Southwest Area Weather Forecast

    • 63
    • 85

    Chance Thunderstorms

    • 60
    • 79

    Rain Showers Likely

    • 63
    • 81

    Chance Rain Showers

    • 63
    • 80

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 78

    Slight Chance Thunderstorms

Today 18 Sep Linn

Mostly sunny with a 20 percent chance of Showers. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 18 Sep Linn

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Southwest Area Temperature Statistics

September Temperature

Cedar Rapids Airport (5.6 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    65.8 °F

  • Highest 13 September, 2025

    93 °F

Climate (2020–Present)

Cedar Rapids Airport (5.6 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    60.8 °F
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