Keystone Rainfall Forecast

Today 4 Jul
45%
Sun 5 Jul
No Rain
Mon 6 Jul
40%
Tue 7 Jul
60%
Wed 8 Jul
70%
Thu 9 Jul
55%
Fri 10 Jul
30%

Keystone Rainfall Statistics

July Rainfall

Custer, Custer County Airport (14.9 miles)

Total Rainfall 2026
6.8in
Daily Average 2026
0.04in
Wettest Day 30 May, 2026
2in
Wet Days 2026
43/185 (23%)
Total Rainfall June
1.4in
Daily Average June
0.05in
Wettest Day 21 June, 2026
0.6in
Wet Days June
10/30 (33%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2026
0in
Wet Days July
–

Climate (2021–2025)

Custer, Custer County Airport (14.9 miles)

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Annual Average 2021–2025
18.1in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 12 October, 2023
2in

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