Guernsey Weather Forecast

    • 29
    • 42

    Mostly Cloudy

    • 19
    • 35

    Chance Snow

    • 24
    • 31

    Mostly Sunny

    • 34
    • 45

    Partly Sunny

    • 29
    • 51

    Slight Chance Rain

    • 18
    • 32

    Mostly Cloudy

    • 23
    • 31

    Mostly Cloudy

Today 9 Jan Poweshiek

Sunny. Near steady temperature in the upper 30s. North Winds 5 to 10 Mph.

Tonight 9 Jan Poweshiek

Mostly cloudy. A chance of Flurries this Evening, then a chance of snow after midnight. Little or no snow accumulation. Lows in the upper 20s. Northwest Winds around 5 Mph. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guernsey Temperature Statistics

January Temperature

Oskaloosa, Oskaloosa Municipal Airport (29.8 miles)

  • Lowest 1 January, 2026

    18.5 °F

  • Average January

    33.4 °F

  • Highest 7 January, 2026

    60.1 °F

Climate (2021–Present)

Oskaloosa, Oskaloosa Municipal Airport (29.8 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.7 °F
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