San Francisco Bay - Castro Point Rainfall Forecast

Today 26 Oct
No Rain
Tue 27 Oct
No Rain
Wed 28 Oct
No Rain
Thu 29 Oct
No Rain
Fri 30 Oct
5%
Sat 31 Oct
25%
Sun 1 Nov
5%

San Francisco Bay - Castro Point Rainfall Statistics

October Rainfall

Novato / Gnoss Field (16.2 miles)

Total Rainfall 2026
1.4 in
Daily Average 2026
0 in
Wettest Day 28 May, 2026
0.4 in
Wet Days 2026
21/299 (7%)
Total Rainfall September
0.2 in
Daily Average September
0.01 in
Wettest Day 29 September, 2026
0.2 in
Wet Days September
2/30 (7%)
Total Rainfall October
0.1 in
Daily Average October
0 in
Wettest Day 22 October, 2026
0.1 in
Wet Days October
2/26 (8%)

Climate (2021–2025)

Novato / Gnoss Field (16.2 miles)

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Annual Average 2021–2025
11 in
Monthly Average 2021–2026
0.9 in
Daily Average 2021–2026
0.03 in
Wettest Day 4 February, 2025
2.2 in

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