Lake Sacajawea Rainfall Forecast
- 10%
- 65%
- 5%
- No Rain
- 5%
- 5%
- 15%
Lake Sacajawea Rainfall Statistics
September Rainfall
Tri-Cities Airport (18.6 miles)
Total Rainfall September
0.1inDaily Average September
0.01inWettest Day 6 September, 2025
0.1inWet Days September
2/13 (15%)
Climate (2010–Present)
Tri-Cities Airport (18.6 miles)
Annual Average 2020–2024
6.6inMonthly Average 2020–2025
0.6inDaily Average 2020–2025
0.02inWettest Day 17 May, 2025
0.7in