Glen Allyn Weather Forecast
- 12
- 27
Mostly clear
- 13
- 24
Partly cloudy
- 13
- 21
Partly cloudy
- 10
- 20
Partly cloudy
- 12
- 19
Shower or two
- 12
- 20
Shower or two
- 12
- 21
Possible shower
Today 12 Aug North Tropical Coast and Tablelands
Mostly clear. Winds northeast to southeasterly 15 to 20 km/h becoming light in the evening.
Glen Allyn Temperature Statistics View More
August Temperature
Walkamin Research Station (36km)
Lowest 10 August, 2026
11.3 °CAverage August
19 °CHighest 10 August, 2026
30.8 °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