Observed 6:53 AM CDT at KPIL

Port Isabel, TX weather

Clear and 75°24°.

Mostly agree

Now 75°24°

Clear

Wind: 6 mph9 km/h; From the east. Gusts to 20 mph33 km/h around 4 PM
Dew point (notable): 71°22°; Oppressive
UV index: 0Low; High 12–2 PM · peak 6
Pressure: 30.07 inHg1018 hPa; Rising slowly · +0.04 inHg+1.4 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (71°22° then, 75°24° now)

Good hours for

High 83°28° today at 3 PM

This morningUp to 81°27° by 11 AM · Partly cloudy
This afternoonNear 82°28° · Partly cloudy
TonightDown to 75°24° by 4 AM · Mostly cloudy
Tomorrow morningUp to 80°27° by 11 AM · Cloudy
Tomorrow afternoonNear 81°27° · rain chance 10% · Cloudy
Tomorrow nightDown to 72°22° by 5 AM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Clear	74°23° (likely 73°23° to 78°26°)	74°23°	5%	9 mph14 km/h from SE, gusts 14 mph22 km/h	80%	13%	0
Sat 8a	Partly sunny	74°23° (likely 73°23° to 79°26°)	74°23°	5%	10 mph16 km/h from ESE, gusts 13 mph21 km/h	81%	17%	0
Sat 9a	Partly sunny	77°25° (likely 76°24° to 80°27°)	77°25°	0%	12 mph19 km/h from ESE, gusts 15 mph23 km/h	76%	34%	1
Sat 10a	Partly sunny	80°27° (likely 78°26° to 81°27°)	83°28°	5%	14 mph23 km/h from ESE, gusts 19 mph31 km/h	69%	62%	2
Sat 11a	Mostly sunny	81°27° (likely 80°27° to 82°28°)	84°29°	0%	16 mph26 km/h from ESE, gusts 18 mph30 km/h	68%	39%	4
Sat 12p	Mostly sunny	82°28° (likely 81°27° to 83°28°)	86°30°	5%	17 mph27 km/h from ESE, gusts 19 mph30 km/h	66%	43%	6
Sat 1p	Sunny	82°28° (likely 81°27° to 83°28°)	86°30°	5%	17 mph27 km/h from ESE, gusts 20 mph32 km/h	66%	37%	6
Sat 2p	Mostly sunny	82°28° (likely 81°27° to 84°29°)	86°30°	5%	18 mph29 km/h from ESE, gusts 20 mph31 km/h	66%	42%	5
Sat 3p	Mostly sunny	83°28° (likely 81°27° to 84°29°)	86°30°	5%	18 mph29 km/h from ESE, gusts 20 mph32 km/h	63%	34%	4
Sat 4p	Sunny	82°28° (likely 81°27° to 84°29°)	85°29°	0%	17 mph27 km/h from ESE, gusts 20 mph33 km/h	64%	26%	3
Sat 5p	Mostly sunny	82°28° (likely 81°27° to 83°28°)	85°29°	0%	17 mph27 km/h from ESE, gusts 20 mph32 km/h	64%	25%	2
Sat 6p	Sunny	81°27° (likely 80°27° to 81°27°)	84°29°	0%	16 mph26 km/h from ESE, gusts 19 mph31 km/h	66%	17%	1
Sat 7p	Clear	79°26° (likely 79°26° to 80°27°)	79°26°	0%	15 mph24 km/h from ESE, gusts 19 mph31 km/h	68%	17%	0
Sat 8p	Clear	78°26° (likely 78°26° to 80°27°)	78°26°	0%	15 mph24 km/h from ESE, gusts 18 mph30 km/h	70%	14%	0
Sat 9p	Partly cloudy	78°26° (likely 77°25° to 80°27°)	78°26°	0%	14 mph23 km/h from ESE, gusts 17 mph27 km/h	69%	57%	0
Sat 10p	Cloudy	78°26° (likely 77°25° to 80°27°)	78°26°	0%	14 mph23 km/h from ESE, gusts 19 mph31 km/h	70%	94%	0
Sat 11p	Cloudy	78°26° (likely 77°25° to 80°27°)	78°26°	0%	14 mph23 km/h from ESE, gusts 20 mph32 km/h	69%	85%	0
Sun 12a	Cloudy	77°25° (likely 77°25° to 80°27°)	77°25°	0%	12 mph19 km/h from ESE, gusts 19 mph30 km/h	69%	86%	0
Sun 1a	Cloudy	77°25° (likely 77°25° to 79°26°)	77°25°	0%	12 mph19 km/h from ESE, gusts 20 mph32 km/h	68%	90%	0
Sun 2a	Cloudy	76°24° (likely 76°24° to 79°26°)	76°24°	0%	10 mph16 km/h from ESE, gusts 18 mph29 km/h	68%	92%	0
Sun 3a	Cloudy	76°24° (likely 76°24° to 79°26°)	76°24°	0%	10 mph16 km/h from ESE, gusts 17 mph27 km/h	68%	92%	0
Sun 4a	Cloudy	75°24° (likely 75°24° to 79°26°)	75°24°	0%	10 mph16 km/h from ESE, gusts 15 mph24 km/h	71%	92%	0
Sun 5a	Cloudy	75°24° (likely 75°24° to 79°26°)	75°24°	5%	10 mph16 km/h from ESE, gusts 14 mph22 km/h	71%	95%	0
Sun 6a	Cloudy	74°23° (likely 74°23° to 79°26°)	74°23°	5%	10 mph16 km/h from ESE, gusts 13 mph21 km/h	72%	96%	0
Sun 7a	Cloudy	74°23° (likely 74°23° to 79°26°)	74°23°	0%	12 mph19 km/h from ESE, gusts 13 mph20 km/h	72%	91%	0
Sun 8a	Cloudy	74°23° (likely 74°23° to 79°26°)	75°24°	5%	12 mph19 km/h from ESE, gusts 17 mph27 km/h	71%	88%	0
Sun 9a	Cloudy	77°25° (likely 77°25° to 80°27°)	77°25°	10%	13 mph21 km/h from ESE, gusts 16 mph26 km/h	68%	87%	1
Sun 10a	Cloudy	79°26° (likely 79°26° to 81°27°)	81°27°	10%	15 mph24 km/h from ESE, gusts 16 mph26 km/h	63%	96%	2
Sun 11a	Cloudy	80°27° (likely 80°27° to 82°28°)	82°28°	5%	15 mph24 km/h from ESE, gusts 16 mph25 km/h	60%	96%	3
Sun 12p	Cloudy	81°27° (likely 80°27° to 83°28°)	83°28°	0%	15 mph24 km/h from ESE, gusts 17 mph27 km/h	60%	100%	4
Sun 1p	Cloudy	82°28° (likely 80°27° to 84°29°)	84°29°	0%	15 mph24 km/h from ESE, gusts 17 mph27 km/h	59%	99%	6
Sun 2p	Cloudy	82°28° (likely 81°27° to 84°29°)	84°29°	0%	15 mph24 km/h from ESE, gusts 17 mph27 km/h	59%	99%	5
Sun 3p	Cloudy	81°27° (likely 81°27° to 84°29°)	83°28°	0%	15 mph24 km/h from E, gusts 16 mph26 km/h	60%	92%	5
Sun 4p	Cloudy	81°27° (likely 81°27° to 83°28°)	83°28°	10%	14 mph23 km/h from E, gusts 17 mph27 km/h	61%	90%	4
Sun 5p	Cloudy	80°27° (likely 80°27° to 82°28°)	82°28°	10%	14 mph23 km/h from E, gusts 17 mph27 km/h	63%	96%	2
Sun 6p	Cloudy	78°26° (likely 78°26° to 80°27°)	78°26°	10%	14 mph23 km/h from E, gusts 16 mph26 km/h	68%	97%	1
Sun 7p	Cloudy	77°25° (likely 77°25° to 79°26°)	77°25°	0%	12 mph19 km/h from E, gusts 15 mph25 km/h	70%	98%	0
Sun 8p	Cloudy	76°24° (likely 76°24° to 78°26°)	76°24°	0%	12 mph19 km/h from E, gusts 16 mph25 km/h	71%	95%	0
Sun 9p	Cloudy	76°24° (likely 76°24° to 77°25°)	76°24°	0%	12 mph19 km/h from E, gusts 15 mph24 km/h	71%	98%	0
Sun 10p	Cloudy	76°24° (likely 76°24° to 77°25°)	76°24°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	70%	97%	0
Sun 11p	Cloudy	76°24° (likely 74°23° to 78°26°)	76°24°	0%	9 mph14 km/h from E, gusts 15 mph24 km/h	69%	96%	0
Mon 12a	Cloudy	76°24° (likely 75°24° to 77°25°)	76°24°	0%	7 mph11 km/h from E, gusts 14 mph22 km/h	68%	87%	0
Mon 1a	Cloudy	75°24° (likely 74°23° to 77°25°)	75°24°	0%	6 mph10 km/h from E, gusts 11 mph18 km/h	68%	87%	0
Mon 2a	Mostly cloudy	75°24° (likely 74°23° to 77°25°)	75°24°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	69%	49%	0
Mon 3a	Mostly cloudy	74°23° (likely 73°23° to 76°24°)	74°23°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	71%	35%	0
Mon 4a	Mostly cloudy	73°23° (likely 73°23° to 75°24°)	73°23°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	73%	27%	0
Mon 5a	Mostly cloudy	72°22° (likely 72°22° to 75°24°)	72°22°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	75%	51%	0
Mon 6a	Mostly cloudy	72°22° (likely 72°22° to 75°24°)	72°22°	0%	3 mph5 km/h from E, gusts 4 mph7 km/h	76%	26%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 83°28°, low 74°23°. Typical 86°30° / 67°19°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 74°23°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 83°28°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 78°26°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 75°24°
  Dry
Official NWS forecast
Today: Sunny, with a high near 83. East southeast wind 9 to 18 mph.
Tonight: Mostly cloudy, with a low around 74. East southeast wind 10 to 16 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
81°27°–84°29°
Low, likely
72°22°–77°25°
Typical high / low
86°30° / 67°19°
Wind
18 mph29 km/h, gusts 26 mph42 km/h
UV peak
6
Tomorrow, Oct 25. Cloudy. High 82°28°, low 72°22°. Typical 86°30° / 66°19°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 74°23°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 76°24°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 72°22°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 82. East southeast wind 10 to 15 mph.
Night: Mostly cloudy, with a low around 72. East wind 5 to 14 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
82°28°–84°29°
Low, likely
72°22°–78°26°
Typical high / low
86°30° / 66°19°
Wind
17 mph28 km/h, gusts 23 mph37 km/h
UV peak
6
Monday, Oct 26. Mostly cloudy. High 82°28°, low 71°22°. Typical 85°29° / 66°19°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 73°23°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 77°25°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 75°24°
  40% chance · 0.07 in1.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 82. East wind 3 to 10 mph.
Night: A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind 5 to 9 mph. Chance of precipitation is 50%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
80°27°–82°28°
Low, likely
71°22°–76°24°
Typical high / low
85°29° / 66°19°
Wind
16 mph26 km/h
UV peak
7
Tuesday, Oct 27. Thunderstorms. High 81°27°, low 72°22°. Typical 85°29° / 66°19°. Storms 0.31 in7.9 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Showers, 74°24°
  40% chance · 0.19 in4.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 81°27°
  40% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 78°25°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Clear, 74°24°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. East southeast wind 5 to 12 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East southeast wind 3 to 9 mph. Chance of precipitation is 50%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
80°27°–81°27°
Low, likely
72°22°–76°24°
Typical high / low
85°29° / 66°19°
Wind
14 mph23 km/h
UV peak
6
Wednesday, Oct 28. Thunderstorms. High 80°27°, low 72°22°. Typical 85°29° / 66°19°. Storms 0.1 in2.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 76°24°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 82°28°
  20% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Mostly clear, 78°25°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 75°24°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. East wind 3 to 13 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind 6 to 12 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–83°28°
Low, likely
72°22°–77°25°
Typical high / low
85°29° / 66°19°
Wind
14 mph22 km/h, gusts 20 mph32 km/h
UV peak
6
Thursday, Oct 29. Thunderstorms. High 80°27°, low 72°22°. Typical 85°29° / 65°18°. Storms 0.16 in4.1 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 76°24°
  20% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 80°27°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 78°26°
  20% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 76°25°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80. East southeast wind 7 to 16 mph. Chance of precipitation is 30%.
Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–82°28°
Low, likely
72°22°–77°25°
Typical high / low
85°29° / 65°18°
Wind
15 mph25 km/h, gusts 23 mph37 km/h
UV peak
5
Friday, Oct 30. Showers. High 80°27°, low 72°22°. Typical 84°29° / 65°18°. Rain 0.05 in1.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 77°25°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 81°27°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 78°25°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 75°24°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 72.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
79°26°–83°28°
Low, likely
72°22°–78°26°
Typical high / low
84°29° / 65°18°
Wind
15 mph23 km/h, gusts 21 mph33 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 84°29°, low 76°24°. Typical 84°29° / 65°18°. Rain 0.01 in0.3 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 77°25°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 85°29°
  Dry
3. Evening
  6 PM–midnight
  Clear, 79°26°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 77°25°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
82°28°–86°30°
Low, likely
75°24°–79°26°
Typical high / low
84°29° / 65°18°
Wind
17 mph28 km/h
UV peak
6
Sunday, Nov 1. Drizzle. High 84°29°, low 78°26°. Typical 84°29° / 64°18°. Rain 0.06 in1.5 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 79°26°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 85°29°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 80°27°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 77°25°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
81°27°–89°32°
Low, likely
77°25°–80°27°
Typical high / low
84°29° / 64°18°
Wind
17 mph27 km/h, gusts 23 mph37 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 83°28°, low 77°25°. Typical 84°29° / 64°18°. Rain 0.03 in0.8 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 80°27°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 86°30°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 77°25°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
81°27°–85°29°
Low, likely
73°23°–79°26°
Typical high / low
84°29° / 64°18°
Wind
26 mph41 km/h, gusts 32 mph51 km/h
UV peak
5

10 days15 days30 days

The outlook

Today
Dry, high 83°, low 74°.
Tomorrow
Dry, high 82°, low 72°.
Monday
Dry, high 82°, low 71°.
Rest of week
Highs 80–84°; chance of precipitation on Tuesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BRO) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Rio Grande at Lower Brownsville

18 mi

Below flood stage

Level: 2.6 ft
Flow: 98 cfs

Forecast peak 2.6 ft Wed 7 AM

Reading from Sat 6:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 66% less cooling than a typical week.

This week 25Typical 74

Cooling degree days, base 65°F

Comfort

Oppressively humid air (dew point 71°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Brownsville S Padre Island International Airport · official normals 1991–2020 · records 1878–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

−7°−4°SunOct 18
−2°−1°MonOct 19
+1°TueOct 20
+5°+3°WedOct 21
+4°+2°ThuOct 22
+2°+1°FriOct 23
—SatOct 24

Port Isabel weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 20 min; Losing 1 min 24 s a day; shortest Dec 21, 50 min less
Golden hour: 6:21–7:07 PM; Morning 7:18–8:04 AM
Blue hour: 7:07–7:16 PM; Morning 7:09–7:18 AM; first light 7:09 AM

Stars tonight? Fair

Mostly clear 7:16–9 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:55 AM · rises 5:48 PM
Full moon: Oct 25
New moon: Nov 9

Looking east from Port Isabel. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.