Weather forecast for todaySan Marcos, CA

Weather forecast for today

Current condition 9:50 am PST

  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphW 270°
  • Humidity: 31%
  • Dewpoint: 45°F
  • Pressure: 30.08"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
Currently, no clouds in the sky, just uninterrupted sunshine.
The temperature is a warm 78.8°F. The current temperature is almost at the maximum expected 82.4°F for today.

Tuesday Nov 10, 2026

  • 82°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphW 279°
  • Humidity: 42%
  • UV index: 4
  • Sunrise: 6:15 am PST
  • Sunset: 4:49 pm PST
  • ▼
Today, in San Marcos, skies are expected to be clear and full of sunshine.
Temperature readings will considerable fluctuate from a daytime peak of a moderately hot 82.4°F to a nighttime low of a mild 55.4°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 82.4°F.
Forecasts show a high closer to October's climate pattern, around 75.4°F, rather than November's 69.4°F.
Sunrise was at 6:15 am and sunset will be at 4:49 pm; the daylight will last for 10h and 35min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 82°C.
Coldest hour: 12 am 61°C.

Chance of precipitation

Highest chance: 8 pm 3%.

Hourly weather forecast

  • 10 am
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWNW 288°
  • Humidity: 30%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 11 am
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphW 278°
  • Humidity: 28%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 270°
  • Humidity: 30%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphW 270°
  • Humidity: 36%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphW 269°
  • Humidity: 39%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphW 272°
  • Humidity: 44%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphW 276°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:49 pm
  • 5 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 284°
  • Humidity: 59%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphWNW 296°
  • Humidity: 68%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSSE 154°
  • Humidity: 71%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphESE 106°
  • Humidity: 72%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 95°
  • Humidity: 70%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 80°
  • Humidity: 67%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 76°
  • Humidity: 68%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, mostly cloudless and sunny weather is anticipated.
The temperature will vary between a maximum of 82.4°F and a minimum of 60.8°F. The warmest part of the day will be from 11 am to 1 pm.
The day’s peak temperature will reflect October's norm of 75.4°F more than November's 69.4°F. The expected low will be close to the average minimum in November, which is 54°F.
Updated: Nov 10, 2026 @ 17:50:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 9:50 am PST is 78.8°F.

On Tuesday, in San Marcos, expect consistent sunshine and open skies.

Today, the maximum temperature in San Marcos will be 82.4°F, while the minimum temperature will be 55.4°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 uncommonly 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 Tuesday, in San Marcos, sunrise was at 6:15 am and sunset will be at 4:49 pm (PST).

In San Marcos, the length of the day today will be 10h and 35min.