Weather forecast for todaySan Marcos, CA

Weather forecast for today

Current condition 5:14 am PST

  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 2mphE 80°
  • Humidity: 55%
  • Dewpoint: 43°F
  • Pressure: 30.04"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, visibility is at its best under a bright, clear sky.
The temperature is a moderate 57.2°F. The current temperature is almost at the minimum-anticipated 53.6°F for today.

Wednesday Nov 11, 2026

  • 82°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphWSW 245°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 6:16 am PST
  • Sunset: 4:49 pm PST
  • ▼
Today, in San Marcos, expect sunny weather with a crisp, clear sky.
The daytime temperature will peak at a warm 82.4°F, significantly contrasting with the night's low of a crisp 53.6°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at 82.4°F.
The expected high of 82.4°F appears seasonally off, better matching October's typical values.
Sunrise will be at 6:16 am and sunset at 4:49 pm; the daylight will last for 10h and 33min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 2 pm 81°C.
Minimum temperature: 59°C.

Chance of precipitation

Highest chance: 8 pm 5%.

Hourly weather forecast

  • 6 am
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 80°
  • Humidity: 55%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:16 am
  • 8 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 76°
  • Humidity: 41%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 225°
  • Humidity: 28%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 252°
  • Humidity: 31%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 262°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 269°
  • Humidity: 49%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:49 pm
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphWSW 244°
  • Humidity: 70%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphESE 105°
  • Humidity: 78%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, sunshine is expected.
The temperature will vary between the lowest temperature of 59°F and the highest temperature of 80.6°F. The warmest part of the day will be from 11 am to 3 pm.
The maximum temperature will align more closely with October's average high of 75.4°F than with November's 69.4°F. The temperature low is forecasted to be comparable to the usual November value of 54°F.
Updated: Nov 11, 2026 @ 13:14:00 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:14 am PST) in San Marcos is 57.2°F.

On Wednesday, conditions will remain bright with clear skies.

Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 53.6°F. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 82.4°F.
The maximum temperature will be notably higher than the average highest temperature of 69.4°F in November. The lowest temperature will be in line with the average low of 54°F.

On Wednesday, in San Marcos, sunrise will be at 6:16 am and sunset at 4:49 pm (PST).

In San Marcos, today, there will be 10h and 33min of daylight.