Bertram Weather Forecast

    • 72
    • 95

    Becoming Sunny

    • 67
    • 91

    Mostly Sunny

    • 66
    • 85

    Partly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 67
    • 89

    Chance Rain Showers

Today 4 Sep Linn

Sunny. A slight chance of Showers with isolated Thunderstorms this afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 104 this afternoon.

Tonight 4 Sep Linn

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Heat index Values up to 101 early in the evening.

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Bertram Temperature Statistics

September Temperature

Cedar Rapids Airport (10.6 miles)

  • Lowest 1 September, 2026

    70.6 °F

  • Average September

    81.6 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Cedar Rapids Airport (10.6 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.5 °F
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