Port Arthur, TX weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Port Arthur now
Loading the National Weather Service forecast…
Port Arthur weather by the hour
Port Arthur weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Port Arthur.
This week in Port Arthur
Sunrise, sunset and moon in Port Arthur
What is the weather usually like in Port Arthur?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 93°F average high
- Januarycoldest month · 44°F average low
- 62.1 inprecipitation per year · 1,578 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Port Arthur: March–April and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PORT ARTHUR SE TX AP, TX US (USW00012917), adjusted for the elevation of Port Arthur.
Port Arthur weather month by month
Sunrise and sunset in Port Arthur through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:10 AM | 5:39 PM | 10 h 29 min |
| February | 6:53 AM | 6:05 PM | 11 h 11 min |
| March | 7:23 AM | 7:25 PM | 12 h 1 min |
| April | 6:47 AM | 7:43 PM | 12 h 56 min |
| May | 6:20 AM | 8:03 PM | 13 h 42 min |
| June | 6:13 AM | 8:19 PM | 14 h 6 min |
| July | 6:23 AM | 8:19 PM | 13 h 55 min |
| August | 6:42 AM | 7:57 PM | 13 h 15 min |
| September | 6:59 AM | 7:22 PM | 12 h 23 min |
| October | 7:16 AM | 6:46 PM | 11 h 29 min |
| November | 6:39 AM | 5:20 PM | 10 h 41 min |
| December | 7:02 AM | 5:19 PM | 10 h 16 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Port Arthur?
Port Arthur has a humid subtropical climate. The warmest month is August, with an average high of 93°F (34°C), and the coldest is January, with average lows of 44°F (7°C).
It gets about 62.1 inches (1,578 mm) of precipitation a year. The wettest month is August and the driest is February.
The best time to visit Port Arthur is March–April and October–November. At 7 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Port Arthur
Weather in towns near Port Arthur
Questions about the weather in Port Arthur
What is the hottest month in Port Arthur?
August, with an average high of 93°F (34°C).
What is the coldest month in Port Arthur?
January, with an average low of 44°F (7°C).
How much does it rain in Port Arthur?
About 62.1 inches (1,578 mm) a year; the wettest month is August.
Does it snow in Port Arthur?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Port Arthur?
March–April and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Port Arthur have?
Humid subtropical (Köppen Cfa).
What is the weather like in Port Arthur in November?
Highs average 72°F and lows 52°F, with about 3.9 inches of precipitation.
What time is sunrise in Port Arthur?
Around 6:39 AM in mid-November, and sunset around 5:20 PM. Today’s exact times are shown above.
Where does this Port Arthur weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Port Arthur.
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