Theodore Roosevelt National Memorial Park Weather Forecast

    • 10
    • 50

    Slight Chance Rain

    • 13
    • 25

    Mostly Sunny

    • 22
    • 38

    Mostly Cloudy

    • 17
    • 43

    Mostly Cloudy

    • 23
    • 37

    Mostly Cloudy

    • 23
    • 43

    Mostly Cloudy

Today 19 Dec Billings

Freezing rain likely in the morning. Mostly cloudy with a slight chance of rain. Not as cool. Highs around 50. South Winds around 15 Mph, becoming west 15 to 25 Mph in the afternoon. Chance of precipitation 60 percent.

Tonight 19 Dec Billings

Mostly cloudy in the evening then clearing. Lows around 10. West Winds 10 to 20 Mph with Gusts up to 30 Mph.

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Theodore Roosevelt National Memorial Park Temperature Statistics

December Temperature

BEACH (21.1 miles)

  • Lowest 13 December, 2025

    -9.4 °F

  • Average December

    22.2 °F

  • Highest 15 December, 2025

    46.4 °F

Climate (2020–Present)

BEACH (21.1 miles)

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  • Average Low 2020–2025

    31 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55.4 °F
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