Thurston Rainfall Forecast

Today 19 Sep
30%
Sun 20 Sep
60%
Mon 21 Sep
55%
Tue 22 Sep
40%
Wed 23 Sep
70%
Thu 24 Sep
55%
Fri 25 Sep
15%

Thurston Rainfall Statistics

September Rainfall

Lancaster, Fairfield County Airport (8.1 miles)

Total Rainfall 2026
34.6in
Daily Average 2026
0.1in
Wettest Day 20 August, 2026
3in
Wet Days 2026
90/262 (34%)
Total Rainfall August
9.5in
Daily Average August
0.3in
Wettest Day 20 August, 2026
3in
Wet Days August
16/31 (52%)
Total Rainfall September
3.7in
Daily Average September
0.2in
Wettest Day 5 September, 2026
1.8in
Wet Days September
7/19 (37%)

Climate (2021–2025)

Lancaster, Fairfield County Airport (8.1 miles)

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Annual Average 2021–2025
34.4in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 20 August, 2026
3in

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