As of 04:25 PDT

San Bernardino, CA weather in May

80°

San Bernardino, Sunday, 9 August, 04:25

Mostly clear. Feels like 80°. High 101°, low 74°.

Pressure29.88 inHg

Wind1.4 mph NE

Humidity41%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

In May, San Bernardino, CA averages a high of 77.1° and a low of 53.2°. About 0.5 inches of precipitation fall over the month (3 wet days). The record high is 103.6° (1984) and the record low 37° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	75°	51.1°	10%	91.4° (1985)	37° (1967)
2	76.3°	50.9°	5%	96.1° (2004)	42.1° (1967)
3	76.5°	51.8°	7%	97.2° (2004)	41.9° (2002)
4	75°	51.8°	13%	94.5° (2017)	42.1° (1964)
5	73°	51.6°	20%	95.4° (1990)	39.6° (1964)
6	73°	50.9°	20%	96.3° (2020)	39° (1975)
7	74.1°	51.3°	10%	97.9° (2020)	37.4° (1964)
8	75.2°	52°	12%	96.1° (2001)	41.2° (1965)
9	75°	52.2°	12%	98.2° (2025)	42.3° (1964)
10	75.2°	52.2°	17%	102.6° (2025)	39.4° (2003)
11	76.6°	52°	5%	97.7° (1988)	43° (1980)
12	78.3°	52°	10%	97° (2013)	42.1° (1963)
13	78.8°	53.2°	15%	97.7° (1976)	41.7° (1998)
14	78.3°	54.1°	5%	97.3° (2022)	43.5° (1968)
15	77°	53.4°	8%	100° (2014)	41.7° (1998)
16	77.9°	53.6°	13%	96.8° (2014)	43.3° (1962)
17	78.3°	53.8°	10%	100.8° (2008)	42.1° (1962)
18	78.1°	54°	8%	100.2° (2008)	41.5° (1977)
19	78.6°	53.6°	10%	96.3° (2008)	41.2° (1974)
20	77.5°	54.1°	7%	94.8° (2000)	41.2° (1974)
21	77.4°	53.6°	8%	99.1° (2000)	44.1° (1962)
22	77°	53.8°	12%	95.7° (2000)	42.8° (2002)
23	76.5°	54.3°	10%	97.9° (2001)	45.5° (1995)
24	77.4°	54°	12%	93.2° (2021)	41.4° (1980)
25	76.5°	54.5°	8%	97.9° (1974)	45° (1960)
26	77.2°	54.3°	8%	98.8° (1974)	45.1° (1980)
27	78.1°	54.1°	7%	98.4° (1968)	44.1° (1962)
28	79.7°	54.9°	3%	101.8° (1973)	44.4° (1971)
29	79.7°	55.6°	7%	103.6° (1984)	44.8° (1980)
30	80.8°	55.6°	5%	99.3° (2025)	44.8° (2011)
31	80.8°	56.1°	5%	97° (2001)	46.4° (1971)