Forestville / Mystery Cave State Park Weather Forecast

    • 36
    • 42

    Mostly Cloudy

    • 7
    • 38

    Rain/Snow Likely

    • 2
    • 12

    Blustery

    • 13
    • 26

    Mostly Cloudy

    • -3
    • 20

    Mostly Cloudy

    • -6
    • 4

    Cold

Today 27 Dec Fillmore

Mostly cloudy. Areas of fog in the morning. Patchy drizzle in the afternoon. Highs in the lower 40s. South Winds 10 to 15 Mph.

Tonight 27 Dec Fillmore

Cloudy. Near steady temperature in the upper 30s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight.

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Forestville / Mystery Cave State Park Temperature Statistics

December Temperature

Preston, Fillmore County Airport (2.5 miles)

  • Lowest 14 December, 2025

    -11.2 °F

  • Average December

    18 °F

  • Highest 16 December, 2025

    41 °F

Climate (2020–Present)

Preston, Fillmore County Airport (2.5 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    55.4 °F
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