Chapin Weather Forecast

    • 57
    • 75

    Thunderstorms

    • 53
    • 74

    Partly Sunny

    • 59
    • 79

    Mostly Sunny

    • 64
    • 82

    Slight Chance Thunderstorms

    • 68
    • 85

    Chance Rain Showers

    • 67
    • 86

    Chance Rain Showers

Today 4 Aug Franklin

Showers and Thunderstorms. Highs in the mid 70s. West Winds 5 to 10 Mph, becoming north this afternoon. Chance of rain 90 percent.

Tonight 4 Aug Franklin

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Lows in the upper 50s. North Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chapin Temperature Statistics

August Temperature

Mason City Municipal Airport (22.4 miles)

  • Lowest 2 August, 2026

    59 °F

  • Average August

    71.2 °F

  • Highest 1 August, 2026

    81.6 °F

Climate (2021–2026)

Mason City Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.6 °F
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