Glen Allyn Rainfall Forecast

Today 12 Sep
60%1–5mm
Sat 13 Sep
70%1–5mm
Sun 14 Sep
75%5–10mm
Mon 15 Sep
80%5–15mm
Tue 16 Sep
65%1–5mm
Wed 17 Sep
50%1–5mm
Thu 18 Sep
60%1–5mm

Glen Allyn Rainfall Statistics View More

September Rainfall

Walkamin Research Station (42km)

Total Rainfall 2025
823.5mm
Daily Average 2025
3.3mm
Wettest Day 2 April, 2025
57.5mm
Wet Days 2025
96/255 (38%)
Total Rainfall August
24.3mm
Daily Average August
0.8mm
Wettest Day 1 August, 2025
20mm
Wet Days August
7/31 (23%)
Total Rainfall September
0.6mm
Daily Average September
0.1mm
Wettest Day 9 September, 2025
0.6mm
Wet Days September
1/12 (8%)

Climate (2010–Present)

Walkamin Research Station (42km)

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Annual Average 2020–2024
1395.3mm
Monthly Average 2020–2025
116.6mm
Daily Average 2020–2025
3.8mm
Wettest Day 17 December, 2023
178.4mm

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