Colma Creek - San Bruno Canal Entrance Rainfall Forecast

Today 15 May
No Rain
Sat 16 May
No Rain
Sun 17 May
No Rain
Mon 18 May
No Rain
Tue 19 May
No Rain
Wed 20 May
No Rain
Thu 21 May
No Rain

Colma Creek - San Bruno Canal Entrance Rainfall Statistics

May Rainfall

San Francisco, San Francisco International Airport (1.9 miles)

Total Rainfall 2026
10.5in
Daily Average 2026
0.1in
Wettest Day 4 January, 2026
1.3in
Wet Days 2026
29/135 (21%)
Total Rainfall April
3.1in
Daily Average April
0.1in
Wettest Day 11 April, 2026
1in
Wet Days April
8/30 (27%)
Total Rainfall May
0.1in
Daily Average May
0.01in
Wettest Day 5 May, 2026
0.1in
Wet Days May
3/15 (20%)

Climate (2010–Present)

San Francisco, San Francisco International Airport (1.9 miles)

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Annual Average 2021–2025
20.2in
Monthly Average 2021–2026
1.8in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
4in

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