New Castle Weather Forecast

    • 48
    • 87

    Areas Smoke

    • 47
    • 81

    Patchy Smoke

    • 47
    • 84

    Mostly Sunny

    • 49
    • 87

    Mostly Sunny

    • 51
    • 91

    Sunny

    • 53
    • 92

    Mostly Sunny

Today 28 Jun Debeque to Silt Corridor

Sunny. Patchy smoke in the afternoon. Windy. Highs in the 80s. South Winds 10 to 15 Mph with Gusts up to 35 Mph, increasing to southwest 20 to 30 Mph with Gusts up to 45 Mph in the afternoon.

Tonight 28 Jun Debeque to Silt Corridor

Mostly clear. Smoke in the Evening, then patchy smoke after midnight. Lows in the 40s. West Winds 10 to 20 Mph with Gusts up to 40 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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New Castle Temperature Statistics

June Temperature

Garfield County Regional Airport (9.9 miles)

  • Lowest 1 June, 2026

    42.1 °F
  • Average June

    72.7 °F
  • Highest 17 June, 2026

    96.1 °F

Climate (2021–2026)

Garfield County Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    36.6 °F
  • Average 2021–2026

    50.1 °F
  • Average High 2021–2026

    64.7 °F
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