Weather forecast for todaySan Marcos, CA

Weather forecast for today

Current condition 7:31 am PST

  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphENE 60°
  • Humidity: 63%
  • Dewpoint: 45°F
  • Pressure: 30.02"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in San Marcos, the horizon is crisp, and the weather remains sunny and inviting.
The temperature is a moderate 55.4°F. The present temperature is at its lowest of the day.

Friday Nov 6, 2026

  • 81°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNW 304°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 6:11 am PST
  • Sunset: 4:52 pm PST
  • ▼
Today, in San Marcos, sunshine is expected with little to no cloud cover.
The maximum forecasted temperature is a temperate 80.6°F, while the minimum temperature will be a mild 55.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 80.6°F.
Expect temperatures to match October's average maximum of 75.4°F rather than November's 69.4°F.
Sunrise was at 6:11 am and sunset will be at 4:52 pm; the daylight will last for 10h and 41min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 2 pm 79°C.
Coldest hour: 12 am 59°C.

Chance of precipitation

Highest chance: 8 pm 2%.

Hourly weather forecast

  • 8 am
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphENE 62°
  • Humidity: 53%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 9 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 38°
  • Humidity: 40%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 10 am
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 338°
  • Humidity: 32%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 11 am
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 302°
  • Humidity: 27%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWNW 288°
  • Humidity: 27%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWNW 284°
  • Humidity: 29%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 279°
  • Humidity: 32%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphW 279°
  • Humidity: 33%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 278°
  • Humidity: 42%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:52 pm
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphW 279°
  • Humidity: 51%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphWNW 303°
  • Humidity: 57%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphESE 107°
  • Humidity: 59%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphE 82°
  • Humidity: 59%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphENE 72°
  • Humidity: 58%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphENE 65°
  • Humidity: 56%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 58°
  • Humidity: 54%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the highest temperature of 80.6°F and the lowest temperature of 59°F. The warmest part of the day will be around 1 pm.
The day’s peak temperature will reflect October's norm of 75.4°F more than November's 69.4°F. The temperature low is forecasted to be consistent with the usual November value of 54°F.
Updated: Nov 6, 2026 @ 15:31:55 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (7:31 am PST) it is 55.4°F in San Marcos.

Today, skies will stay clear and sunny.

Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 55.4°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at 80.6°F.
The highest temperature will be uncommonly 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 Friday, in San Marcos, sunrise was at 6:11 am and sunset will be at 4:52 pm (PST).

In San Marcos, today, there will be 10h and 41min of daylight.