Niwot Rainfall Forecast

Today 21 Sep
25%
Tue 22 Sep
15%
Wed 23 Sep
20%
Thu 24 Sep
25%
Fri 25 Sep
20%
Sat 26 Sep
10%
Sun 27 Sep
20%

Niwot Rainfall Statistics

September Rainfall

Vance Brand Airport (3.7 miles)

Total Rainfall 2026
8.6in
Daily Average 2026
0.03in
Wettest Day 21 July, 2026
1.2in
Wet Days 2026
45/264 (17%)
Total Rainfall August
0.7in
Daily Average August
0.02in
Wettest Day 23 August, 2026
0.2in
Wet Days August
8/31 (26%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 6 September, 2026
0.02in
Wet Days September
5/21 (24%)

Climate (2021–2025)

Vance Brand Airport (3.7 miles)

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Annual Average 2021–2025
11.8in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.04in
Wettest Day 29 March, 2025
2in

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