Grattai Mountain Weather Forecast

    • 16
    • 33

    Partly cloudy

    • 19
    • 35

    Partly cloudy

    • 19
    • 34

    Partly cloudy

    • 20
    • 37

    Partly cloudy

    • 22
    • 40

    Partly cloudy

    • 23
    • 40

    Partly cloudy

    • 22
    • 40

    Partly cloudy

Today 22 Jan North West Slopes and Plains

Sunny morning. The chance of a thunderstorm in the afternoon and early evening. Winds northwest to northeasterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the middle of the day then tending southeast to southwesterly 20 to 30 km/h in the evening. Overnight temperatures falling to between 14 and 21 with daytime temperatures reaching 33 to 40.

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  • Temperature Forecast Bureau of Meteorology

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Grattai Mountain Temperature Statistics View More

January Temperature

Narrabri Airport (33km)

  • Lowest 6 January, 2026

    17.4 °C
  • Average January

    27.8 °C
  • Highest 11 January, 2026

    39.3 °C

Climate (2021–Present)

Narrabri Airport (33km)

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  • Average Low 2021–2026

    11.9 °C
  • Average 2021–2026

    18.9 °C
  • Average High 2021–2026

    26.6 °C
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