Wind
0 mph
N
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
0 mph
N
UV Index
0
None
Humidity
27%
Dew 44°F
Sun
6:56 AM · 6:10 PM
Rise · Set
Source: CAMP PENDLETON (KNFG). Slider scrubs the next 12 hours.
5-Day Outlook
Saturday
Forecast Missing
Overnight: Forecast Missing
Saturday
Partly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 25 mph.
Night
Partly cloudy, with a low around 66. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Forecast Missing
Overnight: Forecast Missing
Sunday
Sunny, with a high near 86. South wind 0 to 5 mph.
Night
Partly cloudy, with a low around 65. North wind 0 to 5 mph.
Monday
Forecast Missing
Overnight: Forecast Missing
Monday
Sunny, with a high near 81.
Night
Partly cloudy, with a low around 61.
Tuesday
Forecast Missing
Overnight: Forecast Missing
Tuesday
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 73.
Night
Rain showers likely. Mostly cloudy, with a low around 60.
Wednesday
Forecast Missing
Overnight: Forecast Missing
Wednesday
Rain showers likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 69.
Night
Rain showers likely. Mostly cloudy, with a low around 58.
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.