Sun Valley Weather Forecast

    • 56
    • 70

    Chance Thunderstorms

    • 52
    • 66

    Rain Showers Likely

    • 48
    • 61

    Rain Showers Likely

    • 46
    • 68

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

Today 29 Apr Lamar

Cloudy with a 40 percent chance of Showers and Thunderstorms. Cooler with Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 29 Apr Lamar

Cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sun Valley Temperature Statistics

April Temperature

Paris / Cox Field (2.5 miles)

  • Lowest 19 April, 2026

    39 °F

  • Average April

    66.8 °F

  • Highest 1 April, 2026

    82.9 °F

Climate (2021–Present)

Paris / Cox Field (2.5 miles)

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  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    75.7 °F
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