Glen Allyn Rainfall Forecast
- 95%20–70mm
- 85%10–25mm
- 85%10–25mm
- 70%1–5mm
- 25%< 1mm
- 40%< 1mm
- 55%1–5mm
Glen Allyn Rainfall Statistics View More
September Rainfall
Walkamin Research Station (36km)
Total Rainfall September
3mmDaily Average September
0.2mmWettest Day 14 September, 2025
2.4mmWet Days September
2/16 (13%)
Climate (2010–Present)
Walkamin Research Station (36km)
Annual Average 2020–2024
1395.3mmMonthly Average 2020–2025
116.6mmDaily Average 2020–2025
3.8mmWettest Day 17 December, 2023
178.4mm