Olympia Rainfall Forecast

Today 13 Sep
65%
Sun 14 Sep
80%
Mon 15 Sep
10%
Tue 16 Sep
5%
Wed 17 Sep
35%
Thu 18 Sep
15%
Fri 19 Sep
15%

Olympia Rainfall Statistics

September Rainfall

Olympia, Olympia Airport (5 miles)

Total Rainfall 2025
19.1in
Daily Average 2025
0.1in
Wettest Day 15 March, 2025
1.2in
Wet Days 2025
86/256 (34%)
Total Rainfall August
1.1in
Daily Average August
0.04in
Wettest Day 15 August, 2025
0.8in
Wet Days August
6/31 (19%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 7 September, 2025
0.04in
Wet Days September
2/13 (15%)

Climate (2010–Present)

Olympia, Olympia Airport (5 miles)

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Annual Average 2020–2024
50.9in
Monthly Average 2020–2025
4.1in
Daily Average 2020–2025
0.1in
Wettest Day 6 January, 2022
4in

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