As of 12:02 PDT

Rancho Cucamonga, CA weather in January

93°

Rancho Cucamonga, Sunday, 9 August, 12:02

Clear. Feels like 94°. High 95°, low 69°.

Pressure29.88 inHg

Wind10 mph SE

Humidity37%

Visibility6.2 mi

Dew point61°

See detailed hourly forecast

In January, Rancho Cucamonga, CA averages a high of 61.5° and a low of 42°. About 3.9 inches of precipitation fall over the month (7 wet days). The record high is 85.8° (2003) and the record low 24.4° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	59.7°	39.7°	13%	78.8° (1964)	28.6° (2015)
2	60.1°	40.5°	22%	79.3° (2012)	27.1° (1960)
3	59.7°	40.6°	25%	80.1° (2012)	27.3° (1960)
4	59.4°	40.8°	23%	81.9° (2012)	26.2° (1972)
5	60.1°	41.5°	33%	79.9° (2012)	27.3° (1971)
6	60.4°	41.7°	27%	76.5° (1969)	28.8° (1971)
7	60.8°	41.7°	25%	77° (2015)	27.5° (1971)
8	61.3°	41.4°	17%	75.6° (1962)	28.4° (1989)
9	60.8°	42.6°	27%	79° (1990)	30.6° (1989)
10	61.7°	42.3°	23%	78.6° (1990)	32.4° (1977)
11	62.1°	42.4°	17%	75.6° (1986)	30.2° (1962)
12	61.9°	41.9°	17%	76.8° (1996)	29.3° (2013)
13	63.5°	42.3°	17%	76.5° (2018)	24.4° (1963)
14	63.5°	43°	18%	81.1° (2021)	27° (2007)
15	62.8°	43.5°	20%	83.5° (2021)	28.9° (2007)
16	61.9°	43.7°	30%	80.8° (2021)	28.2° (1960)
17	62.6°	43.2°	22%	82° (1976)	27.5° (1960)
18	63.5°	42.3°	15%	79.7° (2014)	30.4° (1987)
19	62.2°	43.2°	25%	79.3° (1971)	31.1° (1960)
20	61.5°	42.4°	22%	78.4° (2014)	29.7° (1988)
21	61°	42.1°	27%	76.3° (2014)	29.8° (1966)
22	61.2°	41.4°	17%	76.6° (2014)	29.1° (1982)
23	61.5°	41.9°	20%	75.2° (2013)	29.7° (1996)
24	62.2°	42.3°	18%	76.1° (1975)	29.7° (1962)
25	62.2°	42.6°	25%	77.9° (2015)	24.6° (1962)
26	61.2°	42.3°	25%	78.3° (2003)	29.5° (1979)
27	60.8°	41.9°	25%	77.4° (1986)	28.9° (1979)
28	61.7°	41.5°	27%	77.5° (1976)	31.6° (1972)
29	62.1°	41.4°	18%	79.7° (2018)	24.8° (1979)
30	61°	41.7°	22%	80.4° (2003)	28.8° (1969)
31	61.2°	42.1°	25%	85.8° (2003)	29.1° (2002)