As of 07:59 PDT

Tustin, CA weather in October

73°

Tustin, Sunday, 9 August, 07:59

Mostly clear. Feels like 74°. High 96°, low 72°.

Pressure29.88 inHg

Wind3 mph SE

Humidity82%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In October, Tustin, CA averages a high of 76.7° and a low of 59.2°. About 0.6 inches of precipitation fall over the month (2 wet days). The record high is 104.5° (2017) and the record low 40.1° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	79.5°	62.4°	7%	99.5° (2020)	54° (1971)
2	78.6°	61.7°	8%	95.4° (2020)	52.9° (1971)
3	78.1°	61.9°	7%	95.9° (1987)	53.8° (1971)
4	78.1°	61.5°	10%	98.4° (1987)	52.9° (2019)
5	78.4°	61°	7%	96.3° (1971)	54.1° (2019)
6	78.6°	60.8°	3%	98.4° (1971)	53.4° (2019)
7	79°	60.6°	5%	92.7° (1996)	54.7° (2011)
8	78.6°	60.3°	3%	91.9° (1976)	53.2° (1970)
9	78.1°	60.3°	5%	95.7° (1988)	53.8° (1961)
10	77.5°	60.1°	8%	99.5° (1991)	49.1° (2013)
11	76.5°	60.4°	13%	93.4° (2015)	55.2° (2007)
12	76.8°	59.5°	3%	92.1° (2020)	50.4° (2008)
13	76.8°	59.2°	8%	95.4° (2020)	47.7° (2021)
14	76.8°	59.7°	8%	100.4° (1961)	50.2° (2021)
15	76.8°	59.5°	2%	98.2° (1961)	50.7° (1966)
16	77°	59°	8%	95.9° (2017)	49.8° (2018)
17	76.8°	59°	10%	94.3° (1967)	47.3° (1971)
18	76.5°	59°	8%	89.6° (1967)	50.7° (1980)
19	76.8°	58.5°	10%	94.1° (1964)	48.7° (1971)
20	75.7°	58.8°	7%	92.8° (1965)	48.4° (2021)
21	75.2°	58.3°	7%	95.9° (1965)	49.3° (2021)
22	75.9°	58.3°	7%	97.2° (1965)	51.1° (1996)
23	76.8°	58.5°	13%	102.7° (2017)	49.6° (1996)
24	76.5°	58.8°	7%	104.5° (2017)	51.6° (2022)
25	75.6°	58.8°	3%	98.6° (2017)	46.8° (1971)
26	75.2°	57.4°	5%	90.7° (1993)	49.6° (2021)
27	74.7°	57.4°	7%	90.5° (1973)	51.1° (1989)
28	74.3°	56.5°	10%	91.6° (2021)	48.7° (1970)
29	73.9°	55.9°	8%	94.5° (2025)	43.3° (1971)
30	73.6°	56.1°	15%	91.8° (1962)	40.1° (1971)
31	73.8°	55.4°	10%	88.3° (2023)	43.7° (1971)