PORT ARTHUR, TX 77643 Weather Forecast & Current Conditions

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77643 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORT ARTHUR, TX Current Weather
10:53 AM CDT MAY 26, 2026
Scattered Clouds 81°F
Feels Like:	86°F
Dewpoint:	73°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	ESE at 6 mph
Pressure:	29.94 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

77643 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORT ARTHUR, TX 77643 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.

THURSDAY
Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph.

THURSDAY NIGHT
Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.

FRIDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 80s. Northwest winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 20 percent.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.

SATURDAY
Mostly sunny. Highs in the upper 70s.

SATURDAY NIGHT AND SUNDAY
Mostly cloudy. Lows in the upper 60s. Highs in the mid 80s.

SUNDAY NIGHT
Mostly cloudy. Cooler with lows in the upper 50s.

MONDAY AND MONDAY NIGHT
Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

TUESDAY
Sunny. Highs around 70.

77643 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORT ARTHUR, TX 77643

Infrared Weather Satellite
PORT ARTHUR, TX 77643

77643 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORT ARTHUR, TX 77643

MOS COMPUTER WEATHER FORECAST

PORT ARTHUR, TX 3 hourly weather forecast

weather forecast created 7:00 PM CDT 5/25/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Tuesday
26 MAY 2026

1 AM

74°

Partly Cloudy

13%
RAIN
1–2 in

0% Thunder
( 18% severe)

CALM

90%

71°

Low 72°

4 AM

73°

Partly Cloudy

CALM

90%

70°

High 87°

7 AM

73°

Partly Cloudy

30%
RAIN
***

0% Thunder
( 25% severe)

ENE 3

93%

71°

Partly Cloudy

Chance of Rain

10 AM

80°

84°

Partly Cloudy

ESE 5

79%

73°

1 PM

84°

90°

Partly Cloudy

13%
RAIN
.1–.25 in

0% Thunder
( 28% severe)

SSW 9

70%

73°

4 PM

85°

91°

Partly Cloudy

SSE 12

65%

72°

7 PM

82°

87°

Partly Cloudy

0% Thunder
( 21% severe)

SSE 12

72%

72°

10 PM

78°

80°

Mostly Cloudy

SSE 8

85%

73°

Wednesday
27 MAY 2026

1 AM

78°

80°

Mostly Cloudy

27%
RAIN
.25–.5 in

0% Thunder
( 37% severe)

SSE 8

85%

73°

Low 75°

4 AM

78°

80°

Mostly Cloudy

SSE 8

85%

73°

High 83°

7 AM

78°

80°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 52% severe)

SSE 9

88%

74°

Mostly Cloudy

Rain Likely

10 AM

79°

83°

Mostly Cloudy

SSE 12

85%

74°

1 PM

80°

85°

Mostly Cloudy

78%
RAIN
***

0% Thunder
( 51% severe)

SSE 13

85%

75°

4 PM

79°

83°

Mostly Cloudy

SSE 12

85%

74°

7 PM

78°

80°

Mostly Cloudy

46%
RAIN
***

0% Thunder
( 26% severe)

SSE 8

88%

74°

10 PM

76°

Mostly Cloudy

SE 6

90%

73°


PORT ARTHUR, TX extended weather forecast
Thursday 28 MAY 2026	Friday 29 MAY 2026	Saturday 30 MAY 2026	Sunday 31 MAY 2026	Monday 1 JUN 2026
Low 72°	Low 72°	Low 72°	Low 70°	Low 69°
High 85°	High 90°	High 90°	High 86°	High 86°

Overcast 80% Rain	Partly Cloudy 29% Rain	Mostly Cloudy 30% Rain	Overcast 52% Rain	Overcast 54% Rain

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PORT ARTHUR, TX 77643 Weather Forecast & Current Conditions

PORT ARTHUR, TX Current Weather

PORT ARTHUR, TX 77643 Weather Forecast

PORT ARTHUR, TX 3 hourly weather forecast

PORT ARTHUR, TX extended weather forecast

PORT ARTHUR, TX
Current Weather

PORT ARTHUR, TX 77643
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