San Marcos, CA Current Weather Conditions

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

Current Conditions — San Marcos, CA

OCEANSIDE (KOKB)

Cloudy

66.2 F

Humidity:73%
Wind Speed:SW 5.7 mph
Barometer:29.90 in
Dewpoint:57.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Jun 29 2026, 08:25 PM PDT
Severe Weather Alerts
Severe Weather
Tornado, flood & storm warnings
Observation Alert Monitoring
Observations
Station conditions & threshold alerts
Daily Weather Forecast
Daily Forecast
Morning summary delivered daily
Lightning Detection Alerts
Lightning
Real-time strike alerts

State Weather Snapshot — California

Radar — California

Loading radar…

Hourly Observation History — San Marcos, CA

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
08:25 PM PDT SW 5.7 10.00 Cloudy -- 66.2 57.2 73% NA NA 29.90 1012.5
08:20 PM PDT 4.6 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.90 1012.5
08:15 PM PDT 8.1 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.90 1012.5
08:10 PM PDT S 8.1 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
08:00 PM PDT S 6.9 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:45 PM PDT 6.9 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:40 PM PDT SW 6.9 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:35 PM PDT 6.9 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:25 PM PDT S 8.1 10.00 Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:20 PM PDT 8.1 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:15 PM PDT 6.9 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:10 PM PDT SW 5.7 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
07:00 PM PDT 6.9 10.00 Partly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
06:50 PM PDT 9.2 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
06:35 PM PDT SW 5.7 10.00 Mostly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
06:30 PM PDT SW 9.2 10.00 Partly Cloudy -- 68.0 55.4 64% NA NA 29.89 1012.2
06:20 PM PDT SW 5.7 10.00 Partly Cloudy -- 66.2 55.4 68% NA NA 29.89 1012.2
06:15 PM PDT 11.5 10.00 Partly Cloudy -- 69.8 55.4 60% NA NA 29.89 1012.2
06:05 PM PDT 8.1 10.00 Partly Cloudy -- 68.0 55.4 64% NA NA 29.88 1011.9
05:52 PM PDT 5.8 G 16.1 10.00 Mostly Cloudy -- 68.0 55.9 65% NA NA 29.88 1011.9
05:45 PM PDT 8.1 10.00 Mostly Cloudy -- 68.0 55.4 64% NA NA 29.88 1011.9
05:40 PM PDT 9.2 10.00 Mostly Cloudy -- 68.0 55.4 64% NA NA 29.88 1011.9
05:35 PM PDT SW 6.9 10.00 Mostly Cloudy -- 69.8 55.4 60% NA NA 29.88 1011.9
05:30 PM PDT SW 9.2 10.00 Mostly Cloudy -- 69.8 55.4 60% NA NA 29.88 1011.9

Nearby Weather Stations

🔔    Get instant severe weather alerts for San Marcos, CA — Subscribe to receive notifications by email, SMS, or voice call.