San Ysidro Weather Forecast
- 42
- 59
Decreasing Clouds
- 44
- 61
Partly Sunny
- 47
- 64
Partly Sunny
- 49
- 67
Partly Sunny
- 49
- 68
Mostly Cloudy
- 49
- 64
Chance Rain
Today 30 Jan San Diego County Coastal Areas
Partly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs 59 to 63. Light Winds becoming west 10 Mph this afternoon. Chance of measurable precipitation 20 percent.
Tonight 30 Jan San Diego County Coastal Areas
Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Colder. Lows 34 to 43. Light Winds.
San Ysidro Temperature Statistics
January Temperature
San Diego, Brown Field Municipal Airport (3.1 miles)
Lowest 16 January, 2025
35.7 °FAverage January
55.2 °FHighest 23 January, 2025
85.6 °F
Climate (2020–Present)
San Diego, Brown Field Municipal Airport (3.1 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
54 °FAverage 2020–2025
63 °FAverage High 2020–2025
73.4 °F