Guilderton Weather Forecast
- 10
- 20
Shower
- 12
- 21
Shower
- 11
- 20
Shower
- 11
- 19
Shower
- 9
- 20
Partly cloudy
- 9
- 23
Sunny
- 12
- 24
Sunny
Today 27 Sep Lower West
Partly cloudy. High chance of showers, most likely during the morning and afternoon. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Winds southeasterly 15 to 20 km/h becoming light before dawn then becoming west to northwesterly 15 to 20 km/h in the early afternoon. Daytime maximum temperatures between 19 and 22.
Lancelin Coastal Waters
Jurien Bay to Two Rocks- Wind
- Southeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds turning south to southwesterly below 10 knots in the morning then becoming west to southwesterly in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- South to southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm in the morning and early afternoon.
- Weather Situation
- An inland trough and low will move west on the weekend across southern and central WA, moving close to the west coast today. A high will develop south of the Bight on the weekend and move east for the following few days. On Monday the low will slip south of the state and the trough will move over south east parts. A cold front will approach on Tuesday and move through during Wednesday.
Guilderton Temperature Statistics View More
September Temperature
Gingin Airport (36km)
Lowest 2 September, 2026
4.4 °CAverage September
15.7 °CHighest 17 September, 2026
31.1 °C
Climate (2021–2026)
Gingin Airport (36km)
Average Low 2021–2026
11.4 °CAverage 2021–2026
18.3 °CAverage High 2021–2026
26.2 °C