Armstrong Slough Rainfall Forecast

Today 7 Sep
45%
Tue 8 Sep
65%
Wed 9 Sep
5%
Thu 10 Sep
No Rain
Fri 11 Sep
15%
Sat 12 Sep
20%
Sun 13 Sep
35%

Armstrong Slough Rainfall Statistics

September Rainfall

Tracy, Tracy Municipal Airport (9.3 miles)

Total Rainfall 2026
0.9in
Daily Average 2026
0in
Wettest Day 22 May, 2026
0.3in
Wet Days 2026
17/250 (7%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 29 August, 2026
0.1in
Wet Days August
3/31 (10%)
Total Rainfall September
0.01in
Daily Average September
0in
Wettest Day 1 September, 2026
0.01in
Wet Days September
1/7 (14%)

Climate (2021–2025)

Tracy, Tracy Municipal Airport (9.3 miles)

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Annual Average 2021–2025
18.8in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 13 May, 2023
5.2in

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