Newcastle Weather Forecast

    • 65
    • 93

    Thunderstorms

    • 58
    • 88

    Chance Thunderstorms

    • 61
    • 90

    Mostly Sunny

    • 68
    • 95

    Mostly Sunny

    • 67
    • 101

    Hot

    • 57
    • 89

    Slight Chance Rain Showers

    • 57
    • 79

    Mostly Sunny

Today 29 Jul Newcastle

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 29 Jul Newcastle

Mostly cloudy. Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of rain 80 percent.

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Newcastle Temperature Statistics

July Temperature

Mondell Field (5.6 miles)

  • Lowest 3 July, 2026

    55.4 °F

  • Average July

    80.2 °F

  • Highest 26 July, 2026

    104 °F

Climate (2021–2026)

Mondell Field (5.6 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    60.8 °F
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