Richmond River Mouth Weather Forecast

    • 13
    • 27

    Mostly sunny

    • 16
    • 30

    Partly cloudy

    • 13
    • 22

    Partly cloudy

    • 13
    • 21

    Showers

    • 11
    • 22

    Shower or two

    • 13
    • 21

    Showers easing

    • 12
    • 21

    Shower or two

Today 5 Sep Northern Rivers

Sunny. The chance of smoke haze inland in the evening. Light winds becoming northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 30.

Byron Coastal Waters

Point Danger to Wooli
Wind
Northerly about 10 knots increasing to 15 to 20 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Cape Byron.
Weather
Mostly sunny.
Weather Situation
North to northwesterly winds over Coastal Waters ahead of a vigorous cold front crossing the waters late today into Sunday. Winds turning westerly in behind the front before tending southwesterly to southerly as a high pressure ridge begins to form over the NSW coast. The ridge will persist into the new week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Richmond River Mouth Temperature Statistics View More

September Temperature

Ballina Airport (5km)

  • Lowest 1 September, 2026

    10.9 °C

  • Average September

    18.3 °C

  • Highest 3 September, 2026

    30.7 °C

Climate (2021–2026)

Ballina Airport (5km)

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  • Average Low 2021–2026

    15.2 °C

  • Average 2021–2026

    19.7 °C

  • Average High 2021–2026

    24.7 °C
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