Glen Allyn Weather Forecast
- 12
- 19
Shower or two
- 12
- 20
Partly cloudy
- 12
- 21
Partly cloudy
- 12
- 21
Cloudy
- 13
- 22
Partly cloudy
- 13
- 24
Partly cloudy
- 12
- 24
Mostly sunny
Today 4 Aug North Tropical Coast and Tablelands
Partly cloudy. Medium chance of showers near the coast, slight chance elsewhere. Winds east to southeasterly 20 to 30 km/h. Overnight temperatures falling to between 10 and 17 with daytime temperatures reaching 20 to 26.
Glen Allyn Temperature Statistics View More
August Temperature
Walkamin Research Station (36km)
Lowest 1 August, 2026
12.5 °CAverage August
17.7 °CHighest 1 August, 2026
22 °C
Climate (2021–2026)
Walkamin Research Station (36km)
Average Low 2021–2026
17.7 °CAverage 2021–2026
22.9 °CAverage High 2021–2026
27.9 °C