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San Lorenzo, CA Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for San Lorenzo, Alameda County, California.

Updated Jul 29, 2026, 2:09 PM local time · Radar refreshes every 5 minutes

☀️
San Lorenzo
Clear
72°F
Feels like 75°F
Wind 10 mph
Humidity 66%
Cloud cover 8%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for San Lorenzo, CA.

San Lorenzo weather radar

Light Heavy

Next 24 hours

Now
☀️
72°F
 
3 PM
☀️
71°F
 
4 PM
☀️
70°F
 
5 PM
☀️
68°F
 
6 PM
☀️
66°F
 
7 PM
☀️
64°F
 
8 PM
☀️
62°F
 
9 PM
☀️
61°F
 
10 PM
☀️
60°F
 
11 PM
☀️
59°F
 
12 AM
☀️
58°F
 
1 AM
☀️
57°F
 
2 AM
☀️
57°F
 
3 AM
☀️
56°F
 
4 AM
☀️
55°F
 
5 AM
☀️
55°F
 
6 AM
☀️
55°F
 
7 AM
☀️
56°F
 
8 AM
☀️
61°F
 
9 AM
☀️
64°F
 
10 AM
☀️
66°F
 
11 AM
☀️
69°F
 
12 PM
☀️
71°F
 
1 PM
☀️
72°F
 

7-day forecast

Today
Jul 29
🌫️
72°F
59°F
Thu
Jul 30
☀️
73°F
55°F
Fri
Jul 31
☀️
79°F
53°F
3%
Sat
Aug 1
☁️
81°F
61°F
Sun
Aug 2
☀️
80°F
61°F
Mon
Aug 3
☀️
82°F
62°F
Tue
Aug 4
☀️
85°F
63°F

Weather near San Lorenzo

2 mi Ashland, CA3 mi Hayward, CA3 mi Castro Valley, CA4 mi San Leandro, CA8 mi Union City, CA10 mi Alameda, CA11 mi San Ramon, CA11 mi Dublin, CA
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.