Rio Weather Forecast

    • 66
    • 82

    Decreasing Clouds

    • 69
    • 78

    Partly Sunny

    • 69
    • 78

    Partly Sunny

    • 68
    • 75

    Partly Sunny

    • 67
    • 74

    Mostly Sunny

    • 66
    • 75

    Mostly Sunny

Today 19 Dec Coastal Martin

Considerable cloudiness in the morning then becoming partly sunny. Highs in the mid 80s. West Winds 5 to 10 Mph becoming northwest in the afternoon.

Tonight 19 Dec Coastal Martin

Mostly cloudy with a slight chance of Showers. Lows around 70. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Rio Temperature Statistics

December Temperature

Witham Field Airport (2.5 miles)

  • Lowest 12 December, 2025

    51.8 °F

  • Average December

    69.4 °F

  • Highest 5 December, 2025

    86 °F

Climate (2020–Present)

Witham Field Airport (2.5 miles)

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  • Average Low 2020–2025

    69.3 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    82.9 °F
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