Merriwa Weather Forecast

    • 17
    • 41

    Partly cloudy

    • 20
    • 37

    Partly cloudy

    • 16
    • 34

    Partly cloudy

    • 14
    • 39

    Partly cloudy

    • 16
    • 35

    Partly cloudy

    • 16
    • 36

    Partly cloudy

    • 17
    • 39

    Partly cloudy

Today 25 Jan Hunter

Mostly sunny. Patchy fog in the early morning. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming southeast to southwesterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures 36 to 41.

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Merriwa Temperature Statistics View More

January Temperature

Merriwa (Roscommon) (17km)

  • Lowest 21 January, 2026

    11 °C

  • Average January

    22.4 °C

  • Highest 8 January, 2026

    37.5 °C

Climate (2021–Present)

Merriwa (Roscommon) (17km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    23.8 °C
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