As of 13:38 PDT

San Bernardino, CA weather in August

102°

San Bernardino, Sunday, 9 August, 13:38

Clear. Feels like 103°. High 102°, low 69°.

Pressure29.83 inHg

Wind5 mph NE

Humidity24%

Visibility6.2 mi

Dew point59°

See detailed hourly forecast

In August, San Bernardino, CA averages a high of 92° and a low of 67.4°. About 0.6 inches of precipitation fall over the month (3 wet days). The record high is 111.7° (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°	68.7°	12%	105.1° (2020)	57.7° (1998)
2	92.7°	68.9°	8%	103.3° (2021)	58.3° (1964)
3	92.3°	68.5°	10%	104.7° (2021)	55.8° (1976)
4	92.7°	67.8°	8%	106.3° (1998)	56.8° (1976)
5	93.6°	68.4°	8%	108.1° (2024)	55.6° (1991)
6	92.8°	68.4°	15%	105.1° (2018)	57° (1991)
7	92.7°	67.6°	8%	108.5° (2018)	55.6° (1991)
8	93°	67.8°	8%	102.9° (2025)	58.1° (2002)
9	93°	67.8°	17%	103.1° (2018)	57° (2010)
10	91.9°	68.2°	12%	102.4° (2012)	56.3° (1999)
11	92.3°	68°	18%	101.1° (2012)	56.5° (1999)
12	91.9°	68.4°	15%	103.3° (2020)	57.4° (1999)
13	92.1°	68°	18%	104.9° (1996)	57.7° (1993)
14	91.2°	67.3°	15%	106° (2020)	55.4° (1968)
15	91°	66.7°	8%	110.5° (2020)	54.9° (1976)
16	91.2°	67.1°	10%	104.9° (2015)	53.2° (1972)
17	90.9°	66.9°	10%	103.3° (2023)	55.9° (1968)
18	89.8°	67.1°	13%	111.7° (2020)	55° (1976)
19	89.2°	66.4°	10%	108.1° (2020)	55° (1980)
20	89.8°	65.7°	15%	105.6° (2020)	57.4° (1990)
21	90.1°	65.8°	8%	106° (2025)	56.1° (1979)
22	90.7°	66°	7%	105.6° (2025)	49.5° (1968)
23	91.9°	65.7°	10%	103.8° (2025)	54.1° (1983)
24	91.9°	66.7°	10%	107.1° (2010)	55.4° (1983)
25	91.6°	67.6°	10%	104.4° (1985)	55.9° (1990)
26	91.9°	67.6°	10%	103.5° (2011)	54.9° (1973)
27	93°	67.3°	8%	105.3° (2021)	54.5° (1973)
28	94.5°	67.1°	3%	107.4° (2017)	54.7° (1973)
29	94.5°	67.8°	10%	107.2° (2017)	55.2° (2010)
30	93.2°	68.2°	12%	108° (2017)	55° (2010)
31	92.1°	67.1°	7%	107.4° (2022)	53.6° (1964)