Tumwater Rainfall Forecast
- 55%
- 100%
- 40%
- 35%
- 95%
- 90%
- 45%
Tumwater Rainfall Statistics
October Rainfall
Olympia, Olympia Airport (1.9 miles)
Total Rainfall October
2.4inDaily Average October
0.1inWettest Day 24 October, 2025
1.3inWet Days October
9/27 (33%)
Climate (2010–Present)
Olympia, Olympia Airport (1.9 miles)
Annual Average 2020–2024
50.9inMonthly Average 2020–2025
4inDaily Average 2020–2025
0.1inWettest Day 6 January, 2022
4in