Local Forecast

San Marcos, CA Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Monday 9:25 PM PDTMonday 9:25 PM

°F °C
Regional Observations →
66°F

Cloudy

  • 73° / 62° High / Low
  • 66° Feels Like
  • 0% Chance of Rain

Wind

7 mph

SSW

UV Index

0

None

Humidity

68%

Dew 55°F

Sun

5:42 AM · 8:01 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Today

73° 62°

Slight Chance of Rain

Overnight: Rain

Detailed forecast

Today

Partly sunny, with a high near 72. South wind 0 to 10 mph.

Night

Patchy drizzle after 2am. Mostly cloudy, with a low around 61. South wind around 5 mph.

Tuesday

71° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Patchy drizzle before 11am. Partly sunny, with a high near 71. Southwest wind 0 to 10 mph.

Night

Mostly cloudy, with a low around 58. Southeast wind 0 to 10 mph.

Wednesday

73° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Mostly sunny, with a high near 72. Southwest wind 0 to 10 mph.

Night

Mostly cloudy, with a low around 58. Northwest wind 0 to 10 mph.

Thursday

73° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Mostly sunny, with a high near 73.

Night

Mostly cloudy, with a low around 59.

Friday

75° 60°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Mostly sunny, with a high near 75.

Night

Mostly cloudy, with a low around 60.

San Marcos, CA Weather Analysis Tools