New Castle Weather Forecast

    • 16
    • 39

    Mostly Sunny

    • 24
    • 45

    Partly Sunny

    • 32
    • 47

    Mostly Cloudy

    • 32
    • 51

    Partly Sunny

    • 35
    • 54

    Partly Sunny

    • 34
    • 55

    Mostly Cloudy

Today 30 Jan Debeque to Silt Corridor

Sunny. Highs 35 to 45.

Tonight 30 Jan Debeque to Silt Corridor

Clear. Lows 10 to 20.

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New Castle Temperature Statistics

January Temperature

Garfield County Regional Airport (9.9 miles)

  • Lowest 21 January, 2025

    -6 °F
  • Average January

    20.5 °F
  • Highest 3 January, 2025

    43 °F

Climate (2020–Present)

Garfield County Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    35.7 °F
  • Average 2020–2025

    49.4 °F
  • Average High 2020–2025

    64.1 °F
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