Grand Lake Rainfall Forecast

Today 24 Sep
55%
Fri 25 Sep
50%
Sat 26 Sep
20%
Sun 27 Sep
5%
Mon 28 Sep
65%
Tue 29 Sep
85%
Wed 30 Sep
45%

Grand Lake Rainfall Statistics

September Rainfall

Berthoud Pass (31.7 miles)

Total Rainfall 2026
10.5in
Daily Average 2026
0.04in
Wettest Day 6 March, 2026
1in
Wet Days 2026
68/267 (25%)
Total Rainfall August
1.5in
Daily Average August
0.05in
Wettest Day 31 August, 2026
0.3in
Wet Days August
12/31 (39%)
Total Rainfall September
1.3in
Daily Average September
0.1in
Wettest Day 5 September, 2026
0.4in
Wet Days September
8/24 (33%)

Climate (2021–2025)

Berthoud Pass (31.7 miles)

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Annual Average 2021–2025
10.4in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.04in
Wettest Day 6 March, 2026
1in

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