Port Arthur, TX Hourly Weather

Hour-by-Hour Forecast

Today's Weather Breakdown

Currently 64°F and partially cloudy. Today in Port Arthur, TX: high of 71°F, low of 64°F with rain, partially cloudy. 55% chance of rain.

Hour-by-Hour Temperature & Rain Probability

In Port Arthur, TX today, temperatures start near 64°F in the early morning and climb toward a high of 71°F in the afternoon. Rain probability climbs through the day, reaching around 55%. The afternoon hours carry the highest precipitation risk — bring an umbrella if you plan to be outside.

Reading the Hourly Weather Forecast

The hour-by-hour table shows temperature, feels-like temperature, precipitation probability, wind speed, humidity, and UV index for each hour of the day in Port Arthur. Rain probability above 40% for a given hour indicates a meaningful chance of precipitation during that window. UV index above 6 means sun protection is recommended for extended time outdoors.

Hourly forecasts are updated from live weather station data. For the full multi-day picture, see the Port Arthur 10-day forecast or check tomorrow's rain forecast for precipitation timing.

Hour-by-Hour Forecast for Port Arthur, TX

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