Hamilton South Weather Forecast

    • 17
    • 25

    Partly cloudy

    • 16
    • 27

    Becoming cloudy

    • 19
    • 24

    Cloudy

    • 18
    • 28

    Partly cloudy

    • 19
    • 34

    Sunny

    • 21
    • 29

    Partly cloudy

    • 20
    • 29

    Partly cloudy

Today 21 Jan Newcastle

Mostly sunny. Slight chance of a shower. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then tending easterly in the late afternoon.

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Hamilton South Temperature Statistics View More

January Temperature

Newcastle (Nobbys) (5km)

  • Lowest 12 January, 2026

    16.7 °C

  • Average January

    22 °C

  • Highest 10 January, 2026

    36.9 °C

Climate (2021–Present)

Newcastle (Nobbys) (5km)

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  • Average Low 2021–2026

    15.3 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    22.3 °C
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