As of 10:17 PDT

Fontana, CA weather in October

89°

Fontana, Sunday, 9 August, 10:17

Clear. Feels like 89°. High 98°, low 69°.

Pressure29.88 inHg

Wind3 mph SW

Humidity38%

Visibility6.2 mi

Dew point59°

See detailed hourly forecast

In October, Fontana, CA averages a high of 79.2° and a low of 55.4°. About 0.9 inches of precipitation fall over the month (3 wet days). The record high is 103.8° (2024) and the record low 31.5° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84.6°	60.3°	8%	103.5° (2020)	44.2° (1971)
2	83.1°	59.4°	13%	103.8° (2024)	47.8° (1971)
3	82.4°	58.6°	7%	101.5° (2020)	46.4° (2002)
4	81.9°	58.5°	8%	100° (1987)	46.8° (1989)
5	82.2°	57.9°	13%	99.1° (2014)	46° (1969)
6	82.6°	57.6°	7%	101.8° (2024)	46° (2009)
7	82.6°	57.9°	10%	100.2° (1996)	45.5° (2011)
8	82.4°	57.4°	8%	98.8° (1996)	46.8° (2011)
9	81.5°	57°	10%	97° (2015)	47.7° (1961)
10	80.6°	56.5°	5%	100° (1991)	42.3° (1961)
11	79.7°	55.9°	15%	96.3° (1991)	44.6° (1973)
12	80.6°	55.6°	5%	97° (2020)	42.4° (2008)
13	80.6°	55.6°	10%	97.7° (1978)	45° (2000)
14	79.9°	55.2°	12%	97° (2020)	43.3° (1981)
15	79.3°	56.1°	12%	99.3° (2020)	44.8° (1966)
16	79.3°	55.2°	8%	97.5° (2020)	41.4° (1981)
17	79.3°	54.5°	10%	96.1° (1988)	41.9° (1971)
18	79.3°	54.9°	15%	96.1° (2023)	44.1° (1971)
19	79.5°	54.7°	12%	97° (2023)	40.5° (1971)
20	78.4°	55.6°	12%	96.4° (2003)	44.6° (1971)
21	77.7°	54.5°	10%	95.7° (2003)	44.2° (1971)
22	77.9°	54.1°	8%	95° (2003)	41.4° (1996)
23	77.7°	54.3°	13%	95.7° (2017)	42.6° (1996)
24	77.5°	54.5°	10%	93.7° (2017)	42.4° (1975)
25	77°	54°	8%	94.8° (2017)	39.6° (1971)
26	76.5°	52.9°	12%	91.2° (1965)	41.2° (1970)
27	75.7°	53.1°	12%	93° (2008)	41.5° (1996)
28	75°	52.2°	13%	93.6° (2008)	40.6° (1996)
29	73.8°	52°	10%	90.1° (2025)	32.7° (1971)
30	73.2°	51.3°	18%	89.6° (1966)	31.5° (1971)
31	73.9°	51.3°	7%	89.4° (1966)	37° (1972)