As of 23:42 PDT

Fontana, CA weather in August

79°

Fontana, Saturday, 8 August, 23:42

Clear. Feels like 79°. High 96°, low 68°.

Pressure29.88 inHg

Wind1 mph SE

Humidity44%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In August, Fontana, CA averages a high of 92° and a low of 66.6°. About 0.2 inches of precipitation fall over the month (1 wet days). The record high is 108.9° (2020) and the record low 49.5° (1968). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	92.8°	67.8°	0%	102.9° (2017)	58.5° (1998)
2	92.5°	68°	2%	102.9° (2021)	57.4° (1964)
3	92.3°	67.5°	3%	104.2° (2021)	56.1° (1976)
4	92.7°	66.9°	0%	105.3° (1998)	56.5° (1976)
5	93.4°	67.3°	0%	106.2° (2024)	55.6° (1991)
6	92.7°	67.5°	2%	104° (2018)	56.5° (1991)
7	92.7°	66.7°	0%	107.6° (2018)	55.4° (1991)
8	92.8°	66.6°	0%	101.5° (2012)	57.6° (1999)
9	92.7°	66.7°	3%	103.1° (2018)	56.5° (2010)
10	91.9°	67.1°	3%	102.4° (2012)	56.7° (1999)
11	92.1°	67.1°	0%	100.9° (2000)	55.9° (2010)
12	91.9°	67.5°	0%	102.6° (2012)	56.5° (2010)
13	92.1°	67.1°	2%	105.3° (1996)	57.7° (1988)
14	91°	66.7°	0%	105.3° (2020)	56.1° (1968)
15	91°	66.4°	3%	108.9° (2020)	55.6° (1976)
16	91°	66.6°	3%	104.5° (2015)	54.5° (1972)
17	90.9°	66.4°	3%	104° (2020)	56.1° (2006)
18	89.8°	66.2°	5%	108.9° (2020)	55.4° (1976)
19	89.2°	65.5°	5%	107.8° (2020)	56.8° (1980)
20	89.8°	64.9°	5%	105.1° (2020)	56.5° (1972)
21	90.1°	65.1°	2%	104.2° (2025)	56.3° (1979)
22	90.7°	65.1°	0%	103.5° (2025)	49.5° (1968)
23	91.8°	65.1°	0%	101.5° (2010)	55.4° (1983)
24	91.9°	65.7°	0%	106.5° (2010)	56.3° (1978)
25	91.8°	66.7°	2%	105.6° (1985)	57.4° (1960)
26	92.1°	66.7°	3%	103.8° (1981)	55.2° (1990)
27	93.2°	66.7°	3%	105.3° (1981)	54.3° (1973)
28	94.3°	66.6°	0%	105.3° (2017)	55° (1973)
29	94.3°	67.5°	2%	105.8° (2007)	54.7° (2010)
30	93°	67.6°	0%	107.2° (2017)	55.8° (2010)
31	92.1°	66.6°	3%	107.2° (2022)	54° (1964)