Live Weather & Forecast
Weather in Port Arthur
Texas, United States · Real-time conditions & 3-day outlook
22°C
Feels like 22°C
71°F / Feels 71°F
Overcast
Port Arthur, Texas
🌙 Nighttime
Updated: 2026-04-12 01:30
Humidity
87%
Wind
22.7 km/h SE
Wind Gust
35.1 km/h
Pressure
1020 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
18.3°C
Wind Degree
141°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
130.9 μg/m³
NO₂
3.1 μg/m³
O₃
94 μg/m³
SO₂
1.7 μg/m³
PM 2.5
9.1 μg/m³
PM 10
12.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Port Arthur, Texas
12 AM
21°
Clear
1 AM
22°
Overcast
2 AM
21°
Clear
3 AM
21°
Clear
4 AM
21°
Clear
5 AM
21°
Clear
6 AM
21°
Clear
7 AM
22°
Cloudy
8 AM
23°
Overcast
9 AM
24°
Partly Cloudy
10 AM
25°
Partly Cloudy
11 AM
26°
Partly Cloudy
12 PM
26°
Partly Cloudy
1 PM
26°
Patchy light rain
2 PM
26°
Partly Cloudy
3 PM
26°
Partly Cloudy
4 PM
25°
Overcast
5 PM
24°
Overcast
6 PM
24°
Overcast
7 PM
23°
Overcast
8 PM
23°
Overcast
9 PM
22°
Overcast
10 PM
22°
Overcast
11 PM
22°
Overcast
3-Day Forecast
Daily overview for Port Arthur, Texas
Today
Patchy rain nearby
27°
/
20°
🌧️ 79% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 1.96 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:52 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
27°
/
22°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:51 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
26°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:50 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Port Arthur
Plan your trip to Port Arthur, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
What is the current weather in Port Arthur?
Current conditions in Port Arthur: Overcast, temperature 22°C, humidity 87%.
What is the best time to visit Port Arthur?
The best time to visit Port Arthur is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Port Arthur?
Port Arthur is located at approximately 29.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Port Arthur?
The wettest period in Port Arthur is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Port Arthur?
For visits to Port Arthur during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Port Arthur in?
Port Arthur is located in United States, in the state of Texas.
What are the public holidays in Port Arthur in 2026?
View the 2026 public holidays for Port Arthur on our Holidays page.
What are the GPS coordinates used for the weather forecast in Port Arthur?
The weather forecast for Port Arthur uses coordinates 29.8717, -93.9332.