Sun Valley Weather Forecast

    • 30
    • 75

    Slight Chance Thunderstorms

    • 28
    • 46

    Mostly Sunny

    • 43
    • 60

    Partly Sunny

    • 52
    • 73

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

    • 58
    • 87

    Sunny

Today 15 Mar Lamar

Mostly cloudy this Morning, then becoming mostly sunny. A 20 percent chance of Showers and Thunderstorms. Windy with Highs in the mid 70s. Temperatures falling into the lower 60s this afternoon. South Winds 15 to 20 Mph with wind Gusts up to 35 Mph are Possible, becoming northwest 20 to 30 Mph with wind Gusts up to 45 Mph are possible this afternoon.

Tonight 15 Mar Lamar

Partly cloudy in the Evening, then clearing. Breezy and much Colder with Lows around 30. Northwest Winds 15 to 25 Mph. Wind Gusts up to 40 Mph are possible in the evening.

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Sun Valley Temperature Statistics

March Temperature

Paris / Cox Field (2.5 miles)

  • Lowest 12 March, 2026

    36 °F

  • Average March

    64.7 °F

  • Highest 3 March, 2026

    82 °F

Climate (2021–Present)

Paris / Cox Field (2.5 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    75.5 °F
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