Weather forecast for todaySan Marcos, CA

Weather forecast for today

Current condition 6:32 am PST

  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 2mphWSW 240°
  • Humidity: 54%
  • Dewpoint: 41°F
  • Pressure: 30.05"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in San Marcos, the weather is ideal, with the sun shining and the air feeling fresh.
The temperature is a refreshing 57.2°F. The current temperature is almost at the minimum-expected 53.6°F for today.

Wednesday Nov 11, 2026

  • 82°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphWSW 250°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 6:16 am PST
  • Sunset: 4:49 pm PST
  • ▼
Today, on Wednesday, November 11, sunny skies are in store, with excellent visibility.
The day's temperature range will span from a high of a temperate 82.4°F to a minimum of a fresh 53.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at 82.4°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 period: 11 am - 3 pm 81°C.
Coldest hour: 7 am 59°C.

Chance of precipitation

Highest chance: 7 pm 5%.

Hourly weather forecast

  • 7 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 79°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 76°
  • Humidity: 41%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 9 am
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphE 93°
  • Humidity: 33%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 10 am
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 217°
  • Humidity: 28%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 11 am
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 246°
  • Humidity: 27%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 254°
  • Humidity: 31%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 258°
  • Humidity: 34%
  • 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 264°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 268°
  • Humidity: 40%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 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
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphW 267°
  • Humidity: 60%
  • 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 244°
  • Humidity: 69%
  • 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: 1mphS 171°
  • Humidity: 77%
  • 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 109°
  • 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: 1mphE 90°
  • Humidity: 75%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 75%
  • 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 81°
  • Humidity: 71%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in San Marcos, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be 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 2 pm.
The day’s peak temperature will reflect October's norm of 75.4°F more than November's 69.4°F. The lowest temperature is resembling November's typical minimum of 54°F.
Updated: Nov 11, 2026 @ 14:32:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (6:32 am PST) it is 57.2°F in San Marcos.

On Wednesday, skies will stay clear and sunny.

Today, the highest temperature will be 82.4°F, while the lowest temperature will be 53.6°F. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated 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 Wednesday, in San Marcos, sunrise was at 6:16 am and sunset will be at 4:49 pm (PST).

In San Marcos, California, the length of the day today will be 10h and 33min.