As of 03:05 PDT

San Bruno, CA weather in May

56°

San Bruno, Sunday, 9 August, 03:05

Partly cloudy. Feels like 56°. High 86°, low 56°.

Pressure29.83 inHg

Wind2 mph W

Humidity85%

Visibility6.2 mi

Dew point53°

See detailed hourly forecast

In May, San Bruno, CA averages a high of 63.4° and a low of 50.7°. About 0.6 inches of precipitation fall over the month (3 wet days). The record high is 90° (2008) and the record low 41.2° (1964). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	63.1°	49.6°	15%	76.6° (2014)	44.6° (1988)
2	63.1°	50°	12%	80.8° (2013)	44.6° (1964)
3	62.1°	50.4°	15%	74.5° (2017)	45.5° (1971)
4	61.7°	49.8°	12%	78.1° (1990)	41.2° (1964)
5	62.1°	49.8°	13%	79.3° (1987)	44.4° (1975)
6	62.4°	49.8°	10%	76.8° (1987)	43° (1964)
7	63°	50°	10%	80.4° (1987)	44.6° (1977)
8	62.8°	50°	8%	75° (2001)	45.1° (1999)
9	62.1°	49.8°	12%	80.6° (1993)	45.3° (1983)
10	62.2°	49.6°	5%	75.7° (2024)	45° (2003)
11	63°	49.8°	7%	76.5° (1996)	45° (2010)
12	63.5°	50°	8%	85.8° (1976)	45.1° (1961)
13	63.5°	50.2°	7%	79.2° (2014)	45.5° (1999)
14	63.3°	50.9°	7%	79.7° (2014)	44.8° (1968)
15	63.9°	51.1°	13%	90° (2008)	44.1° (1964)
16	63.5°	50.9°	10%	84.2° (1997)	45.5° (1999)
17	63.7°	51.1°	13%	87.4° (1997)	45.3° (1974)
18	63.5°	50.9°	10%	79.2° (1997)	44.6° (1974)
19	63.9°	51.1°	8%	78.3° (1983)	45.1° (1991)
20	63.5°	50.9°	5%	80.4° (1988)	46.6° (1962)
21	63.7°	50.9°	7%	78.8° (2001)	46.6° (1964)
22	64°	50.7°	2%	75.7° (2000)	45.5° (1960)
23	63.5°	51.3°	7%	77.2° (1982)	45.1° (2010)
24	63.9°	51.3°	2%	85.1° (1982)	45.9° (1977)
25	63.7°	51.4°	10%	79° (2022)	46.6° (1980)
26	63°	51.4°	10%	78.4° (1974)	47.5° (1980)
27	63.3°	51.6°	8%	84.9° (1984)	47.5° (1964)
28	64°	51.6°	10%	85.1° (1975)	47.3° (2010)
29	64.9°	51.6°	2%	87.3° (1975)	46.4° (2011)
30	65.5°	52°	3%	85.8° (2001)	47.5° (1971)
31	65.7°	52.2°	5%	81.9° (1970)	46.8° (1971)