Hamilton Weather Forecast

    • 22
    • 30

    Mostly sunny

    • 21
    • 38

    Mostly sunny

    • 25
    • 32

    Shower or two

    • 21
    • 29

    Shower or two

    • 19
    • 29

    Cloudy

    • 19
    • 25

    Shower or two

    • 18
    • 23

    Cloudy

Today 20 Dec Newcastle

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon. Light winds becoming south to southeasterly 15 to 20 km/h in the morning then tending east to southeasterly 15 to 25 km/h in the middle of the day.

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Hamilton Temperature Statistics View More

December Temperature

Newcastle (Nobbys) (5km)

  • Lowest 2 December, 2025

    11.3 °C

  • Average December

    21.4 °C

  • Highest 5 December, 2025

    36.1 °C

Climate (2020–Present)

Newcastle (Nobbys) (5km)

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  • Average Low 2020–2025

    15.3 °C

  • Average 2020–2025

    18.5 °C

  • Average High 2020–2025

    22.3 °C
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