Boulder Rainfall Forecast

Today 3 May
10%
Mon 4 May
55%
Tue 5 May
100%
Wed 6 May
75%
Thu 7 May
10%
Fri 8 May
20%
Sat 9 May
30%

Boulder Rainfall Statistics

May Rainfall

Salem, Salem-Leckrone Airport (14.3 miles)

Total Rainfall 2026
10.2in
Daily Average 2026
0.1in
Wettest Day 4 March, 2026
1.8in
Wet Days 2026
22/123 (18%)
Total Rainfall April
3.4in
Daily Average April
0.2in
Wettest Day 16 April, 2026
1in
Wet Days April
6/30 (20%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 4 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Salem, Salem-Leckrone Airport (14.3 miles)

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Annual Average 2021–2025
45.7in
Monthly Average 2021–2026
3.9in
Daily Average 2021–2026
0.1in
Wettest Day 4 April, 2025
7.2in

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