Wind
8 mph
WSW
Local Forecast
Current conditions, 5-day forecast, active weather alerts for San Marcos, CA
Active Alerts 1 active
Hour-by-Hour Current Observation
Clear
Wind
8 mph
WSW
UV Index
0
None
Humidity
83%
Dew 66°F
Sun
5:54 AM · 7:54 PM
Rise · Set
Source: OCEANSIDE (KOKB). Slider scrubs the next 12 hours.
5-Day Outlook
Tonight
Forecast Missing
Tonight
Mostly clear, with a low around 67. South wind 0 to 10 mph.
Thursday
Forecast Missing
Overnight: Forecast Missing
Thursday
Sunny, with a high near 88. South wind 0 to 10 mph.
Night
Partly cloudy, with a low around 69. Southwest wind 0 to 5 mph.
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Sunny, with a high near 86. Southwest wind 0 to 10 mph.
Night
Partly cloudy, with a low around 69.
Saturday
Forecast Missing
Overnight: Forecast Missing
Saturday
Sunny, with a high near 87.
Night
Partly cloudy, with a low around 68.
Sunday
Forecast Missing
Overnight: Forecast Missing
Sunday
Mostly sunny, with a high near 88.
Night
Partly cloudy, with a low around 68.
San Marcos, CA Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near San Marcos, CA.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.