Lewiston Weather Forecast

    • 51
    • 93

    Mostly Sunny

    • 52
    • 91

    Partly Sunny

    • 41
    • 82

    Mostly Sunny

    • 46
    • 84

    Partly Sunny

    • 48
    • 88

    Partly Sunny

    • 50
    • 90

    Mostly Sunny

    • 52
    • 92

    Mostly Sunny

Today 6 Aug Cache Valley/Utah Portion

Sunny. Highs in the mid 90s.

Tonight 6 Aug Cache Valley/Utah Portion

Mostly clear. Lows in the lower 50s. Southwest Winds 10 to 20 Mph early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewiston Temperature Statistics

August Temperature

Logan-Cache Airport (13 miles)

  • Lowest 1 August, 2025

    50.6 °F

  • Average August

    72.4 °F

  • Highest 4 August, 2025

    93 °F

Climate (2020–Present)

Logan-Cache Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    35 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    61.3 °F
Get WillyWeather+ to remove ads