Number One Cove Weather Forecast

    • 15
    • 20

    Showers increasing

    • 12
    • 19

    Shower or two

    • 9
    • 22

    Partly cloudy

    • 10
    • 27

    Sunny

    • 12
    • 30

    Sunny

    • 14
    • 30

    Possible shower

    • 15
    • 23

    Showers

Today 27 Sep Hunter

Cloudy. Very high chance of showers about the Lower Hunter, medium chance elsewhere. The chance of a thunderstorm about the Upper Hunter during this afternoon and evening. Winds south to southeasterly 20 to 30 km/h. Daytime maximum temperatures between 17 and 22.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southerly 15 to 25 knots, shifting south to southeasterly 25 to 30 knots in the afternoon. Squalls possible with the wind change. Winds tending southeasterly and easing to 15 to 25 knots in the evening.
Seas
1.5 to 2 metres, decreasing below 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A cold front and trough will pass over the Tasman Sea bringing a southerly change northward along the NSW coast. A ridge of high pressure will build over the coastal waters in the wake of the southerly change, turning winds east to northeasterly over the coastal waters for the early days of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Number One Cove Temperature Statistics View More

September Temperature

Williamtown RAAF Base (20km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    17.5 °C

  • Highest 21 September, 2026

    35.4 °C

Climate (2021–2026)

Williamtown RAAF Base (20km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24 °C
Get WillyWeather+ to remove ads