Johnson Lake Rainfall Forecast

Today 27 Sep
20%
Mon 28 Sep
20%
Tue 29 Sep
80%
Wed 30 Sep
35%
Thu 1 Oct
20%
Fri 2 Oct
5%
Sat 3 Oct
5%

Johnson Lake Rainfall Statistics

September Rainfall

Brookings, Brookings Municipal Airport (13.7 miles)

Total Rainfall 2026
11.2in
Daily Average 2026
0.04in
Wettest Day 29 August, 2026
1.5in
Wet Days 2026
61/270 (23%)
Total Rainfall August
2.5in
Daily Average August
0.1in
Wettest Day 29 August, 2026
1.5in
Wet Days August
9/31 (29%)
Total Rainfall September
2.8in
Daily Average September
0.1in
Wettest Day 18 September, 2026
0.8in
Wet Days September
13/27 (48%)

Climate (2021–2025)

Brookings, Brookings Municipal Airport (13.7 miles)

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Annual Average 2021–2025
16.3in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 31 July, 2024
3.6in

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