As of 13:10 PDT

Rancho Cucamonga, CA weather in July

94°

Rancho Cucamonga, Sunday, 9 August, 13:10

Clear. Feels like 97°. High 95°, low 69°.

Pressure29.85 inHg

Wind7 mph W

Humidity38%

Visibility6.2 mi

Dew point63°

See detailed hourly forecast

In July, Rancho Cucamonga, CA averages a high of 90.3° and a low of 65.6°. About 0.1 inches of precipitation fall over the month (0 wet days). The record high is 111.7° (2018) and the record low 52.5° (1982). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	89.1°	63.1°	0%	105.6° (1985)	52.5° (1982)
2	88.9°	63.3°	0%	105.3° (1985)	53.8° (1963)
3	88.7°	63.7°	0%	106.7° (1985)	53.4° (1979)
4	88.9°	63.5°	0%	104.4° (1989)	53.6° (1979)
5	89.4°	64.2°	0%	104.4° (2024)	55.2° (1964)
6	89.6°	64.8°	2%	111.7° (2018)	55.2° (1979)
7	89.6°	64.8°	3%	108.3° (2018)	55.8° (1969)
8	89.4°	65.1°	3%	104.2° (2017)	54.7° (1969)
9	89.8°	65.1°	2%	100.8° (2024)	55° (2000)
10	89.8°	65.3°	0%	101.3° (2024)	55.9° (2000)
11	90.3°	65.1°	0%	102° (2020)	55.4° (1974)
12	90.3°	65.7°	2%	101.5° (1983)	56.8° (1963)
13	91°	65.5°	2%	104° (1983)	56.1° (1962)
14	91°	66.6°	2%	101.3° (2006)	56.3° (1966)
15	90.1°	66.4°	0%	101.8° (2006)	57.2° (1993)
16	90.1°	65.8°	0%	105.4° (1960)	56.1° (2011)
17	90°	65.1°	0%	104.5° (1960)	55.4° (2001)
18	90.3°	65.5°	2%	100.4° (2009)	55.4° (1987)
19	90.7°	66.2°	2%	100.2° (1990)	53.6° (1987)
20	90.1°	66°	3%	103.8° (1960)	56.1° (1991)
21	90.1°	66.2°	2%	101.5° (2006)	56.7° (1972)
22	90.1°	65.8°	3%	108.9° (2006)	52.7° (1987)
23	90.9°	66.2°	0%	104° (2006)	54.5° (1987)
24	91°	66.7°	0%	104.7° (2018)	58.8° (2001)
25	91.4°	66.6°	0%	105.3° (2018)	58.1° (1999)
26	91.6°	66.9°	3%	101.8° (2018)	57.2° (1965)
27	91.4°	66.9°	0%	103.8° (1995)	54.1° (1965)
28	91.4°	66.7°	2%	105.6° (1972)	58.5° (2002)
29	91.2°	66.7°	3%	105.4° (1995)	58.8° (1963)
30	91°	67.1°	2%	101.5° (1972)	57° (1997)
31	91.6°	67.1°	3%	103.1° (1972)	57.6° (1962)