Port Arthur, TX Weather
Port Arthur, TX climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.
The warmest month of the year is August with an average maximum temperature of 91.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 42.90 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at Port Arthur is 57.32 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 6.37 Inches.
Weather Data
Current Conditions
|
Overcast, 63°F | Humidity: 87% | Dewpoint: 59°F |
| Wind Speed: N 6.9 MPH (6 KT) | Heat Index: 63°F | ||
| Barometer: 30.08 in. | Wind Chill: 63°F |
Weather Forecast
 | Tonight: Partly cloudy. Cooler. Lows in the mid 40s. North winds 10 to 15 mph. | |
| Lo: 45°F | ||
 | Hi: 65°F | Wednesday: Sunny. Highs in the mid 60s. North winds 10 to 15 mph. |
| Lo: 40°F | ||
| Hi: 65°F | Thanksgiving day: Sunny. Highs in the mid 60s. North winds 10 to 15 mph. |
| Lo: 40°F | ||
| Hi: 69°F | Friday: Sunny. Highs in the upper 60s. |
| Lo: 50°F | ||
 | Hi: 71°F | Saturday: Partly cloudy. Lows in the mid 40s inland to lower 50s at The coast. Highs in the lower 70s. |
| Lo: 59°F | ||
 | Hi: 71°F | Sunday: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the lower 70s. |
| Lo: 55°F | ||
| Hi: 65°F | Monday: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Breezy. Lows in the mid 50s. Highs in the mid 60s. |
| Lo: 43°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:21 AM CST |
Sunrise: 6:47 AM CST |
| Sunset: 5:16 PM CST |
Civil Twilight: 5:42 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 61.5 | 65.3 | 72.0 | 77.8 | 84.3 | 89.4 | 91.6 | 91.7 | 88.0 | 80.5 | 70.9 | 63.9 | 78.1 |
| Mean °F | 52.2 | 55.6 | 62.2 | 68.2 | 75.4 | 80.9 | 82.7 | 82.5 | 78.7 | 70.1 | 60.9 | 54.2 | 68.6 |
| Min °F | 42.9 | 45.9 | 52.4 | 58.6 | 66.4 | 72.3 | 73.8 | 73.2 | 69.4 | 59.6 | 50.8 | 44.5 | 59.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.80 | 3.17 | 3.70 | 2.82 | 5.60 | 6.37 | 6.27 | 3.80 | 6.00 | 4.88 | 4.32 | 4.59 | 57.32 |
