Farallon Islands Rainfall Forecast

Today 22 Oct
10%
Thu 23 Oct
No Rain
Fri 24 Oct
30%
Sat 25 Oct
45%
Sun 26 Oct
35%
Mon 27 Oct
20%
Tue 28 Oct
No Rain

Farallon Islands Rainfall Statistics

October Rainfall

Half Moon Bay Airport (30.4 miles)

Total Rainfall 2025
7.9in
Daily Average 2025
0.03in
Wettest Day 13 February, 2025
1.1in
Wet Days 2025
45/295 (15%)
Total Rainfall September
0.05in
Daily Average September
0in
Wettest Day 10 September, 2025
0.01in
Wet Days September
4/30 (13%)
Total Rainfall October
1.3in
Daily Average October
0.1in
Wettest Day 13 October, 2025
1in
Wet Days October
2/22 (9%)

Climate (2010–Present)

Half Moon Bay Airport (30.4 miles)

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Annual Average 2020–2024
19.1in
Monthly Average 2020–2025
1.7in
Daily Average 2020–2025
0.1in
Wettest Day 24 October, 2021
3.5in

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