As of 18:05 PDT

El Cajon, CA weather in August

86°

El Cajon, Saturday, 8 August, 18:05

Clear. Feels like 88°. High 95°, low 70°.

Pressure29.83 inHg

Wind6 mph E

Humidity50%

Visibility6.2 mi

Dew point64°

See detailed hourly forecast

In August, El Cajon, CA averages a high of 82.9° and a low of 65.2°. About 0.1 inches of precipitation fall over the month (1 wet days). The record high is 103.1° (2017) and the record low 54.1° (1968). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.8°	64.9°	0%	94.3° (1972)	57.2° (2013)
2	83.1°	65.3°	3%	96.1° (2021)	58.8° (1976)
3	82.8°	65.1°	3%	94.1° (2021)	56.8° (1976)
4	82.9°	64.6°	0%	93.7° (2024)	58.3° (1991)
5	83.3°	64.8°	0%	94.8° (1997)	57.2° (1991)
6	83.1°	65.3°	0%	95.7° (2018)	57.9° (1991)
7	82.9°	65.3°	2%	98.4° (2025)	57.2° (1999)
8	82.8°	64.9°	5%	93° (2018)	57.2° (1999)
9	82.8°	65.3°	2%	96.1° (2018)	57.9° (1999)
10	82.4°	65.5°	0%	93.7° (2022)	58.3° (2010)
11	82.8°	65.5°	2%	94.5° (2022)	57.4° (2010)
12	82.8°	65.3°	2%	93.4° (1991)	57.7° (2010)
13	82.9°	65.1°	2%	99.1° (2020)	58.5° (1974)
14	82.2°	64.9°	0%	97.9° (2020)	57.4° (1974)
15	82°	65.1°	0%	93.9° (2020)	58.8° (1974)
16	82.6°	64.9°	3%	96.4° (2023)	57.6° (1987)
17	82.4°	65.1°	5%	98.1° (2020)	56.3° (2019)
18	81.7°	65.1°	8%	99.1° (2020)	58.5° (1968)
19	81.3°	64.6°	3%	93° (1986)	58.6° (1975)
20	81.9°	64.4°	5%	98.1° (2024)	58.3° (1980)
21	81.9°	64.4°	5%	94.1° (2025)	58.3° (1975)
22	82.2°	64.6°	0%	94.8° (2025)	54.1° (1968)
23	82.6°	64.4°	2%	91.4° (2025)	57.7° (1968)
24	82.9°	65.1°	3%	91.8° (1985)	59° (1978)
25	83.3°	65.5°	7%	95.7° (1985)	58.8° (1987)
26	84°	65.5°	3%	98.4° (2021)	58.5° (1987)
27	84.7°	65.8°	0%	98.1° (2020)	58.1° (1973)
28	84.7°	65.8°	2%	99.5° (2023)	57° (1973)
29	85.1°	66.6°	3%	99.1° (2023)	57.7° (2010)
30	84°	66.6°	3%	97.2° (2017)	58.6° (2010)
31	83.5°	65.5°	0%	103.1° (2017)	57.9° (1964)