As of 11:17 CDT

Port Arthur, TX weather in May

89°

Port Arthur, Sunday, 9 August, 11:17

Heavy rain. Feels like 102°. High 89°, low 77°.

Pressure30.06 inHg

Wind6.7 mph SE

Humidity73%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In May, Port Arthur, TX averages a high of 80.4° and a low of 71.5°. About 4.1 inches of precipitation fall over the month (10 wet days). The record high is 93.2° (2018) and the record low 51.4° (2013). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	77.4°	68.2°	38%	82.9° (1981)	57.2° (2005)
2	77.4°	68.7°	37%	84.9° (2010)	57.4° (1976)
3	77.7°	68°	38%	87.1° (1984)	51.4° (2013)
4	77.7°	67.5°	30%	84.2° (2010)	54.5° (2013)
5	77.9°	68.7°	32%	83.8° (2023)	54.1° (2013)
6	78.3°	69.1°	27%	86.2° (2022)	54.1° (2017)
7	78.8°	70.2°	25%	86.7° (2018)	56.1° (1992)
8	79.3°	70.9°	33%	87.4° (2018)	57.7° (1992)
9	79.2°	70.5°	30%	86.9° (2022)	60.4° (1984)
10	79°	70.9°	35%	86.4° (1998)	58.8° (1961)
11	79.2°	71.1°	35%	84.6° (2022)	58.3° (1981)
12	79.3°	71.1°	43%	87.3° (2022)	56.8° (1960)
13	80.1°	71.1°	35%	89.4° (2011)	61.3° (1960)
14	80.2°	70.5°	27%	88.2° (2018)	59.7° (2014)
15	80.4°	70°	30%	90.5° (2018)	56.1° (2014)
16	80.2°	71.2°	35%	92.3° (2018)	58.8° (1973)
17	80.6°	71.2°	33%	93.2° (2018)	61.5° (1967)
18	80.8°	71.4°	28%	87.4° (1998)	61.3° (2009)
19	80.8°	71.4°	23%	86.7° (1998)	57.4° (2002)
20	81.3°	72.1°	23%	89.1° (2023)	59.4° (2002)
21	81.3°	72.3°	37%	91.4° (2005)	62.6° (2002)
22	81.5°	72.5°	28%	89.6° (2005)	62.2° (2001)
23	81.9°	73°	20%	86.9° (2023)	61.2° (1967)
24	82.2°	73.8°	33%	87.1° (2023)	59.5° (2017)
25	82.2°	73.9°	30%	87.3° (1972)	63.5° (1979)
26	83.1°	74.1°	22%	91.2° (2011)	62.1° (2022)
27	83.1°	74.3°	28%	90.1° (2024)	58.3° (1961)
28	82.9°	74.1°	33%	91° (2010)	60.4° (1961)
29	82.9°	74.1°	37%	89.2° (2010)	66.9° (1973)
30	82.9°	74.7°	40%	89.8° (1998)	61° (1984)
31	82.9°	74.5°	53%	90.5° (1998)	61.9° (1984)