As of 13:27 PDT

Foster City, CA weather in October

77°

Foster City, Sunday, 9 August, 13:27

Clear. Feels like 78°. High 82°, low 60°.

Pressure29.83 inHg

Wind7 mph N

Humidity62%

Visibility6.2 mi

Dew point64°

See detailed hourly forecast

In October, Foster City, CA averages a high of 70.6° and a low of 55.3°. About 1.0 inches of precipitation fall over the month (3 wet days). The record high is 97.9° (1987) and the record low 40.6° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	73.4°	57.4°	7%	96.4° (2020)	49.6° (2019)
2	73.4°	57°	8%	96.3° (1980)	48.4° (2019)
3	73°	56.5°	3%	97° (1980)	51.3° (2013)
4	72.9°	56.7°	8%	93.7° (1987)	48.7° (1981)
5	73.4°	56.5°	8%	97.9° (1987)	49.6° (2007)
6	73.6°	57.2°	7%	88.3° (1996)	50.5° (2006)
7	73.4°	57.2°	3%	94.5° (1996)	46.4° (1982)
8	73°	56.7°	2%	95.9° (1996)	49.5° (1982)
9	72.3°	56.1°	8%	87.4° (1991)	48.9° (1985)
10	70.9°	55.8°	10%	90.3° (1991)	49.6° (2008)
11	70.3°	55.6°	7%	82.8° (1990)	47.8° (1997)
12	72.5°	55.4°	7%	90° (2010)	47.5° (2008)
13	72.9°	56.3°	10%	92.5° (1978)	47.1° (2017)
14	72°	56.1°	15%	93.4° (1961)	49.8° (1968)
15	70.9°	55.4°	10%	94.8° (1961)	47.5° (1968)
16	71.2°	55.4°	10%	91.9° (2020)	46.4° (1971)
17	71.8°	55.9°	12%	89.8° (1974)	48.4° (1984)
18	70.3°	55°	7%	87.6° (1974)	46.2° (1984)
19	70.2°	55.4°	7%	87.8° (2023)	48.7° (2021)
20	69.3°	54.7°	10%	87.1° (1964)	45.3° (1996)
21	69.1°	54.1°	10%	87.1° (1964)	48° (1961)
22	68.7°	54.7°	12%	87.1° (1965)	47.3° (1961)
23	69.6°	54.5°	18%	92.1° (1965)	45.3° (1975)
24	69.4°	54.9°	12%	87.6° (1965)	45° (1971)
25	68.7°	54.9°	18%	87.3° (1965)	47.1° (1989)
26	68.4°	54°	10%	87.4° (2003)	45.7° (1970)
27	67.5°	53.4°	10%	86.7° (2003)	44.4° (1970)
28	66.6°	53.4°	15%	85.3° (2003)	43.7° (1971)
29	66.4°	52.5°	17%	80.8° (1965)	40.6° (1971)
30	65.7°	52.5°	17%	82.6° (1966)	43.5° (1971)
31	67.1°	52.9°	15%	82° (1966)	45.1° (1984)