Cape Thomas Weather Forecast

    • 11
    • 15

    Possible shower

    • 9
    • 17

    Showers. Possible afternoon storm

    • 13
    • 16

    Showers. Windy

    • 11
    • 15

    Showers. Wind easing

    • 10
    • 15

    Showers

    • 11
    • 17

    Showers

    • 12
    • 17

    Shower or two

Today 31 May Lower South East

Partly cloudy. Medium chance of showers, becoming less likely this afternoon. Winds west to southwesterly 20 to 30 km/h becoming light in the late afternoon. Daytime maximum temperatures around 15.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots south of Beachport during the morning. Winds turning west to northwesterly below 10 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 metre by early evening.
1st Swell
Westerly 3 metres, tending southwesterly 3 to 4 metres during the morning.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A weak high pressure system moves across from the west today. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A another low pressure moves over waters to the southeast on Wednesday. A high pressure system follows the low moving across northern parts of SA later in the week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

May Temperature

Robe (10km)

  • Lowest 18 May, 2026

    7.9 °C
  • Average May

    15.4 °C
  • Highest 1 May, 2026

    23.2 °C

Climate (2021–Present)

Robe (10km)

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  • Average Low 2021–2026

    11.3 °C
  • Average 2021–2026

    15.9 °C
  • Average High 2021–2026

    18.5 °C
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