Lake Forest Rainfall Forecast

Today 26 Aug
No Rain
Thu 27 Aug
35%
Fri 28 Aug
20%
Sat 29 Aug
No Rain
Sun 30 Aug
5%
Mon 31 Aug
15%
Tue 1 Sep
20%

Lake Forest Rainfall Statistics

August Rainfall

Portage County Airport (11.2 miles)

Total Rainfall 2026
50.8in
Daily Average 2026
0.2in
Wettest Day 21 July, 2026
2.9in
Wet Days 2026
74/238 (31%)
Total Rainfall July
8.9in
Daily Average July
0.3in
Wettest Day 21 July, 2026
2.9in
Wet Days July
9/31 (29%)
Total Rainfall August
12.7in
Daily Average August
0.5in
Wettest Day 22 August, 2026
2.7in
Wet Days August
12/26 (46%)

Climate (2021–2025)

Portage County Airport (11.2 miles)

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Annual Average 2021–2025
49.1in
Monthly Average 2021–2026
4.5in
Daily Average 2021–2026
0.2in
Wettest Day 10 July, 2025
3.7in

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