Issaquah Rainfall Forecast
- 5%
- No Rain
- No Rain
- 70%
- 45%
- 15%
- 30%
Issaquah Rainfall Statistics
September Rainfall
Renton Municipal Airport (8.7 miles)
Total Rainfall September
0.01inDaily Average September
0inWettest Day 7 September, 2025
0.01inWet Days September
1/17 (6%)
Climate (2010–Present)
Renton Municipal Airport (8.7 miles)
Annual Average 2020–2024
17.3inMonthly Average 2020–2025
1.4inDaily Average 2020–2025
0.05inWettest Day 28 October, 2021
1.5in