South San Ysidro Weather Forecast

    • 45
    • 77

    Breezy

    • 39
    • 72

    Breezy

    • 42
    • 72

    Mostly Sunny

    • 42
    • 67

    Chance Rain Showers

    • 41
    • 69

    Chance Rain Showers

    • 42
    • 72

    Slight Chance Thunderstorms

Today 17 May Glorieta Mesa Including Glorieta Pass

Breezy, sunny. Patchy blowing dust in the afternoon. Highs in the mid 70s. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 17 May Glorieta Mesa Including Glorieta Pass

Mostly clear and breezy. Lows in the mid 40s. Southwest Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South San Ysidro Temperature Statistics

May Temperature

Las Vegas Municipal Airport (28.6 miles)

  • Lowest 7 May, 2026

    27.6 °F

  • Average May

    54.5 °F

  • Highest 12 May, 2026

    84.7 °F

Climate (2021–Present)

Las Vegas Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    66.5 °F
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