Grape Mountain Rainfall Forecast

Today 10 Apr
25%
Sat 11 Apr
90%
Sun 12 Apr
95%
Mon 13 Apr
70%
Tue 14 Apr
20%
Wed 15 Apr
45%
Thu 16 Apr
35%

Grape Mountain Rainfall Statistics

April Rainfall

Boise Air Terminal (23.6 miles)

Total Rainfall 2026
3.1in
Daily Average 2026
0.03in
Wettest Day 4 March, 2026
0.6in
Wet Days 2026
25/100 (25%)
Total Rainfall March
0.8in
Daily Average March
0.03in
Wettest Day 4 March, 2026
0.6in
Wet Days March
6/31 (19%)
Total Rainfall April
0.4in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.3in
Wet Days April
2/10 (20%)

Climate (2010–Present)

Boise Air Terminal (23.6 miles)

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Annual Average 2021–2025
13in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 26 August, 2023
1.5in

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