.4	10.00	Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:10 AM CDT	S 10.4	10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.96	1014.6
05:00 AM CDT	S 11.5	10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.95	1014.2
04:50 AM CDT		10.00	Mostly Cloudy	--	78.8	71.6	79%	NA	81.7	29.95	1014.2
04:40 AM CDT		10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:35 AM CDT	S 10.4	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:30 AM CDT	S 11.5	10.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:20 AM CDT	S 10.4	10.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:10 AM CDT	S 10.4	10.00	Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:05 AM CDT	S 12.7	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
04:00 AM CDT		10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
03:45 AM CDT		10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
03:35 AM CDT	S 10.4	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.94	1013.9
03:20 AM CDT	S 11.5 G 19.6	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.94	1013.9
03:15 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.94	1013.9
03:10 AM CDT	S 13.8 G 21.9	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.94	1013.9
03:00 AM CDT	S 13.8	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.94	1013.9
02:50 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
02:45 AM CDT	G 24.2	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.94	1013.9
02:35 AM CDT		10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.94	1013.9
02:30 AM CDT	S 11.5	10.00	Mostly Cloudy	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
02:20 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
02:10 AM CDT	S 12.7	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
02:00 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:50 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:45 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:40 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:35 AM CDT	S 12.7	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:30 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:20 AM CDT	G 21.9	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:15 AM CDT		10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:10 AM CDT	S 13.8 G 19.6	10.00	Mostly Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
01:00 AM CDT	G 25.3	10.00	Cloudy	--	80.6	73.4	79%	NA	85.3	29.95	1014.2
12:45 AM CDT	S 11.5	10.00	Cloudy	--	82.4	73.4	74%	NA	88.3	29.94	1013.9