Point Forecast: San Marcos TX  29.88N 97.94W (Elev. 577 ft)	Last Update: 6:42 pm CST Nov 16, 2025

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 7pm Sun, Nov 16 20258pm Sun, Nov 16 20259pm Sun, Nov 16 202510pm Sun, Nov 16 202511pm Sun, Nov 16 202512am Mon, Nov 17 20251am Mon, Nov 17 20252am Mon, Nov 17 20253am Mon, Nov 17 20254am Mon, Nov 17 20255am Mon, Nov 17 20256am Mon, Nov 17 20257am Mon, Nov 17 20258am Mon, Nov 17 20259am Mon, Nov 17 202510am Mon, Nov 17 202511am Mon, Nov 17 202512pm Mon, Nov 17 20251pm Mon, Nov 17 20252pm Mon, Nov 17 20253pm Mon, Nov 17 20254pm Mon, Nov 17 20255pm Mon, Nov 17 20256pm Mon, Nov 17 20257pm Mon, Nov 17 20258pm Mon, Nov 17 20259pm Mon, Nov 17 202510pm Mon, Nov 17 202511pm Mon, Nov 17 202512am Tue, Nov 18 20251am Tue, Nov 18 20252am Tue, Nov 18 20253am Tue, Nov 18 20254am Tue, Nov 18 20255am Tue, Nov 18 20256am Tue, Nov 18 20257am Tue, Nov 18 20258am Tue, Nov 18 20259am Tue, Nov 18 202510am Tue, Nov 18 202511am Tue, Nov 18 202512pm Tue, Nov 18 20251pm Tue, Nov 18 20252pm Tue, Nov 18 20253pm Tue, Nov 18 20254pm Tue, Nov 18 20255pm Tue, Nov 18 20256pm Tue, Nov 18 20257pm Tue, Nov 18 20258pm Tue, Nov 18 20259pm Tue, Nov 18 202510pm Tue, Nov 18 202511pm Tue, Nov 18 202512am Wed, Nov 19 20251am Wed, Nov 19 20252am Wed, Nov 19 20253am Wed, Nov 19 20254am Wed, Nov 19 20255am Wed, Nov 19 20256am Wed, Nov 19 20257am Wed, Nov 19 20258am Wed, Nov 19 20259am Wed, Nov 19 202510am Wed, Nov 19 202511am Wed, Nov 19 202512pm Wed, Nov 19 20251pm Wed, Nov 19 20252pm Wed, Nov 19 20253pm Wed, Nov 19 20254pm Wed, Nov 19 20255pm Wed, Nov 19 20256pm Wed, Nov 19 20257pm Wed, Nov 19 20258pm Wed, Nov 19 20259pm Wed, Nov 19 202510pm Wed, Nov 19 202511pm Wed, Nov 19 202512am Thu, Nov 20 20251am Thu, Nov 20 20252am Thu, Nov 20 20253am Thu, Nov 20 20254am Thu, Nov 20 20255am Thu, Nov 20 20256am Thu, Nov 20 20257am Thu, Nov 20 20258am Thu, Nov 20 20259am Thu, Nov 20 202510am Thu, Nov 20 202511am Thu, Nov 20 202512pm Thu, Nov 20 20251pm Thu, Nov 20 20252pm Thu, Nov 20 20253pm Thu, Nov 20 20254pm Thu, Nov 20 20255pm Thu, Nov 20 20256pm Thu, Nov 20 20257pm Thu, Nov 20 20258pm Thu, Nov 20 20259pm Thu, Nov 20 202510pm Thu, Nov 20 202511pm Thu, Nov 20 202512am Fri, Nov 21 20251am Fri, Nov 21 20252am Fri, Nov 21 20253am Fri, Nov 21 20254am Fri, Nov 21 20255am Fri, Nov 21 20256am Fri, Nov 21 2025

Date	11/16					11/17
Hour (CST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	80	76	75	73	72	69	69	68	69	68	68	68	67	68	72	76	79	82	84	86	87	88	86	84
Dewpoint (°F)	64	64	64	65	65	66	66	67	67	67	67	67	67	68	71	71	70	69	69	67	67	66	65	66
Wind Chill (°F)
Surface Wind (mph)	5	6	6	6	6	6	6	7	7	6	6	6	7	7	9	10	10	10	10	10	10	10	8	7
Wind Dir	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	S	SSW	SSW	S	S	S	S	S	S	S	S
Gust																18	20	20	20	21	20	18
Sky Cover (%)	12	27	26	25	30	44	62	75	78	87	91	94	93	85	87	75	65	47	28	24	25	19	16	23
Precipitation Potential (%)	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	2	2	2	3
Relative Humidity (%)	58	66	69	76	79	90	90	97	93	97	97	97	100	100	97	85	74	65	61	53	52	48	50	55
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						11/18
Hour (CST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	81	78	76	74	73	72	72	72	72	71	70	69	70	72	74	77	79	82	84	85	86	85	84	83
Dewpoint (°F)	67	68	69	70	70	70	70	69	69	68	68	68	69	71	72	72	72	71	70	68	67	66	66	66
Wind Chill (°F)
Surface Wind (mph)	8	9	10	10	10	9	9	9	9	9	8	8	8	9	9	9	10	10	10	10	9	8	7	7
Wind Dir	S	S	SSE	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SSE	SSE
Gust			18	18												18	18	18	20	20	20	18
Sky Cover (%)	26	25	23	40	58	75	79	84	88	89	89	90	88	86	84	79	75	70	63	55	48	44	41	37
Precipitation Potential (%)	3	3	3	3	3	5	5	5	5	5	5	8	8	8	8	8	8	4	4	4	4	4	4	4
Relative Humidity (%)	63	71	79	87	90	93	93	90	90	90	93	97	97	97	93	85	79	69	63	57	53	53	55	57
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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