New Castle Weather Forecast

    • 41
    • 74

    Mostly Sunny

    • 42
    • 75

    Partly Sunny

    • 43
    • 75

    Mostly Cloudy

    • 42
    • 75

    Slight Chance Thunderstorms

    • 35
    • 67

    Rain Showers Likely

    • 31
    • 56

    Rain Showers Likely

Today 27 Mar Debeque to Silt Corridor

Sunny. Highs in the 70s.

Tonight 27 Mar Debeque to Silt Corridor

Partly cloudy. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

March Temperature

Garfield County Regional Airport (9.9 miles)

  • Lowest 16 March, 2026

    19.9 °F

  • Average March

    47.2 °F

  • Highest 21 March, 2026

    82.9 °F

Climate (2021–Present)

Garfield County Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    64.7 °F
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