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

Sunday 4:50 AM PDTSunday 4:50 AM

°F °C
Regional Observations →
57°F

Haze

  • 71° / 57° High / Low
  • 57° Feels Like
  • 0% Chance of Rain

Wind

N

0 mph

UV Index

0

None

Humidity

88%

Dew 53°F

Sun

5:47 AM · 7:42 PM

Rise · Set

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

5-Day Outlook

Through Thursday

Local Radar →

Today

71° 57°

Overnight Fog

Overnight: Forecast Missing

Detailed forecast

Today

Patchy drizzle before 8am. Mostly cloudy, with a high near 71. South wind 10 to 15 mph, with gusts as high as 25 mph.

Night

Mostly cloudy, with a low around 56. South wind 5 to 10 mph.

Monday

73° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Mostly sunny, with a high near 73. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Night

Patchy fog after 5am. Partly cloudy, with a low around 54. South wind 0 to 10 mph.

Tuesday

77° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Patchy fog before 11am. Mostly sunny, with a high near 76.

Night

Patchy fog after 11pm. Partly cloudy, with a low around 56.

Wednesday

77° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Patchy fog before 11am. Sunny, with a high near 75.

Night

Partly cloudy, with a low around 56.

Thursday

77° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Sunny, with a high near 75.

Night

Mostly clear, with a low around 56.