Winchester Lake Rainfall Forecast

Today 21 Jun
75%
Sun 22 Jun
65%
Mon 23 Jun
5%
Tue 24 Jun
No Rain
Wed 25 Jun
5%
Thu 26 Jun
15%
Fri 27 Jun
15%

Winchester Lake Rainfall Statistics

June Rainfall

Grangeville - Idaho County Airport (30.4 miles)

Total Rainfall 2025
7.2in
Daily Average 2025
0.04in
Wettest Day 4 February, 2025
0.7in
Wet Days 2025
44/172 (26%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 11 May, 2025
0.5in
Wet Days May
9/31 (29%)
Total Rainfall June
0.1in
Daily Average June
0.01in
Wettest Day 11 June, 2025
0.1in
Wet Days June
1/21 (5%)

Climate (2011–Present)

Grangeville - Idaho County Airport (30.4 miles)

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Annual Average 2020–2024
17.2in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 5 May, 2023
3.2in

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