Blenheim Beach Weather Forecast
- 17
- 21
Heavy rain
- 17
- 22
Showers. Windy
- 16
- 22
Showers. Windy
- 14
- 23
Shower or two
- 13
- 25
Partly cloudy
- 13
- 26
Partly cloudy
- 15
- 25
Possible shower
Today 29 Mar Illawarra
Cloudy. Very high chance of rain. The chance of a thunderstorm with possible heavy falls. Damaging winds possible. Winds southerly 20 to 30 km/h increasing to 25 to 35 km/h in the evening. Daytime maximum temperatures between 17 and 21.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeast to southeasterly 20 to 30 knots tending southeast to southwesterly in the early afternoon. Winds reaching up to 35 knots in the evening.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- East to northeasterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Port Kembla by early evening.
- Weather
- Cloudy. 95% chance of rain. Rain and showers heavy at times. The chance of a thunderstorm.
- Weather Situation
- A high pressure system over the southern Tasman Sea and a trough over the inland will cause northeasterly winds to increase today as the trough moves east. Later today and during Sunday a low pressure system within the trough is forecast to deepen over the southern and central coast, bringing vigorous south to southeasterly winds and large waves. This system is expected to gradually move southeast early next week.
Blenheim Beach Temperature Statistics View More
March Temperature
Point Perpendicular (10km)
Lowest 17 March, 2025
14.4 °CAverage March
21.7 °CHighest 16 March, 2025
34.4 °C
Climate (2020–Present)
Point Perpendicular (10km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.3 °CAverage High 2020–2025
20.7 °C