Currently: 84 °F. Clear. (Weather station: San Marcos Municipal Airport, USA). See more current weatherHour-by-hour Forecast in San Marcos — Graph
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
62
65
68
71
74
77
80
83
86
89
92
95
98
Tuesday, September 23, 2025
1 am
79
11
2 am
79
9
3 am
78
7
4 am
78
6
5 am
77
6
6 am
78
6
7 am
77
6
8 am
78
8
9 am
80
10
10 am
84
13
11 am
88
13
12 pm
91
13
1 pm
94
13
2 pm
96
13
3 pm
98
13
4 pm
98
12
5 pm
98
14
6 pm
96
16
7 pm
93
19
8 pm
91
18
9 pm
86
17
10 pm
84
16
11 pm
83
14
Wednesday, September 24, 2025
12 am
80
12
1 am
79
11
2 am
79
10
3 am
78
9
4 am
77
7
5 am
77
7
6 am
77
6
7 am
77
6
8 am
77
8
9 am
80
10
10 am
83
12
11 am
86
9
12 pm
89
7
1 pm
92
6
2 pm
91
5
0.01
3 pm
91
10
0.02
4 pm
88
15
0.01
5 pm
87
14
0.01
6 pm
85
13
0.01
7 pm
83
13
0.01
8 pm
81
11
0.01
9 pm
79
10
0.01
10 pm
76
9
0.01
11 pm
77
8
Thursday, September 25, 2025
0.01
12 am
76
7
0.02
1 am
74
5
0.02
2 am
74
5
0.02
3 am
74
4
0.02
4 am
73
4
0.02
5 am
72
4
0.02
6 am
72
4
0.02
7 am
72
4
0.02
8 am
72
5
0.01
9 am
74
5
10 am
76
6
11 am
79
7
12 pm
82
8
1 pm
83
9
2 pm
84
8
3 pm
85
8
4 pm
86
7
5 pm
86
7
6 pm
86
7
7 pm
83
6
8 pm
80
4
9 pm
76
1
10 pm
72
2
11 pm
70
1
Friday, September 26, 2025
12 am
69
1
1 am
69
2
2 am
69
2
3 am
68
3
4 am
66
4
5 am
64
4
6 am
64
4
7 am
64
4
8 am
64
5
9 am
69
5
10 am
75
6
11 am
80
6
12 pm
83
5
1 pm
85
5
2 pm
87
5
3 pm
89
6
4 pm
89
6
5 pm
89
6
6 pm
87
5
7 pm
84
5
8 pm
81
5
9 pm
76
5
10 pm
71
4
11 pm
69
3
Saturday, September 27, 2025
12 am
70
1
1 am
69
1
2 am
67
2
3 am
65
3
4 am
66
4
5 am
67
3
6 am
67
3
7 am
66
4
8 am
67
3
9 am
71
2
10 am
77
1
11 am
82
1
12 pm
85
2
1 pm
88
2
2 pm
90
4
3 pm
91
6
4 pm
91
7
5 pm
90
6
6 pm
88
6
7 pm
84
6
8 pm
81
6
9 pm
76
5
10 pm
72
5
11 pm
72
4
Sunday, September 28, 2025
12 am
71
4
1 am
69
4
2 am
67
4
3 am
67
4
4 am
68
4
5 am
68
3
6 am
68
3
7 am
69
2
8 am
70
2
9 am
74
1
10 am
79
1
11 am
83
2
12 pm
86
4
1 pm
88
6
2 pm
90
6
3 pm
91
6
4 pm
91
6
5 pm
91
6
6 pm
89
6
7 pm
84
7
8 pm
81
6
9 pm
77
6
10 pm
76
5
11 pm
75
5
Monday, September 29, 2025
12 am
73
5
1 am
71
5
2 am
70
4
3 am
70
3
4 am
70
3
5 am
70
3
6 am
70
3
7 am
69
3
8 am
70
3
9 am
73
3
10 am
78
3
11 am
83
1
12 pm
85
1
1 pm
88
4
2 pm
89
4
3 pm
90
4
4 pm
90
5
5 pm
90
3
6 pm
88
2
Tue, Sep 23 at 1:00 am
79 °F
Clear.
Feels Like: 82 °F
Humidity: 87%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 0%
SSE
Wind: 11 mph
Detailed Hourly Forecast — Next 24 hours
Scroll right to see more
| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 1:00 am Tue, Sep 23 | | 79 °F | Clear. | 82 °F | 11 mph | ↑ | 87% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 79 °F | Clear. | 82 °F | 9 mph | ↑ | 87% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am |  | 78 °F | Scattered clouds. | 81 °F | 7 mph | ↑ | 89% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 78 °F | Partly cloudy. | 79 °F | 6 mph | ↑ | 91% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 77 °F | Partly cloudy. | 79 °F | 6 mph | ↑ | 93% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 78 °F | Partly cloudy. | 79 °F | 6 mph | ↑ | 92% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 77 °F | Partly cloudy. | 79 °F | 6 mph | ↑ | 93% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am |  | 78 °F | Scattered clouds. | 81 °F | 8 mph | ↑ | 93% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 80 °F | Mostly sunny. | 86 °F | 10 mph | ↑ | 88% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am |  | 84 °F | Sunny. | 93 °F | 13 mph | ↑ | 77% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 88 °F | Sunny. | 98 °F | 13 mph | ↑ | 67% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 91 °F | Mostly sunny. | 101 °F | 13 mph | ↑ | 58% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 94 °F | Mostly sunny. | 103 °F | 13 mph | ↑ | 51% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 96 °F | Mostly sunny. | 104 °F | 13 mph | ↑ | 45% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 98 °F | Scattered clouds. | 105 °F | 13 mph | ↑ | 42% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 98 °F | Scattered clouds. | 105 °F | 12 mph | ↑ | 40% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 98 °F | Scattered clouds. | 104 °F | 14 mph | ↑ | 40% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 96 °F | Scattered clouds. | 102 °F | 16 mph | ↑ | 41% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 93 °F | Mostly sunny. | 99 °F | 19 mph | ↑ | 46% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm |  | 90 °F | Mostly clear. | 97 °F | 18 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 86 °F | Mostly clear. | 91 °F | 17 mph | ↑ | 63% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 84 °F | Mostly clear. | 90 °F | 16 mph | ↑ | 70% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 83 °F | Clear. | 90 °F | 14 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Wed, Sep 24 | | 80 °F | Mostly clear. | 85 °F | 12 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Monday, September 22, 2025 8:42:46 pm San Marcos time - Weather by CustomWeather, © 2025 | |||||||||