Arlington Heights Rainfall Forecast

Today 10 Sep
No Rain
Fri 11 Sep
5%
Sat 12 Sep
75%
Sun 13 Sep
25%
Mon 14 Sep
No Rain
Tue 15 Sep
No Rain
Wed 16 Sep
No Rain

Arlington Heights Rainfall Statistics

September Rainfall

Portland, Portland International Airport (6.8 miles)

Total Rainfall 2026
17.9in
Daily Average 2026
0.1in
Wettest Day 12 March, 2026
1.7in
Wet Days 2026
73/253 (29%)
Total Rainfall August
0.04in
Daily Average August
0in
Wettest Day 29 August, 2026
0.04in
Wet Days August
1/31 (3%)
Total Rainfall September
0.7in
Daily Average September
0.1in
Wettest Day 2 September, 2026
0.3in
Wet Days September
4/10 (40%)

Climate (2021–2025)

Portland, Portland International Airport (6.8 miles)

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Annual Average 2021–2025
37.4in
Monthly Average 2021–2026
3.2in
Daily Average 2021–2026
0.1in
Wettest Day 26 December, 2022
2.1in

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