Rays Lake Weather Forecast

    • 26
    • 53

    Chance Rain

    • 29
    • 55

    Mostly Sunny

    • 28
    • 65

    Sunny

    • 28
    • 64

    Sunny

    • 29
    • 64

    Mostly Sunny

    • 31
    • 64

    Mostly Sunny

Today 13 Oct Arco/Mud Lake Desert

Mostly cloudy. A chance of rain in the morning. Highs 48 to 55. Northwest Winds up to 10 Mph. Shifting to west around 10 Mph in the afternoon.

Tonight 13 Oct Arco/Mud Lake Desert

Partly cloudy. Lows 23 to 30. Northwest Winds around 10 Mph in the evening. Becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rays Lake Temperature Statistics

October Temperature

Rexburg, Rexburg-Madison County Airport (23 miles)

  • Lowest 9 October, 2026

    37.7 °F

  • Average October

    58.3 °F

  • Highest 5 October, 2026

    83.6 °F

Climate (2021–2026)

Rexburg, Rexburg-Madison County Airport (23 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    58.7 °F
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