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San Marcos, CA Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Friday Night
Mostly clear, with a low around 56. Southeast wind 0 to 5 mph.
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Saturday
Sunny, with a high near 75. Northwest wind 0 to 5 mph.
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Saturday Night
Mostly clear, with a low around 58.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now59°
- 11 PM58°
- Sat12 AM57°
- 1 AM57°
- 2 AM56°
- 3 AM56°
- 4 AM56°
- 5 AM56°
- 6 AM56°
- 7 AM56°
- 8 AM57°
- 9 AM62°
- 10 AM67°
- 11 AM71°
- 12 PM74°
- 1 PM75°
- 2 PM75°
- 3 PM74°
- 4 PM74°
- 5 PM72°
- 6 PM70°
- 7 PM67°
- 8 PM64°
- 9 PM63°
10-day forecast
Details- ThuOct 22Chance Showers And Thunderstorms71%57°67°
- TodayOct 23Slight Chance Rain Showers21%56°69°
- SatOct 24Sunny58°75°
- SunOct 25Sunny60°78°
- MonOct 26Sunny60°81°
- TueOct 27Sunny60°81°
- WedOct 28Mostly Sunny60°79°
- ThuOct 29Cloudy52°73°
- FriOct 30Cloudy61°74°
- SatOct 31Cloudy0.09 in60°73°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in California
More weather news-
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- Air quality alert affecting Southern California Thursday
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Showery conditions, possible thunderstorms impact Northern California todayCloudy skies are expected across Northern California today, bringing periods of rain and a chance of thunderstorms later in the day. Highs will reach the mid-60s with winds from the south between 10 and 15 mph. Rain and…
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- UPDATE: Wind advisory in place for Southern California until Thursday evening
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- FriGood (42)
- SatGood (50)
San Diego Mesa and Inland Valley, CA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyRamona Area, records since 1974. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- San Diego 48 km
- Chula Vista 56 km
- Oceanside 21 km
- Escondido 8 km
- Carlsbad 17 km
- Temecula 39 km
- Murrieta 46 km
- El Cajon 43 km
- Vista 10 km
- San Clemente 52 km
- Encinitas 17 km
- National City 52 km
Forecasters' discussion
From the National Weather Service office in SGX, issued 17 hrs ago
Synopsis
Scattered mostly light showers will continue through this morning, decrease this afternoon, and end from the northwest tonight. Then dry and warmer for the weekend through Monday with high temperatures warming to around average. Then gradually cooler for next Tuesday through Thursday.
Aviation
231130Z...SCT -SHRA will continue mainly in San Diego County this morning. Cloud bases generally above 3000 feet MSL, except briefly down to 2500 feet and vis 5-6SM in SHRA. Partial obscuration of mountains will continue this morning. -SHRA will gradually taper off from north to south this afternoon, but at the same time increase in mountains. Clearing all areas from north to south after 03Z.
Marine
Isolated northwest wind gusts will occasionally exceed 20 knots today in the outer waters. Otherwise, no hazardous marine conditions are expected through Tuesday.
Beaches
Astronomical high tides will create minor to moderate coastal flooding starting Saturday. Tides are 1.4-1.6 feet above predictions. Morning high tides could reach 7 feet Saturday morning and are likely to exceed 7.5 feet by Monday morning. Locally significant impacts expected from Monday to Wednesday.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.