Weather forecast for todaySan Ysidro, CA

Weather forecast for today

Current condition 10:22 am PST

  • 72°F
  • Feels like:
    72°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 1mphSE 140°
  • Humidity: 56%
  • Dewpoint: 55°F
  • Pressure: 29.93"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
At the moment, in San Ysidro, outdoor conditions are perfect, with fair skies and a light breeze.
The temperature is a delightful 71.6°F. The current temperature is nearly at the maximum of today's anticipated 73.4°F.

Saturday Oct 31, 2026

  • 73°F
  • 63°F
PM Rain
PM Rain
  • Precip. probability: 77%
  • Precipitation: 1.02"
  • Wind: 8mphWSW 241°
  • Humidity: 63%
  • UV index: 5
  • Sunrise: 7:05 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
On Saturday, in San Ysidro, expect cloudy, rainy weather in the afternoon.
Increased precipitation is expected for today. The highest anticipated temperature is a warm 73.4°F, while the lowest temperature will be a breezy 62.6°F.
The maximum temperature today is expected to reflect October's average high of 75.6°F.
Sunrise was at 7:05 am and sunset will be at 5:58 pm; the daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 2 pm 72°C.
Coldest period: 8 pm - 1 am 66°C.

Chance of precipitation

Highest chance: 1 am 97%.

Hourly weather forecast

  • 12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphWSW 247°
  • Humidity: 56%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 1 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphW 259°
  • Humidity: 58%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphWSW 246°
  • Humidity: 58%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphWSW 246°
  • Humidity: 64%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 8mphWSW 237°
  • Humidity: 67%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 pm
  • 70°F
  • Feels like:
    70°F
Showers
Showers
  • Precip. probability: 59%
  • Precipitation: 0.04"
  • Wind: 7mphSW 228°
  • Humidity: 71%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:58 pm
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Rain
Rain
  • Precip. probability: 77%
  • Precipitation: 0.08"
  • Wind: 6mphSW 222°
  • Humidity: 75%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 7 pm
  • 66°F
  • Feels like:
    68°F
Rain
Rain
  • Precip. probability: 79%
  • Precipitation: 0.12"
  • Wind: 6mphSW 221°
  • Humidity: 80%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 8 pm
  • 66°F
  • Feels like:
    66°F
Rain
Rain
  • Precip. probability: 86%
  • Precipitation: 0.16"
  • Wind: 4mphSW 225°
  • Humidity: 83%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 9 pm
  • 66°F
  • Feels like:
    66°F
Rain
Rain
  • Precip. probability: 92%
  • Precipitation: 0.08"
  • Wind: 3mphSW 222°
  • Humidity: 83%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    66°F
Rain
Rain
  • Precip. probability: 86%
  • Precipitation: 0.08"
  • Wind: 4mphWSW 239°
  • Humidity: 84%
  • Pressure: 29.85"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 11 pm
  • 66°F
  • Feels like:
    66°F
Rain
Rain
  • Precip. probability: 89%
  • Precipitation: 0.08"
  • Wind: 4mphSSW 204°
  • Humidity: 82%
  • Pressure: 29.85"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Today, in San Ysidro, a combination of rain-soaked and overcast weather is anticipated.
Rainfall is expected practically for the rest of the day. With moderate precipitation of 0.16", most rainfall is expected at 8 pm.
The temperature will be between a maximum of 71.6°F and a minimum of 66.2°F. The warmest part of the day will be from noon to 2 pm.
Today, the forecasted high aligns close to the average peak in October. The expected low will be also similar to the average minimum in October, which is 61.2°F.
Updated: Oct 31, 2026 @ 18:22:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 10:22 am PST is 71.6°F.

On Saturday, in San Ysidro, rain showers are forecasted for the latter part of the day.

Yes. With a probability of 77%, increased precipitation of 1.02" is anticipated.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 62.6°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Saturday, in San Ysidro, sunrise was at 7:05 am and sunset will be at 5:58 pm (PDT).

In San Ysidro, California, the length of the day today will be 10h and 53min.