PORT ARTHUR, TX 77640 Weather Forecast & Current Conditions

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77640 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORT ARTHUR, TX Current Weather
2:53 AM CDT AUG 27, 2025
Clear 79°F
Feels Like:	83°F
Dewpoint:	75°F
Rel. Hum.:	88%
Visibility:	10 miles
Wind:	NE at 5 mph
Pressure:	30.09 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

77640 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORT ARTHUR, TX 77640 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.

77640 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORT ARTHUR, TX 77640

Infrared Weather Satellite
PORT ARTHUR, TX 77640

77640 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORT ARTHUR, TX 77640

MOS COMPUTER WEATHER FORECAST

PORT ARTHUR, TX 3 hourly weather forecast

weather forecast created 7:00 PM CDT 8/26/2025

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)

Wednesday
27 AUG 2025

1 AM

77°

78°

Partly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 19% severe)

E 2

90%

74°

Low 75°

4 AM

77°

78°

Partly Cloudy

NE 3

90%

74°

High 90°

7 AM

76°

Partly Cloudy

30%
RAIN
***

0% Thunder
( 27% severe)

NE 7

90%

73°

Partly Cloudy

Chance of Rain

10 AM

82°

88°

Partly Cloudy

E 8

77%

74°

1 PM

87°

95°

Partly Cloudy

43%
RAIN
.1–.25 in

0% Thunder
( 47% severe)

SE 9

65%

74°

4 PM

87°

94°

Partly Cloudy

SSE 10

63%

73°

7 PM

83°

90°

Partly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 11% severe)

SSE 8

74%

74°

10 PM

79°

83°

Partly Cloudy

SSE 5

85%

74°

Thursday
28 AUG 2025

1 AM

78°

80°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 7% severe)

SSE 5

88%

74°

Low 76°

4 AM

77°

78°

Partly Cloudy

SSE 3

90%

74°

High 91°

7 AM

77°

78°

Partly Cloudy

24%
RAIN
.1–.25 in

0% Thunder
( 21% severe)

S 3

90%

74°

Partly Cloudy

Chance of Rain

10 AM

86°

95°

Partly Cloudy

S 7

70%

75°

1 PM

88°

97°

Partly Cloudy

27%
RAIN
.1–.25 in

0% Thunder
( 41% severe)

S 9

63%

74°

4 PM

88°

97°

Partly Cloudy

S 12

63%

74°

7 PM

84°

91°

Partly Cloudy

0% Thunder
( 8% severe)

S 9

72%

74°

10 PM

79°

83°

Partly Cloudy

S 6

88%

75°


PORT ARTHUR, TX extended weather forecast
Friday 29 AUG 2025	Saturday 30 AUG 2025	Sunday 31 AUG 2025	Monday 1 SEP 2025	Tuesday 2 SEP 2025
Low 77°	Low 75°	Low 74°	Low 74°	Low 75°
High 90°	High 90°	High 87°	High 93°	High 94°

Mostly Cloudy 52% Rain	Overcast 67% Rain	Overcast 69% Rain	Mostly Cloudy 40% Rain	Partly Cloudy 21% Rain