Merriwa Weather Forecast

    • 1
    • 16

    Shower

    • 5
    • 16

    Shower

    • 8
    • 17

    Cloudy

    • 6
    • 16

    Shower

    • 3
    • 18

    Sunny

    • 0
    • 18

    Sunny

    • 2
    • 18

    Partly cloudy

Today 9 Aug Hunter

Cloudy. Patchy morning fog. High chance of showers, most likely during this afternoon and evening. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then tending north to northeasterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures between 14 and 19.

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Merriwa Temperature Statistics View More

August Temperature

Merriwa (Roscommon) (17km)

  • Lowest 7 August, 2026

    -2.6 °C

  • Average August

    7.6 °C

  • Highest 3 August, 2026

    19.5 °C

Climate (2021–2026)

Merriwa (Roscommon) (17km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    16 °C

  • Average High 2021–2026

    24.1 °C
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