MCALLEN, TX 78503 Weather Forecast & Current Conditions

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MCALLEN, TX
Current Weather

11:53 PM CDT AUG 23, 2026
Clear
84°F
Feels Like: 90°F
Dewpoint: 73°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: SSE at 10 mph
Pressure: 30.01 inches
Last 72 hours

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MCALLEN, TX 78503
Weather Forecast

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THIS AFTERNOON
Sunny, hot. Near steady temperature around 101. Southeast winds 5 to 10 mph with gusts up to 20 mph.
TONIGHT
Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 106 early in the evening.
MONDAY
Sunny, hot with highs around 102. Southeast winds 10 to 15 mph. Heat index values up to 108.
MONDAY NIGHT
Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening.
TUESDAY
Sunny, hot with highs around 102. Southeast winds 10 to 15 mph. Heat index values up to 110.
TUESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny, hot with highs around 100. Heat index values up to 110.
WEDNESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
THURSDAY
Sunny, hot with highs around 100.
THURSDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SATURDAY
Sunny, hot with highs around 100. Heat index values up to 110.

Visible Weather Satellite
MCALLEN, TX 78503
Infrared Weather Satellite
MCALLEN, TX 78503
NEXRAD Weather Radar
MCALLEN, TX 78503

MCALLEN, TX 3 hourly weather forecast

weather forecast created  8:00 PM EDT  8/23/2026
Monday
24 AUG 2026
MCALLEN, TX 78503 weather forecast Day 1, 0 hours 1 AM 83° 90° Clear 0%

0% Thunder
( 0% severe)
SSE   10 77% 75°
Low 78° MCALLEN, TX 78503 weather forecast Day 1, 3 hours 4 AM 81° 87° Clear SSE   9 82% 75°
High 104° MCALLEN, TX 78503 weather forecast Day 1, 6 hours 7 AM 79° 83° Partly Cloudy 0%

0% Thunder
( 1% severe)
SE   8 88% 75°

Clear



MCALLEN, TX 78503 weather forecast Day 1, 9 hours 10 AM 88° 97° Clear SSE   10 63% 74°
MCALLEN, TX 78503 weather forecast Day 1, 12 hours 1 PM 98° 103° Clear 3%

0% Thunder
( 14% severe)
SE   9 37% 67°
MCALLEN, TX 78503 weather forecast Day 1, 15 hours 4 PM 101° 105° Clear ESE   13 32% 66°
MCALLEN, TX 78503 weather forecast Day 1, 18 hours 7 PM 96° 100° Clear 0%

0% Thunder
( 3% severe)
SE   18 38% 66°
MCALLEN, TX 78503 weather forecast Day 1, 21 hours 10 PM 86° 91° Clear SE   15 61% 71°
Tuesday
25 AUG 2026
MCALLEN, TX 78503 weather forecast Day 2, 0 hours 1 AM 82° 89° Clear 0%

0% Thunder
( 1% severe)
SSE   12 79% 75°
Low 79° MCALLEN, TX 78503 weather forecast Day 2, 3 hours 4 AM 81° 87° Clear SSE   10 82% 75°
High 104° MCALLEN, TX 78503 weather forecast Day 2, 6 hours 7 AM 79° 83° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSE   9 88% 75°

Partly Cloudy



MCALLEN, TX 78503 weather forecast Day 2, 9 hours 10 AM 88° 98° Clear SSE   12 66% 75°
MCALLEN, TX 78503 weather forecast Day 2, 12 hours 1 PM 99° 106° Partly Cloudy 1%

0% Thunder
( 17% severe)
SE   12 38% 69°
MCALLEN, TX 78503 weather forecast Day 2, 15 hours 4 PM 102° 107° Clear SE   14 32% 67°
MCALLEN, TX 78503 weather forecast Day 2, 18 hours 7 PM 96° 102° Clear 0%

0% Thunder
( 3% severe)
SE   20 42% 69°
MCALLEN, TX 78503 weather forecast Day 2, 21 hours 10 PM 86° 93° Clear SE   16 65% 73°

MCALLEN, TX extended weather forecast

BAD DAY
BAD DATE
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Low 77° Low 79° Low 80° Low 80° Low 78°
High 102° High 102° High 102° High 101° High 99°
MCALLEN, TX 78503 weather forecast Day 3 MCALLEN, TX 78503 weather forecast Day 4 MCALLEN, TX 78503 weather forecast Day 5 MCALLEN, TX 78503 weather forecast Day 6 MCALLEN, TX 78503 weather forecast Day 7
Clear
11% Rain
Clear
15% Rain
Clear
18% Rain
Partly Cloudy
21% Rain
Partly Cloudy
19% Rain
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