Glen Allyn Weather Forecast
- 10
- 20
Mostly sunny
- 10
- 20
Partly cloudy
- 13
- 21
Mostly sunny
- 11
- 22
Mostly sunny
- 13
- 20
Shower or two
- 14
- 21
Possible shower
- 14
- 22
Partly cloudy
Today 17 Jul North Tropical Coast and Tablelands
Mostly sunny. Winds east to southeasterly 20 to 30 km/h. Daytime maximum temperatures 20 to 25.
Glen Allyn Temperature Statistics View More
July Temperature
Walkamin Research Station (36km)
Lowest 13 July, 2026
13 °CAverage July
18.6 °CHighest 11 July, 2026
25.2 °C
Climate (2021–2026)
Walkamin Research Station (36km)
Average Low 2021–2026
17.7 °CAverage 2021–2026
22.9 °CAverage High 2021–2026
28 °C