Deep River County Park Weather Forecast

    • 38
    • 50

    Patchy Fog

    • 44
    • 46

    Rain Likely

    • 20
    • 57

    Rain

    • 16
    • 25

    Chance Snow

    • 22
    • 28

    Mostly Cloudy

    • 10
    • 29

    Slight Chance Snow

    • 7
    • 18

    Mostly Sunny

Today 26 Dec Lake

Cloudy. Highs in the lower 50s. Northwest Winds around 10 Mph.

Tonight 26 Dec Lake

Cloudy. Patchy fog in the late evening and overnight. Lows in the upper 30s. Northwest Winds around 5 Mph, becoming northeast after midnight.

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Deep River County Park Temperature Statistics

December Temperature

Gary Regional Airport (12.4 miles)

  • Lowest 14 December, 2025

    1.4 °F

  • Average December

    27.4 °F

  • Highest 23 December, 2025

    57.2 °F

Climate (2020–Present)

Gary Regional Airport (12.4 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.9 °F
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