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As of 16:46 CDT

Weather in Port Isabel, TX

90°Current weather

Port Isabel, Sunday, 9 August, 16:46

Mostly clear. Feels like 103°. High 92°, low 79°.

Pressure29.91 inHg
Wind6 mph E
Humidity70%
Visibility6.2 mi
Dew point78°

10-day forecast for Port Isabel, TX: 79° to 93°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

91°
Best day: Tuesday, August 11
90° · 0.06 in
Worst day: Saturday, August 15

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1093° / 79°0.05Light rain
MorningClear82°feels 89°
AfternoonMostly clear93°feels 106°
EveningOvercast85°feels 95°
OvernightMostly clear81°feels 86°
93 °Light rain

Port Isabel, Monday, 10 August

Light rain. High 93°, low 79°.

Pressure30.03 inHg
Wind18.1 mph SE
Humidity59%
Visibility6.2 mi
Dew point73°
Tue, 1191° / 80°0Clear
MorningClear83°feels 91°
AfternoonClear91°feels 100°
EveningClear85°feels 94°
OvernightClear81°feels 86°
91 °Clear

Port Isabel, Tuesday, 11 August

Clear. High 91°, low 80°.

Pressure30.03 inHg
Wind16.4 mph SE
Humidity59%
Visibility6.2 mi
Dew point74°
Wed, 1290° / 82°0Clear
MorningClear83°feels 91°
AfternoonClear90°feels 98°
EveningClear85°feels 94°
OvernightClear83°feels 92°
90 °Clear

Port Isabel, Wednesday, 12 August

Clear. High 90°, low 82°.

Pressure29.97 inHg
Wind19.6 mph SE
Humidity57%
Visibility6.2 mi
Dew point72°
Thu, 1391° / 82°0Clear
MorningClear84°feels 93°
AfternoonClear91°feels 101°
EveningClear86°feels 96°
OvernightClear83°feels 92°
91 °Clear

Port Isabel, Thursday, 13 August

Clear. High 91°, low 82°.

Pressure29.94 inHg
Wind18.6 mph SE
Humidity60%
Visibility6.2 mi
Dew point74°
Fri, 1489° / 83°0Light rain
MorningLight rain84°feels 93°
AfternoonLight rain87°feels 96°
EveningLight rain85°feels 95°
OvernightLight rain84°feels 94°
89 °Light rain

Port Isabel, Friday, 14 August

Light rain. High 89°, low 83°.

Pressure30.00 inHg
Wind17.9 mph SE
Humidity68%
Visibility—
Dew point75°
Sat, 1590° / 83°0.06Light rain
MorningLight rain85°feels 94°
AfternoonLight rain89°feels 98°
EveningLight rain85°feels 95°
OvernightLight rain83°feels 93°
90 °Light rain

Port Isabel, Saturday, 15 August

Light rain. High 90°, low 83°.

Pressure30.09 inHg
Wind16.7 mph SE
Humidity59%
Visibility—
Dew point73°
Sun, 1690° / 82°0Light rain
MorningLight rain84°feels 92°
AfternoonLight rain89°feels 97°
EveningLight rain85°feels 93°
OvernightLight rain83°feels 91°
90 °Light rain

Port Isabel, Sunday, 16 August

Light rain. High 90°, low 82°.

Pressure30.09 inHg
Wind16.2 mph E
Humidity58%
Visibility—
Dew point72°
Mon, 1790° / 81°0Clear
MorningClear84°feels 91°
AfternoonClear90°feels 98°
EveningClear86°feels 94°
OvernightClear83°feels 91°
90 °Clear

Port Isabel, Monday, 17 August

Clear. High 90°, low 81°.

Pressure30.00 inHg
Wind17.1 mph SE
Humidity57%
Visibility—
Dew point72°
Tue, 1890° / 82°0Overcast
MorningOvercast84°feels 92°
AfternoonOvercast89°feels 98°
EveningOvercast86°feels 94°
OvernightOvercast83°feels 91°
90 °Overcast

Port Isabel, Tuesday, 18 August

Overcast. High 90°, low 82°.

Pressure30.00 inHg
Wind17 mph SE
Humidity60%
Visibility—
Dew point73°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Port Isabel, TX around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.