San Ysidro Weather Forecast
- 62
- 72
Increasing Clouds
- 62
- 72
Increasing Clouds
- 63
- 73
Mostly Cloudy
- 63
- 76
Mostly Cloudy
- 64
- 76
Mostly Cloudy
- 63
- 76
Mostly Cloudy
- 63
- 75
Mostly Cloudy
Today 26 Jul San Diego County Coastal Areas
Mostly cloudy this morning. Becoming partly cloudy. Highs 70 to 74 near the coast to 74 to 77 inland. Areas of Winds northwest to 10 Mph becoming west this afternoon.
Tonight 26 Jul San Diego County Coastal Areas
Partly cloudy this evening. Becoming mostly cloudy. Lows 56 to 63. Areas of Winds west 10 Mph this evening becoming light.
San Ysidro Temperature Statistics
July Temperature
San Diego, Brown Field Municipal Airport (3.1 miles)
Lowest 8 July, 2025
57.7 °FAverage July
69.9 °FHighest 4 July, 2025
81.6 °F
Climate (2020–Present)
San Diego, Brown Field Municipal Airport (3.1 miles)
Average Low 2020–2025
54.1 °FAverage 2020–2025
63.4 °FAverage High 2020–2025
73.9 °F