San Jacinto Weather Forecast

    • 21
    • 40

    Gradual Clearing

    • 15
    • 34

    Mostly Cloudy

    • 5
    • 20

    Mostly Cloudy

    • 11
    • 15

    Snow Likely

    • 7
    • 20

    Slight Chance Snow

    • 6
    • 20

    Partly Sunny

Today 21 Jan Jennings

Mostly cloudy. Not as cool with Highs around 40. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Jan Jennings

Partly cloudy through Midnight, then clearing. Cold with Lows in the lower 20s. Southwest Winds 10 to 15 Mph.

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San Jacinto Temperature Statistics

January Temperature

Madison Municipal Airport (13.7 miles)

  • Lowest 19 January, 2026

    10.4 °F

  • Average January

    34.9 °F

  • Highest 9 January, 2026

    64.4 °F

Climate (2021–Present)

Madison Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65.7 °F
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