Grattai Mountain Weather Forecast

    • 5
    • 14

    Shower

    • 4
    • 15

    Partly cloudy

    • 2
    • 17

    Sunny

    • 4
    • 18

    Partly cloudy

    • 5
    • 18

    Partly cloudy

    • 5
    • 17

    Partly cloudy

    • 6
    • 17

    Partly cloudy

Today 12 Aug North West Slopes and Plains

Cloudy. Medium chance of showers on the slopes, slight chance elsewhere. Light winds becoming westerly 20 to 30 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 3 and 6 with daytime temperatures reaching between 15 and 19.

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  • Temperature Forecast Bureau of Meteorology

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Grattai Mountain Temperature Statistics View More

August Temperature

Narrabri Airport (33km)

  • Lowest 7 August, 2026

    -0.9 °C

  • Average August

    11.7 °C

  • Highest 4 August, 2026

    22 °C

Climate (2021–2026)

Narrabri Airport (33km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    26.8 °C
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