Point Forecast: San Marcos TX  29.9N 97.91W (Elev. 640 ft)	Last Update: 1:02 pm CDT May 26, 2024

[hide menu]

Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 1pm Sun, May 26 20242pm Sun, May 26 20243pm Sun, May 26 20244pm Sun, May 26 20245pm Sun, May 26 20246pm Sun, May 26 20247pm Sun, May 26 20248pm Sun, May 26 20249pm Sun, May 26 202410pm Sun, May 26 202411pm Sun, May 26 202412am Mon, May 27 20241am Mon, May 27 20242am Mon, May 27 20243am Mon, May 27 20244am Mon, May 27 20245am Mon, May 27 20246am Mon, May 27 20247am Mon, May 27 20248am Mon, May 27 20249am Mon, May 27 202410am Mon, May 27 202411am Mon, May 27 202412pm Mon, May 27 20241pm Mon, May 27 20242pm Mon, May 27 20243pm Mon, May 27 20244pm Mon, May 27 20245pm Mon, May 27 20246pm Mon, May 27 20247pm Mon, May 27 20248pm Mon, May 27 20249pm Mon, May 27 202410pm Mon, May 27 202411pm Mon, May 27 202412am Tue, May 28 20241am Tue, May 28 20242am Tue, May 28 20243am Tue, May 28 20244am Tue, May 28 20245am Tue, May 28 20246am Tue, May 28 20247am Tue, May 28 20248am Tue, May 28 20249am Tue, May 28 202410am Tue, May 28 202411am Tue, May 28 202412pm Tue, May 28 20241pm Tue, May 28 20242pm Tue, May 28 20243pm Tue, May 28 20244pm Tue, May 28 20245pm Tue, May 28 20246pm Tue, May 28 20247pm Tue, May 28 20248pm Tue, May 28 20249pm Tue, May 28 202410pm Tue, May 28 202411pm Tue, May 28 202412am Wed, May 29 20241am Wed, May 29 20242am Wed, May 29 20243am Wed, May 29 20244am Wed, May 29 20245am Wed, May 29 20246am Wed, May 29 20247am Wed, May 29 20248am Wed, May 29 20249am Wed, May 29 202410am Wed, May 29 202411am Wed, May 29 202412pm Wed, May 29 20241pm Wed, May 29 20242pm Wed, May 29 20243pm Wed, May 29 20244pm Wed, May 29 20245pm Wed, May 29 20246pm Wed, May 29 20247pm Wed, May 29 20248pm Wed, May 29 20249pm Wed, May 29 202410pm Wed, May 29 202411pm Wed, May 29 202412am Thu, May 30 20241am Thu, May 30 20242am Thu, May 30 20243am Thu, May 30 20244am Thu, May 30 20245am Thu, May 30 20246am Thu, May 30 20247am Thu, May 30 20248am Thu, May 30 20249am Thu, May 30 202410am Thu, May 30 202411am Thu, May 30 202412pm Thu, May 30 20241pm Thu, May 30 20242pm Thu, May 30 20243pm Thu, May 30 20244pm Thu, May 30 20245pm Thu, May 30 20246pm Thu, May 30 20247pm Thu, May 30 20248pm Thu, May 30 20249pm Thu, May 30 202410pm Thu, May 30 202411pm Thu, May 30 202412am Fri, May 31 2024

Date	05/26											05/27
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	91	93	96	99	100	99	99	96	89	87	84	82	81	79	79	76	76	76	75	77	80	85	88	93
Dewpoint (°F)	77	77	77	76	75	75	75	75	74	74	75	75	75	75	75	75	75	75	75	76	77	78	78	78
Heat Index (°F)	103	107	111	114	114	112	112	108	98	95	92	89	87	79	79	76	76	76	75	77	87	97	102	108
Surface Wind (mph)	9	8	7	7	7	6	6	5	5	5	5	3	3	3	2	2	2	2	2	2	2	3	5	5
Wind Dir	SSW	SSW	SSW	SSW	S	S	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	S	S	S	SSE
Gust
Sky Cover (%)	45	27	27	29	18	14	15	18	9	9	10	9	31	34	35	40	63	65	60	52	56	55	21	22
Precipitation Potential (%)	1	1	1	1	1	1	1	1	1	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	64	60	55	48	45	47	47	51	61	65	74	79	82	88	88	97	97	97	100	97	91	80	72	63
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												05/28
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	97	100	101	101	100	98	94	90	85	81	79	79	78	77	75	76	75	74	74	76	79	83	86	89
Dewpoint (°F)	78	76	74	72	72	72	72	72	73	73	73	72	72	72	72	73	73	73	74	75	75	75	75	75
Heat Index (°F)	114	115	114	111	109	107	102	97	92	86	79	79	78	77	75	76	75			76	79	90	95	99
Surface Wind (mph)	6	6	7	7	7	8	8	8	7	7	6	6	5	5	3	3	3	3	3	5	5	6	7	9
Wind Dir	SSE	SE	SE	ESE	ESE	E	E	E	ESE	SE	SE	SSE	SSE	SSE	SSE	SSE	SE	ESE	SE	SE	SE	SE	SE	SSE
Gust
Sky Cover (%)	22	23	25	26	28	31	33	40	46	53	53	52	52	56	59	63	65	68	74	69	65	60	56	51
Precipitation Potential (%)	15	15	15	15	15	15	21	21	21	21	21	21	4	4	4	4	4	4	2	2	2	2	2	2
Relative Humidity (%)	55	48	42	40	40	44	49	56	67	77	82	79	82	85	90	90	95	98	100	97	88	77	70	64
Rain	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph NWS Austin/San Antonio Current Observations Satellite Imagery Interactive Grids Point Forecast Matrices Fire Weather Drought Rivers & Lakes Climate Data NOAA Weather Radio Contact Local Office