As of 09:38 CDT

Port Arthur, TX weather in January

85°

Port Arthur, Sunday, 9 August, 09:38

Clear. Feels like 94°. High 88°, low 77°.

Pressure30.06 inHg

Wind5 mph S

Humidity74%

Visibility6.2 mi

Dew point77°

See detailed hourly forecast

In January, Port Arthur, TX averages a high of 58.4° and a low of 47.8°. About 5.2 inches of precipitation fall over the month (11 wet days). The record high is 77.5° (2022) and the record low 18.5° (1962). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	58.5°	48.6°	37%	77.5° (2022)	27.5° (2018)
2	57.6°	47.5°	37%	73.9° (2023)	25° (2018)
3	57°	47.1°	42%	73.8° (2023)	25.7° (2018)
4	57.6°	45.7°	22%	71.6° (1997)	28° (2018)
5	57.9°	46.8°	32%	74.5° (2025)	31.1° (1969)
6	59.2°	48°	38%	71.4° (2023)	30.6° (2014)
7	57.6°	46.8°	45%	75° (2023)	26.1° (2017)
8	56.1°	46°	38%	74.3° (2019)	27.9° (1996)
9	57.4°	46.9°	42%	71.6° (2022)	26.6° (2010)
10	57.6°	47.1°	40%	73° (2020)	20.7° (1962)
11	57.4°	46.8°	30%	74.1° (2017)	18.5° (1962)
12	57.7°	46.9°	38%	74.3° (2017)	22.6° (1962)
13	57°	45.7°	38%	73° (2017)	25° (1963)
14	56.8°	46.2°	28%	74.3° (2020)	25° (1982)
15	57°	46.2°	27%	73.6° (2020)	30° (1979)
16	57.6°	47.1°	28%	75.2° (2017)	22.3° (2024)
17	58.3°	47.8°	33%	75.6° (2017)	21° (2018)
18	59°	48.6°	38%	75.7° (2023)	25° (2018)
19	57.9°	47.8°	40%	70.9° (2000)	27.7° (1977)
20	57.6°	46.9°	33%	74.8° (2017)	27.3° (1984)
21	57.2°	47.7°	35%	72.7° (2017)	23.9° (1985)
22	59°	48.7°	38%	71.2° (1974)	21° (2025)
23	59.4°	48.6°	40%	70° (1972)	32.9° (1963)
24	59.2°	48.4°	43%	73° (2017)	24.3° (1963)
25	59.7°	49.3°	40%	74.1° (2017)	28.8° (1963)
26	60.3°	49.5°	28%	74.1° (2021)	33.8° (1961)
27	59.9°	49.8°	28%	69.8° (1999)	29.7° (1963)
28	60.3°	49.8°	27%	70.9° (2013)	27.3° (1963)
29	60.6°	50°	33%	72° (1975)	30.4° (2014)
30	60.6°	50.2°	37%	72° (2025)	25.3° (1966)
31	60.4°	49.3°	35%	72° (1975)	32.7° (1979)