San Antonio Weather Forecast

    • 38
    • 54

    Mostly Cloudy

    • 42
    • 53

    Increasing Clouds

    • 49
    • 53

    Rain

    • 51
    • 57

    Rain

    • 48
    • 58

    Rain Likely

    • 43
    • 56

    Rain

    • 42
    • 55

    Rain

Today 29 Jan North Bay Interior Valleys

Partly cloudy. Highs in the 40s to upper 50s. Southwest Winds around 5 Mph.

Tonight 29 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the lower 30s to mid 40s. West Winds up to 5 Mph in the evening. Becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio Temperature Statistics

January Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 21 January, 2025

    32 °F

  • Average January

    49.6 °F

  • Highest 7 January, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (3.1 miles)

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

  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.8 °F
Get WillyWeather+ to remove ads