Merewether Weather Forecast

    • 19
    • 23

    Cloudy

    • 17
    • 22

    Possible morning shower

    • 18
    • 25

    Partly cloudy

    • 16
    • 31

    Sunny

    • 19
    • 34

    Partly cloudy

    • 21
    • 30

    Shower or two. Possible storm

    • 21
    • 35

    Shower or two

Today 15 Dec Newcastle

Cloudy. Slight chance of a shower, most likely later this evening. Winds southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

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Merewether 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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