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Hour-by-Hour Forecast for San Marcos, California, USA

Currently: 57 °F. Clear. (Weather station: Santa Barbara Municipal Airport, USA). See more current weather

Hour-by-hour Forecast in San Marcos — Graph

°F
Time
Wind
(mph)
Temp
(°F)
55
57
59
61
63
65
67
69
71
73
75
77
79
Sunday, July 27, 2025
4 am
60
1
5 am
60
0
6 am
60
1
7 am
61
2
8 am
64
3
9 am
65
4
10 am
67
5
11 am
68
7
12 pm
69
7
1 pm
70
8
2 pm
71
8
3 pm
71
7
4 pm
71
7
5 pm
71
6
6 pm
69
5
7 pm
67
3
8 pm
66
3
9 pm
63
3
10 pm
62
2
11 pm
63
3
Monday, July 28, 2025
12 am
62
2
1 am
62
2
2 am
61
2
3 am
60
1
4 am
60
1
5 am
59
1
6 am
59
0
7 am
61
2
8 am
64
3
9 am
66
4
10 am
68
5
11 am
70
6
12 pm
71
7
1 pm
72
7
2 pm
72
7
3 pm
73
6
4 pm
72
5
5 pm
72
4
6 pm
70
4
7 pm
67
4
8 pm
66
5
9 pm
63
4
10 pm
62
3
11 pm
62
2
Tuesday, July 29, 2025
12 am
62
2
1 am
61
2
2 am
60
2
3 am
59
1
4 am
59
1
5 am
59
1
6 am
59
0
7 am
61
2
8 am
64
3
9 am
66
4
10 am
68
5
11 am
70
6
12 pm
71
6
1 pm
73
6
2 pm
73
7
3 pm
73
6
4 pm
73
6
5 pm
73
6
6 pm
72
5
7 pm
70
4
8 pm
68
4
9 pm
65
4
10 pm
63
4
11 pm
63
4
Wednesday, July 30, 2025
12 am
62
4
1 am
62
3
2 am
61
3
3 am
60
3
4 am
59
2
5 am
58
2
6 am
58
1
7 am
62
2
8 am
65
3
9 am
69
4
10 am
72
6
11 am
73
7
12 pm
74
7
1 pm
75
8
2 pm
76
8
3 pm
77
8
4 pm
77
8
5 pm
78
8
6 pm
75
5
7 pm
73
4
8 pm
70
4
9 pm
67
4
10 pm
63
3
11 pm
60
3
Thursday, July 31, 2025
12 am
59
3
1 am
59
2
2 am
59
2
3 am
59
2
4 am
59
1
5 am
58
1
6 am
58
0
7 am
62
2
8 am
65
3
9 am
68
4
10 am
71
5
11 am
72
6
12 pm
73
6
1 pm
74
6
2 pm
74
7
3 pm
74
6
4 pm
74
6
5 pm
74
5
6 pm
73
4
7 pm
70
3
8 pm
68
3
9 pm
64
3
10 pm
62
3
11 pm
62
3
Friday, August 1, 2025
12 am
62
2
1 am
61
2
2 am
60
3
3 am
59
2
4 am
58
2
5 am
58
1
6 am
57
1
7 am
60
2
8 am
63
4
9 am
66
5
10 am
69
5
11 am
71
6
12 pm
72
7
1 pm
72
7
2 pm
72
7
3 pm
72
7
4 pm
72
6
5 pm
71
6
6 pm
69
4
7 pm
68
2
8 pm
65
1
9 pm
63
1
10 pm
62
2
11 pm
61
2
Saturday, August 2, 2025
12 am
60
2
1 am
59
2
2 am
58
2
3 am
57
2
4 am
57
2
5 am
57
1
6 am
57
0
7 am
60
1
8 am
63
2
9 am
67
4
10 am
70
5
11 am
71
7
12 pm
73
7
1 pm
73
7
2 pm
73
7
3 pm
74
6
4 pm
74
6
5 pm
74
5
6 pm
72
4
7 pm
69
2
8 pm
67
2
9 pm
64
2
10 pm
62
2
Sun, Jul 27 at 4:00 am
60 °F
Mostly clear.
Feels Like: 60 °F
Humidity: 88%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 0%
NNW
Wind: 1 mph

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
4:00 am
Sun, Jul 27
60 °FMostly clear.60 °F1 mph88%0%0.00" (snow)
0.00" (rain)
5:00 am60 °FClear.60 °F0 mph88%0%0.00" (snow)
0.00" (rain)
6:00 am60 °FMostly clear.60 °F1 mph89%0%0.00" (snow)
0.00" (rain)
7:00 am61 °FScattered clouds.61 °F2 mph84%0%0.00" (snow)
0.00" (rain)
8:00 am64 °FPartly cloudy.64 °F3 mph82%0%0.00" (snow)
0.00" (rain)
9:00 am65 °FBroken clouds.65 °F4 mph78%0%0.00" (snow)
0.00" (rain)
10:00 am67 °FBroken clouds.67 °F5 mph74%0%0.00" (snow)
0.00" (rain)
11:00 am68 °FBroken clouds.68 °F7 mph71%0%0.00" (snow)
0.00" (rain)
12:00 pm69 °FBroken clouds.69 °F7 mph68%0%0.00" (snow)
0.00" (rain)
1:00 pm70 °FPartly cloudy.75 °F8 mph66%0%0.00" (snow)
0.00" (rain)
2:00 pm71 °FScattered clouds.75 °F8 mph64%0%0.00" (snow)
0.00" (rain)
3:00 pm71 °FScattered clouds.75 °F7 mph64%0%0.00" (snow)
0.00" (rain)
4:00 pm71 °FScattered clouds.75 °F7 mph64%0%0.00" (snow)
0.00" (rain)
5:00 pm71 °FScattered clouds.75 °F6 mph65%0%0.00" (snow)
0.00" (rain)
6:00 pm69 °FMostly sunny.69 °F5 mph68%0%0.00" (snow)
0.00" (rain)
7:00 pm67 °FMostly sunny.67 °F3 mph73%0%0.00" (snow)
0.00" (rain)
8:00 pm66 °FMostly sunny.66 °F3 mph78%0%0.00" (snow)
0.00" (rain)
9:00 pm63 °FScattered clouds.63 °F3 mph85%0%0.00" (snow)
0.00" (rain)
10:00 pm62 °FBroken clouds.62 °F2 mph87%0%0.00" (snow)
0.00" (rain)
11:00 pm63 °FCloudy.63 °F3 mph86%0%0.00" (snow)
0.00" (rain)
12:00 am
Mon, Jul 28
62 °FCloudy.62 °F2 mph85%0%0.00" (snow)
0.00" (rain)
1:00 am62 °FCloudy.62 °F2 mph86%0%0.00" (snow)
0.00" (rain)
2:00 am61 °FCloudy.61 °F2 mph87%0%0.00" (snow)
0.00" (rain)
3:00 am60 °FPartly cloudy.60 °F1 mph88%0%0.00" (snow)
0.00" (rain)
* Updated Sunday, July 27, 2025 12:02:22 am San Marcos time - Weather by CustomWeather, © 2025

14 days extended forecast