Weather forecast for todaySan Marcos, CA
Weather forecast for today
Current condition 6:46 am PDT
- 81°F
- Feels like:81°F
Partly Cloudy
- Precipitation: 0"
- Wind: 13mphE 80°
- Humidity: 24%
- Dewpoint: 39°F
- Pressure: 29.96"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In San Marcos, currently, a mix of cloud cover and clear skies can be seen.
The temperature is a warm 80.6°F. The current temperature is only a few degrees off the highest temperature for today.
The temperature is a warm 80.6°F. The current temperature is only a few degrees off the highest temperature for today.
Saturday Oct 17, 2026
- 86°F
- 63°F
AM Showers
- Precip. probability: 30%
- Precipitation: 0"
- Wind: 15mphE 86°
- Humidity: 21%
- UV index: 4
- Sunrise: 6:54 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Today, on Saturday, October 17, light rain showers are anticipated early in the day.
Minimal precipitation is predicted. The maximum forecasted temperature is a humid 86°F, while the minimum temperature will be a breezy 62.6°F.
Today, the expected high of 86°F is expected to reflect September's average high of 80.8°F.
Sunrise will be at 6:54 am and sunset at 6:13 pm; the daylight will last for 11h and 18min.
Minimal precipitation is predicted. The maximum forecasted temperature is a humid 86°F, while the minimum temperature will be a breezy 62.6°F.
Today, the expected high of 86°F is expected to reflect September's average high of 80.8°F.
Sunrise will be at 6:54 am and sunset at 6:13 pm; the daylight will last for 11h and 18min.
Hourly overview
Hourly temperatures
Warmest period: 1 pm - 3 pm 84°C.
Coldest hour: 11 pm 70°C.
Coldest hour: 11 pm 70°C.
Chance of precipitation
Highest chance: 7 am 55%.
Hourly weather forecast
- 7 am
- 79°F
- Feels like:79°F
Showers
- Precip. probability: 55%
- Precipitation: 0.04"
- Wind: 14mphE 82°
- Humidity: 25%
- Pressure: 29.94"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 8 am
- 79°F
- Feels like:79°F
Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 13mphE 84°
- Humidity: 26%
- Pressure: 29.97"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 9 am
- 81°F
- Feels like:81°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphE 85°
- Humidity: 23%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:81°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphE 82°
- Humidity: 23%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 82°F
- Feels like:82°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphE 80°
- Humidity: 20%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphE 80°
- Humidity: 20%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 84°F
- Feels like:84°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphE 86°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 88°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 84°F
- Feels like:84°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphE 93°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphE 92°
- Humidity: 20%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 82°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 92°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphE 92°
- Humidity: 20%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 7 pm
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 92°
- Humidity: 21%
- Pressure: 29.94"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 8 pm
- 75°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 91°
- Humidity: 23%
- Pressure: 29.97"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 9 pm
- 73°F
- Feels like:73°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 85°
- Humidity: 25%
- Pressure: 29.97"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 80°
- Humidity: 27%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 61°
- Humidity: 30%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, primarily dull and occasionally showery weather is predicted.
With minimal precipitation of 0.04", rain is expected at 7 am and 8 am.
The temperature will be between the highest temperature of 86°F and the lowest temperature of 69.8°F. The hottest part of the day will be around 2 pm.
The maximum temperature today will be more comparable to September's average high of 80.8°F than October's typical of 75.4°F. The lowest temperature is expected to be moderately higher than the average minimum in October, typically 58.8°F.
With minimal precipitation of 0.04", rain is expected at 7 am and 8 am.
The temperature will be between the highest temperature of 86°F and the lowest temperature of 69.8°F. The hottest part of the day will be around 2 pm.
The maximum temperature today will be more comparable to September's average high of 80.8°F than October's typical of 75.4°F. The lowest temperature is expected to be moderately higher than the average minimum in October, typically 58.8°F.
Updated: Oct 17, 2026 @ 13:46:34 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (6:46 am PDT) is 80.6°F.
Today, expect on-and-off morning showers creating wet conditions.
Today, there is a low probability of minimal rainfall in San Marcos.
Today, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
The highest temperature will be noticeably higher than the average maximum of 75.4°F in October. The lowest temperature will be relatively higher than the average low of 58.8°F.
The highest temperature will be noticeably higher than the average maximum of 75.4°F in October. The lowest temperature will be relatively higher than the average low of 58.8°F.
On Saturday, in San Marcos, sunrise will be at 6:54 am and sunset at 6:13 pm (PDT).
In San Marcos, today, there will be 11h and 18min of daylight.
San Marcos, California, USA
- en: San Marcos, California, USA
- es: San Marcos, California, EE.UU.
- hr: San Markos, Kalifornija, SAD
- mk: San Markos, Kalifornija, SAD
- sr: San Markos, Kalifornija, SAD
- zh: 圣马可斯, 加利福尼亚州, 美国
- Latitude: 33.143372°
- Longitude: -117.166145°
- Elevation: 581 ft
- Current time: 6:46am PDT
- Sunrise: 6:54 am PDT
- Sunset: 6:13 pm PDT
- Timezone: America/Los_Angeles
Nearby San Marcos, California, USA
- Lake San Marcos (2 mi)
- Twin Oaks (3 mi)
- Jesmond Dene (4 mi)
- Escondido (5 mi)
- Vista (6 mi)
- Lawrence Welk Resort... (6 mi)
- Hidden Meadows (6 mi)
- Rancho Santa Fe (9 mi)
- Rancho Bernardo (9 mi)
- Valley Center (9 mi)
- Black Mountain Ranch (10 mi)
- Encinitas (11 mi)
- Fairbanks Ranch (11 mi)
- Bonsall (11 mi)
- Cardiff (11 mi)
- Carlsbad (11 mi)
- San Pasqual Valley (11 mi)
- Lilac (11 mi)
- San Luis Rey (11 mi)
- Solana Beach (12 mi)
- Carmel Mountain Ranch (12 mi)
- North City (12 mi)
- Rancho Peñasquitos (12 mi)
- Oceanside (13 mi)
California, USA - most visited locations
- Los Angeles
- San Francisco
- San Diego
- San Jose
- Sacramento
- Fresno
- Long Beach
- Oakland
- Bakersfield
- Anaheim
- Santa Ana
- Riverside
- Stockton
- Irvine
- Chula Vista
- Fremont
- Santa Rosa
- Pasadena
- Hayward
- Salinas
- Sunnyvale
- Berkeley
- Pomona
- Visalia
- Santa Clara
- Carlsbad
- Ventura
- West Covina
- Fullerton
- Norwalk
- Daly City
- Murrieta
- Burbank
- El Cajon
- San Mateo
- Clovis