Weather forecast for todaySan Ysidro, CA
Weather forecast for today
Current condition 10:49 am PDT
- 88°F
- Feels like:88°F
Sunny
- Precipitation: 0"
- Wind: 13mphE 90°
- Humidity: 22%
- Dewpoint: 45°F
- Pressure: 29.99"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
Currently, the sun is shining brightly, and temperatures are comfortable.
The temperature is a hot 87.8°F. The current temperature is almost at the maximum anticipated 89.6°F for today.
The temperature is a hot 87.8°F. The current temperature is almost at the maximum anticipated 89.6°F for today.
Saturday Oct 17, 2026
- 90°F
- 66°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphESE 104°
- Humidity: 22%
- UV index: 6
- Sunrise: 6:53 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Today, on Saturday, October 17, sunshine will prevail for most of the day.
The temperature variation is forecasted to range from a maximum of a hot 89.6°F to a minimum of a comfortable 66.2°F.
Meteorological data shows 89.6°F is more characteristic of September's climate profile than October's.
Sunrise was at 6:53 am and sunset will be at 6:13 pm; the daylight will last for 11h and 19min.
The temperature variation is forecasted to range from a maximum of a hot 89.6°F to a minimum of a comfortable 66.2°F.
Meteorological data shows 89.6°F is more characteristic of September's climate profile than October's.
Sunrise was at 6:53 am and sunset will be at 6:13 pm; the daylight will last for 11h and 19min.
Hourly overview
Hourly temperatures
Warmest hour: 1 pm 90°C.
Coldest hour: 1 am 72°C.
Coldest hour: 1 am 72°C.
Chance of precipitation
Highest chance: 1 pm 3%.
Hourly weather forecast
- 11 am
- 88°F
- Feels like:88°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphE 86°
- Humidity: 21%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 12 pm
- 90°F
- Feels like:90°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphE 88°
- Humidity: 20%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 1 pm
- 90°F
- Feels like:90°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphE 98°
- Humidity: 18%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 88°F
- Feels like:88°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphESE 103°
- Humidity: 21%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 88°F
- Feels like:88°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphESE 106°
- Humidity: 22%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 86°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphESE 111°
- Humidity: 23%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 84°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphESE 116°
- Humidity: 25%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 81°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSE 126°
- Humidity: 27%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 7 pm
- 77°F
- Feels like:77°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSE 124°
- Humidity: 28%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 75°F
- Feels like:75°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 122°
- Humidity: 29%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 75°F
- Feels like:75°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 112°
- Humidity: 29%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 75°F
- Feels like:75°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 106°
- Humidity: 29%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 30%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, primarily gloomy and occasionally dry and sunny weather is predicted.
The temperature will vary between a maximum of 89.6°F and a minimum of 73.4°F. The hottest part of the day will be at noon and 1 pm.
Today, the temperature will be closer to September's norm than to October's average of 75.6°F. Today, the nighttime low will be slightly warmer than October's typical minimum of 61.2°F.
The temperature will vary between a maximum of 89.6°F and a minimum of 73.4°F. The hottest part of the day will be at noon and 1 pm.
Today, the temperature will be closer to September's norm than to October's average of 75.6°F. Today, the nighttime low will be slightly warmer than October's typical minimum of 61.2°F.
Updated: Oct 17, 2026 @ 17:49:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Currently (10:49 am PDT) it is 87.8°F in San Ysidro.
On Saturday, sunny intervals will be long-lasting, with few disruptions.
Today, the highest temperature in San Ysidro will be 89.6°F, while the lowest temperature will be 66.2°F.
The highest temperature will be uncommonly higher than the average maximum of 75.6°F in October. The lowest temperature today will be moderately higher than the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 75.6°F in October. The lowest temperature today will be moderately higher than the average low temperature.
On Saturday, in San Ysidro, sunrise was at 6:53 am and sunset will be at 6:13 pm (PDT).
In San Ysidro, the length of the day today will be 11h and 19min.
San Ysidro, California, USA
- en: San Ysidro, California, USA
- es: San Ysidro, California, EE.UU.
- hr: San Isaйdro, Kalifornija, SAD
- mk: San Isaйdro, Kalifornija, SAD
- sr: San Isaйdro, Kalifornija, SAD
- zh: 聖思多羅, 加利福尼亚州, 美国
- Latitude: 32.555556°
- Longitude: -117.047043°
- Elevation: 79 ft
- Current time: 10:49am PDT
- Sunrise: 6:53 am PDT
- Sunset: 6:13 pm PDT
- Timezone: America/Los_Angeles
Nearby San Ysidro, California, USA
- Imperial Beach (4 mi)
- Chula Vista (6 mi)
- Bonita (7 mi)
- Lincoln Acres (8 mi)
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- Barrio Logan (11 mi)
- Logan Heights (11 mi)
- Chollas View (11 mi)
- Mount Hope (12 mi)
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- Coronado (12 mi)
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- Gaslamp Quarter (12 mi)
- San Diego (13 mi)
- Lemon Grove (13 mi)
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- Redwood Village (13 mi)
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