Current Weather Forecast for Port Arthur

TX 77640  |   12:51pm

Weather Conditions

85°

Feels Like 93°

Partly Cloudy

78° 89°

11

UV Index

Moderate

Air Quality

SSE 6 mph

Wind

0 in

rain

Today

Sat 8/8

87°

Highest Temperature

64%

Thunderstorms. High 87F. Winds SE at 5 to 10 mph. Chance of rain 60%.

Tonight

Sat 8/8

77°

Lowest Temperature

15%

Some clouds. A stray shower or thunderstorm is possible. Low 77F. Winds SE at 5 to 10 mph.

Tomorrow

Sun 8/9

90°

Highest Temperature

24%

Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High near 90F. Winds ESE at 5 to 10 mph.

Precipitation For Port Arthur

Intermittent thunder starting in 53 minutes.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Port Arthur

Hourly Weather Forecast & Temperature

1PM

41%

85°

Feels Like 93°

Scattered Thunderstorms

ESE 6 mph

Wind

1018 mb

Pressure

70%

Humidity

11

UV Index

7mi

Visibility

50%

Cloud Cover

2PM

45%

84°

Feels Like 92°

Scattered Thunderstorms

ESE 6 mph

Wind

1018 mb

Pressure

73%

Humidity

10

UV Index

7mi

Visibility

56%

Cloud Cover

3PM

48%

84°

Feels Like 91°

Showers

ESE 8 mph

Wind

1017 mb

Pressure

72%

Humidity

8

UV Index

7mi

Visibility

54%

Cloud Cover

4PM

15%

86°

Feels Like 96°

Mostly Cloudy

SE 8 mph

Wind

1017 mb

Pressure

68%

Humidity

5

UV Index

10mi

Visibility

65%

Cloud Cover

5PM

15%

87°

Feels Like 96°

Partly Cloudy

SE 8 mph

Wind

1016 mb

Pressure

66%

Humidity

3

UV Index

10mi

Visibility

58%

Cloud Cover

6PM

15%

86°

Feels Like 95°

Partly Cloudy

SE 8 mph

Wind

1016 mb

Pressure

68%

Humidity

1

UV Index

10mi

Visibility

55%

Cloud Cover

7PM

15%

85°

Feels Like 94°

Partly Cloudy

SE 7 mph

Wind

1016 mb

Pressure

71%

Humidity

0

UV Index

10mi

Visibility

56%

Cloud Cover

8PM

15%

83°

Feels Like 92°

Partly Cloudy

SE 5 mph

Wind

1016 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

52%

Cloud Cover

9PM

15%

82°

Feels Like 90°

Partly Cloudy

SE 5 mph

Wind

1017 mb

Pressure

81%

Humidity

0

UV Index

10mi

Visibility

39%

Cloud Cover

10PM

9%

81°

Feels Like 88°

Clear

SE 4 mph

Wind

1017 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

14%

Cloud Cover

11PM

5%

81°

Feels Like 88°

Clear

SE 3 mph

Wind

1017 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

12%

Cloud Cover

12AM

5%

80°

Feels Like 88°

Clear

SE 4 mph

Wind

1017 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

13%

Cloud Cover

Sat 8/8

Sat

64%

78°

89°

Thunderstorms. Highs in the upper 80s and lows in the upper 70s.

96°

Feels Like

SE 8 mph

Wind

73%

Humidity

10

UV Index

6:39 AM

Sunrise

8:03 PM

Sunset

Sun 8/9

Sun

24%

77°

90°

Partly cloudy. Highs in the low 90s and lows in the upper 70s.

99°

Feels Like

ESE 10 mph

Wind

71%

Humidity

11

UV Index

6:40 AM

Sunrise

8:02 PM

Sunset

Mon 8/10

Mon

62%

78°

87°

Thunderstorms. Highs in the upper 80s and lows in the upper 70s.

96°

Feels Like

SSE 10 mph

Wind

78%

Humidity

7

UV Index

6:40 AM

Sunrise

8:01 PM

Sunset

Tue 8/11

Tue

24%

78°

91°

Partly cloudy. Highs in the low 90s and lows in the upper 70s.

102°

Feels Like

S 11 mph

Wind

71%

Humidity

10

UV Index

6:41 AM

Sunrise

8:00 PM

Sunset

Wed 8/12

Wed

19%

79°

92°

More sun than clouds. Highs in the low 90s and lows in the low 80s.

104°

Feels Like

SSW 12 mph

Wind

70%

Humidity

11

UV Index

6:41 AM

Sunrise

7:59 PM

Sunset

Thu 8/13

Thu

6%

80°

93°

Abundant sunshine. Highs in the low 90s and lows in the upper 70s.

104°

Feels Like

SSW 13 mph

Wind

68%

Humidity

11

UV Index

6:42 AM

Sunrise

7:58 PM

Sunset

Fri 8/14

Fri

14%

79°

93°

Mainly sunny. Highs in the low 90s and lows in the upper 70s.

104°

Feels Like

S 13 mph

Wind

67%

Humidity

11

UV Index

6:42 AM

Sunrise

7:57 PM

Sunset

Sat 8/15

Sat

19%

79°

93°

Times of sun and clouds. Highs in the mid 90s and lows in the upper 70s.

104°

Feels Like

S 11 mph

Wind

67%

Humidity

11

UV Index

6:43 AM

Sunrise

7:56 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 7700 9th Ave, Port Arthur, TX 77642
• 5541 Cambridge St, Port Arthur, TX 77640
• 1747 10th St, Port Arthur, TX 77640

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Texas

Hidden hazard: How to stay safe from harmful algal blooms this summer

As millions of Americans head to beaches, lakes and other bodies of water this summer, health officials are warning about harmful algal blooms that can pose serious health risks to people and pets.

The top 10 worst states for battling mosquitos thanks to heat and humidity

Outside ranked the 10 worst states for mosquitoes in 2026. Here's where the biting pests thrive most, and the climate and landscapes that help fuel their populations.

Bryan Norcross: The Atlantic goes quiet after Bertha fades away

The remnants of former Tropical Storm Bertha have moved into northern Mexico. It's now a weak disturbance over the mountains.

Battered and bruised Bertha weakens as all storm watches and warnings are discontinued

Tropical Storm Bertha is back in the northern Gulf and racing toward Texas, where it is expected to make a second landfall Thursday afternoon after striking southeast Louisiana on Wednesday.

Load More Stories