Williamstown Weather Forecast

    • 32
    • 58

    Mostly Sunny

    • 32
    • 50

    Partly Sunny

    • 36
    • 59

    Sunny

    • 49
    • 64

    Rain Showers

    • 37
    • 62

    Slight Chance Rain Showers

    • 40
    • 60

    Partly Sunny

Today 19 Apr Johnson

Areas of frost in the morning. Sunny. Highs in the upper 50s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Apr Johnson

Clear. Areas of frost. Cooler with Lows in the mid 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

April Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 6 April, 2024

    29.8 °F

  • Average April

    52.8 °F

  • Highest 14 April, 2024

    86 °F

Climate (2019–Present)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2019–2024

    42.3 °F

  • Average 2019–2024

    52 °F

  • Average High 2019–2024

    61.7 °F
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