Sunnyvale Rainfall Forecast

Today 18 Apr
No Rain
Sun 19 Apr
5%
Mon 20 Apr
80%
Tue 21 Apr
90%
Wed 22 Apr
30%
Thu 23 Apr
5%
Fri 24 Apr
No Rain

Sunnyvale Rainfall Statistics

April Rainfall

San Jose, San Jose International Airport (6.2 miles)

Total Rainfall 2026
6.2in
Daily Average 2026
0.1in
Wettest Day 4 January, 2026
1.1in
Wet Days 2026
22/108 (20%)
Total Rainfall March
0.02in
Daily Average March
0in
Wettest Day 31 March, 2026
0.02in
Wet Days March
1/31 (3%)
Total Rainfall April
0.8in
Daily Average April
0.1in
Wettest Day 11 April, 2026
0.4in
Wet Days April
6/18 (33%)

Climate (2010–Present)

San Jose, San Jose International Airport (6.2 miles)

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Annual Average 2021–2025
12.3in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 10 November, 2025
2.6in

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