Local Forecast

San Marcos, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for San Marcos, CA

No Active Alerts

Hour-by-Hour  Current Observation

Thursday 8:20 AM PDTThursday 8:20 AM

°F °C
Regional Observations →
64°F

Mostly Clear

  • 80° / 60° High / Low
  • 64° Feels Like
  • 0% Chance of Rain

Wind

5 mph

NE

UV Index

4

Moderate

Humidity

73%

Dew 55°F

Sun

6:25 AM · 7:09 PM

Rise · Set

Source: OCEANSIDE (KOKB). Slider scrubs the next 12 hours.

5-Day Outlook

Through Monday

Local Radar →

Thursday

80° 60°

Overnight Fog

Overnight: Forecast Missing

Detailed forecast

Thursday

Sunny, with a high near 79. Southwest wind 0 to 10 mph.

Night

Patchy fog between 11pm and 2am. Mostly clear, with a low around 60. North wind 0 to 10 mph.

Friday

80° 64°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Sunny, with a high near 79. South wind 0 to 10 mph.

Night

Patchy fog after 5am. Mostly clear, with a low around 64. Northwest wind 0 to 5 mph.

Saturday

84° 69°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Saturday

Patchy fog before 11am, then a slight chance of rain showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Night

A chance of rain showers. Mostly cloudy, with a low around 69.

Sunday

84° 69°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

A chance of rain showers. Partly sunny, with a high near 84.

Night

A slight chance of rain showers. Mostly cloudy, with a low around 68.

Monday

84° 68°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

A slight chance of rain showers before 11am. Mostly sunny, with a high near 84.

Night

Partly cloudy, with a low around 68.

San Marcos, CA Weather Analysis Tools