San Mateo Weather Forecast

    • 62
    • 91

    Smoke

    • 58
    • 90

    Isolated Thunderstorms

    • 57
    • 88

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 57
    • 83

    Chance Thunderstorms

    • 55
    • 76

    Rain Showers Likely

Today 19 Jun West Central Mountains

Sunny this Morning, then partly cloudy with scattered Sprinkles this afternoon. Hazy. Smoke this afternoon. Highs in the lower 90s. South Winds around 15 Mph.

Tonight 19 Jun West Central Mountains

Partly cloudy in the Evening, then becoming mostly clear. Hazy and smoke. Lows in the upper 50s. South Winds 15 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Mateo Temperature Statistics

June Temperature

Grants, Grants-Milan Municipal Airport (18 miles)

  • Lowest 5 June, 2025

    44.4 °F

  • Average June

    70.9 °F

  • Highest 16 June, 2025

    94.5 °F

Climate (2020–Present)

Grants, Grants-Milan Municipal Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    67.3 °F
Get WillyWeather+ to remove ads