Grahamstown Lake Weather Forecast
- 21
- 32
Partly cloudy
- 18
- 31
Partly cloudy
- 19
- 25
Shower or two
- 17
- 23
Possible shower
- 15
- 24
Partly cloudy
- 15
- 26
Partly cloudy
- 14
- 29
Partly cloudy
Today 23 Dec Hunter
Mostly sunny. The chance of fog in the early morning. Slight chance of a shower along the coastal fringe, most likely in the early morning. Near zero chance of rain elsewhere. The chance of a thunderstorm about the Lower Hunter in the early morning. The chance of smoke haze in the late afternoon and evening. Light winds becoming west to southwesterly 15 to 25 km/h in the morning then shifting southeasterly 20 to 30 km/h in the late morning and afternoon. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching 30 to 37.
Grahamstown Lake Temperature Statistics View More
December Temperature
Williamtown RAAF Base (5km)
Lowest 2 December, 2025
11.3 °CAverage December
23.5 °CHighest 19 December, 2025
41 °C
Climate (2020–Present)
Williamtown RAAF Base (5km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.8 °C