Sullivan Lake State Airport Rainfall Forecast

Today 9 Sep
25%
Thu 10 Sep
5%
Fri 11 Sep
5%
Sat 12 Sep
35%
Sun 13 Sep
35%
Mon 14 Sep
5%
Tue 15 Sep
25%

Sullivan Lake State Airport Rainfall Statistics

September Rainfall

Boundary County Airport (45.4 miles)

Total Rainfall 2026
8.2in
Daily Average 2026
0.03in
Wettest Day 4 January, 2026
0.6in
Wet Days 2026
67/252 (27%)
Total Rainfall August
0.5in
Daily Average August
0.01in
Wettest Day 13 August, 2026
0.4in
Wet Days August
4/31 (13%)
Total Rainfall September
1.1in
Daily Average September
0.2in
Wettest Day 6 September, 2026
0.5in
Wet Days September
5/9 (56%)

Climate (2021–2025)

Boundary County Airport (45.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2021–2025
12.9in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 22 July, 2025
1.9in

Get WillyWeather+ to remove ads