Dorchester Weather Forecast

    • 27
    • 40

    Decreasing Clouds

    • 19
    • 49

    Partly Sunny

    • 8
    • 25

    Snow Likely

    • 12
    • 26

    Partly Sunny

    • 21
    • 34

    Mostly Cloudy

    • 24
    • 39

    Slight Chance Snow

Today 26 Feb Allamakee

Partly sunny. Not as cold with Highs in the upper 30s. Southwest Winds 5 to 10 Mph.

Tonight 26 Feb Allamakee

Partly cloudy. Not as cold with Lows in the mid 20s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

February Temperature

Decorah (16.8 miles)

  • Lowest 4 February, 2026

    3.2 °F

  • Average February

    29 °F

  • Highest 16 February, 2026

    60.8 °F

Climate (2021–Present)

Decorah (16.8 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.8 °F
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