As of 18:41 PDT

Chula Vista, CA weather in May

80°

Chula Vista, Saturday, 8 August, 18:41

Clear. Feels like 80°. High 96°, low 70°.

Pressure29.85 inHg

Wind8 mph W

Humidity66%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In May, Chula Vista, CA averages a high of 68° and a low of 55.1°. About 0.4 inches of precipitation fall over the month (2 wet days). The record high is 94.5° (2025) and the record low 43.5° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	67.5°	53.2°	7%	87.6° (2014)	43.5° (1967)
2	68.4°	53.6°	5%	86.9° (2004)	46.2° (1971)
3	68.2°	54.3°	7%	88.9° (2004)	48.7° (2002)
4	67.1°	54.5°	12%	85.8° (2018)	47.7° (1969)
5	66.6°	54.7°	10%	86.4° (1990)	48.2° (1964)
6	66.6°	54.1°	22%	88.3° (2020)	46.6° (2024)
7	67.1°	54°	17%	84.4° (2020)	46.6° (1964)
8	67.3°	54.1°	13%	80.6° (2007)	44.1° (1964)
9	67.3°	54.7°	5%	86.5° (2025)	46.2° (1964)
10	67.3°	54.5°	8%	94.5° (2025)	45.1° (2003)
11	67.3°	54.7°	8%	86.4° (2025)	48.4° (2022)
12	68.7°	54.5°	5%	85.3° (1979)	46.4° (2010)
13	68.9°	55.4°	7%	90.1° (2014)	48.2° (1967)
14	68.7°	55.4°	5%	91.6° (2014)	50.4° (1961)
15	68°	55.6°	5%	91.8° (2014)	47.5° (1998)
16	67.8°	55.2°	10%	85.8° (2014)	49.1° (1962)
17	68.7°	55.4°	2%	81.3° (1978)	46.8° (1962)
18	69.1°	55.6°	5%	81.9° (1978)	48.6° (1977)
19	68.5°	55.8°	5%	87.3° (2017)	49.8° (1991)
20	68.5°	55.8°	7%	92.3° (2017)	48.9° (1974)
21	68°	55.2°	2%	84.9° (2025)	48.7° (1975)
22	67.6°	55°	8%	78.6° (1990)	48.7° (1971)
23	67.5°	55.2°	5%	77° (2017)	49.3° (2021)
24	67.5°	55.2°	5%	79° (2021)	47.1° (2010)
25	67.5°	55.2°	2%	82° (2021)	50° (1965)
26	67.6°	55.4°	5%	80.1° (2020)	50° (1977)
27	68.4°	55.8°	3%	80.1° (2020)	49.5° (1998)
28	69.1°	56.3°	3%	85.6° (1984)	48.9° (2019)
29	68.7°	56.7°	3%	82.9° (1984)	48.7° (1980)
30	69.1°	56.7°	0%	77.9° (2025)	48° (2011)
31	69.3°	56.5°	2%	83.8° (2025)	50.4° (1999)