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 5:45 AM PDTThursday 5:45 AM

°F °C
Regional Observations →
66°F

Cloudy

  • 86° / 68° High / Low
  • 66° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

88%

Dew 62°F

Sun

6:39 AM · 6:40 PM

Rise · Set

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

5-Day Outlook

Through Monday

Local Radar →

Thursday

86° 68°

Overnight Fog

Overnight: Overnight Fog

Detailed forecast

Thursday

Patchy fog before 11am. Mostly sunny, with a high near 85. West wind 0 to 10 mph.

Night

Patchy fog after 11pm. Partly cloudy, with a low around 68. Northwest wind 0 to 5 mph.

Friday

87° 69°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Patchy fog before 11am. Sunny, with a high near 87. Northwest wind 0 to 10 mph.

Night

Patchy fog after 11pm. Partly cloudy, with a low around 69. Northwest wind 0 to 5 mph.

Saturday

91° 71°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Saturday

Patchy fog before 11am. Mostly sunny, with a high near 91.

Night

A slight chance of rain showers after 5am. Mostly cloudy, with a low around 71.

Sunday

86° 68°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

A slight chance of rain showers before 11am. Mostly sunny, with a high near 83.

Night

A slight chance of rain showers after 11pm. Partly cloudy, with a low around 67.

Monday

82° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

A slight chance of rain showers. Mostly sunny, with a high near 79.

Night

A slight chance of rain showers. Partly cloudy, with a low around 65.

San Marcos, CA Weather Analysis Tools