As of 21:49 CDT

San Antonio, TX weather in May

87°

San Antonio, Saturday, 8 August, 21:49

Overcast. Feels like 95°. High 97°, low 74°.

Pressure30.00 inHg

Wind10 mph N

Humidity64%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In May, San Antonio, TX averages a high of 85° and a low of 67.2°. About 5.0 inches of precipitation fall over the month (12 wet days). The record high is 101.8° (1989) and the record low 47.5° (2013). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.7°	64.2°	55%	96.3° (2002)	50.4° (2005)
2	81.3°	64°	47%	95.2° (1983)	50.4° (1976)
3	81.7°	63.9°	33%	94.8° (2020)	47.5° (2013)
4	82.6°	63°	37%	96.8° (2020)	47.5° (2013)
5	82.9°	64.2°	43%	99.3° (1984)	50.4° (1979)
6	83.8°	64.9°	37%	99.5° (1984)	52.2° (1979)
7	84.6°	66.2°	35%	99.9° (2022)	53.2° (1992)
8	84.6°	66.7°	35%	99.7° (2022)	51.4° (1982)
9	84.4°	66.7°	40%	99.9° (2022)	54.5° (1984)
10	84°	67.3°	45%	97.7° (2008)	54.1° (1969)
11	83.8°	66.9°	42%	98.4° (1967)	52° (1981)
12	84°	67.1°	47%	97.9° (1967)	53.4° (1960)
13	83.8°	66.2°	40%	99.9° (2025)	53.2° (1960)
14	84.4°	66°	42%	100.4° (2025)	51.3° (1971)
15	83.5°	66.2°	47%	96.4° (2022)	49.3° (2014)
16	84.9°	66.6°	42%	100.4° (2025)	53.6° (1983)
17	85.3°	66.7°	40%	99.5° (2022)	51.3° (1970)
18	85.5°	66.9°	30%	99.9° (2022)	57° (1970)
19	85.3°	67.1°	28%	98.1° (2022)	55.8° (1986)
20	85.3°	67.5°	43%	98.8° (2022)	54.9° (2002)
21	85.3°	67.5°	50%	96.8° (2022)	57.9° (2002)
22	86.2°	68.2°	35%	98.8° (1989)	57.9° (1967)
23	86.2°	68.9°	38%	97.3° (2008)	56.1° (1967)
24	86.7°	69.4°	40%	99.9° (1989)	54.9° (2017)
25	87.1°	69.3°	38%	101.8° (1989)	59.2° (1967)
26	87.4°	70.2°	35%	98.8° (2018)	59.5° (1979)
27	87.8°	70°	38%	99.5° (2011)	61.9° (1976)
28	87.4°	70°	42%	99.1° (2011)	56.5° (1976)
29	87.4°	69.6°	37%	99.1° (2018)	56.7° (1992)
30	87.6°	70.3°	40%	99.1° (2018)	57.2° (1992)
31	87.4°	70°	47%	99.3° (2018)	57.4° (1984)