Weather forecast for todaySan Marcos, CA

Weather forecast for today

Current condition 10:55 am PST

  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphSW 230°
  • Humidity: 24%
  • Dewpoint: 41°F
  • Pressure: 30.04"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
At the moment, in San Marcos, the weather is cheerful and full of sunlight.
The temperature is a temperate 82.4°F. The current temperature is almost at the maximum expected 80.6°F for today.

Wednesday Nov 11, 2026

  • 81°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphW 263°
  • Humidity: 41%
  • UV index: 4
  • Sunrise: 6:16 am PST
  • Sunset: 4:49 pm PST
  • ▼
Today, the forecast calls for abundant sunshine.
Temperature fluctuations will be substantial, ranging from a peak of a temperate 80.6°F to a low of a fresh 53.6°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 80.6°F.
It will feel warmer than usual, as the temperature reflects October's normal high of 75.4°F, not November's.
Sunrise was at 6:16 am and sunset will be at 4:49 pm; the daylight will last for 10h and 33min.

Hourly overview

Hourly temperatures

Warmest hour: 11 am 82°C.
Coldest hour: 1 am 59°C.

Chance of precipitation

Highest chance: 7 pm 5%.

Hourly weather forecast

  • 11 am
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 251°
  • Humidity: 25%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 258°
  • Humidity: 29%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 262°
  • Humidity: 32%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 265°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 270°
  • Humidity: 41%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphW 273°
  • Humidity: 51%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:49 pm
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphW 271°
  • Humidity: 61%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphWSW 248°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSSE 163°
  • Humidity: 77%
  • Pressure: 30"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: 77%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphE 94°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 81°
  • Humidity: 72%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 82°
  • Humidity: 68%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in San Marcos, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the lowest temperature of 60.8°F and the highest temperature of 82.4°F. The warmest part of the day will be at 11 am and noon.
The highest temperature is more in line with October's average maximum of 75.4°F than November's usual of 69.4°F. The night temperature will be in line with the standard November low of 54°F.
Updated: Nov 11, 2026 @ 18:55:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (10:55 am PST) is 82.4°F.

On Wednesday, in San Marcos, sunshine will likely continue with scattered clouds at most.

Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 53.6°F. The maximum heat index, which combines relative humidity and air temperature, is appraised at 80.6°F.
The highest temperature will be noticeably higher than the average maximum 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 was at 6:16 am and sunset will be at 4:49 pm (PST).

Today, the daylight will last for 10h and 33min.