Rainbow Lake Weather Forecast

    • 38
    • 67

    Rain Likely

    • 33
    • 63

    Breezy

    • 39
    • 68

    Sunny

    • 44
    • 78

    Sunny

    • 45
    • 79

    Mostly Sunny

    • 45
    • 78

    Mostly Sunny

Today 9 Jun Upper Snake River Plain

Mostly cloudy with a slight chance of rain in the morning. Then sunny with a slight chance of Showers and Thunderstorms in the afternoon. Very windy. Highs 61 to 70. Southwest Winds 25 to 35 Mph.

Tonight 9 Jun Upper Snake River Plain

Mostly clear. Windy, Colder. Lows 34 to 42. Southwest Winds 20 to 30 Mph. Decreasing to 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

June Temperature

Rexburg, Rexburg-Madison County Airport (2.5 miles)

  • Lowest 1 June, 2026

    38.6 °F

  • Average June

    60.6 °F

  • Highest 5 June, 2026

    82.7 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (2.5 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    58.5 °F
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