Weather forecast for todayLake San Marcos, CA

Weather forecast for today

Current condition 4:54 pm PDT

  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 10mphNE 50°
  • Humidity: 20%
  • Dewpoint: 39°F
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in Lake San Marcos, no clouds, just endless sunshine warming the day.
The temperature is a hot 86°F.

Saturday Oct 17, 2026

  • min.
  • 64°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphE 83°
  • Humidity: 31%
  • UV index: 0
  • Sunrise: 6:54 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
During the late afternoon and into the evening, primarily clear conditions are anticipated.
The lowest expected temperature is an enjoyable 64.4°F.
Sunrise was at 6:54 am and sunset will be at 6:13 pm; the daylight will last for 11h and 18min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 86°C.
Coldest hour: 12 am 70°C.

Chance of precipitation

Highest chance: 6 pm - 7 pm 1%.

Hourly weather forecast

  • 5 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphE 95°
  • Humidity: 20%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphE 96°
  • Humidity: 22%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:13 pm
  • 7 pm
  • 79°F
  • Feels like:
    79°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphE 97°
  • Humidity: 22%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 75°F
  • Feels like:
    75°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 93°
  • Humidity: 24%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 73°F
  • Feels like:
    73°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 88°
  • Humidity: 27%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 86°
  • Humidity: 28%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 74°
  • Humidity: 30%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 77°
  • Humidity: 33%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 76°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 85°
  • Humidity: 38%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between a maximum of 86°F and a minimum of 71.6°F.
Updated: Oct 17, 2026 @ 23:54:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 4:54 pm PDT is 86°F.

Today, in Lake San Marcos, the atmosphere will stay mostly clear, with few disruptions.

On Saturday, in Lake San Marcos, sunrise was at 6:54 am and sunset will be at 6:13 pm (PDT).

In Lake San Marcos, the length of the day today will be 11h and 18min.