McAllen 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

McAllen 7-day weather forecast

Stacker created the forecast for McAllen, Texas using data from OpenWeather. This week's high is 105 °F on Wednesday, while the low is 77 °F on Tuesday. There are expected to be 4 sunny days and rain on 1 day this week.

NWS Brownsville TX has issued a special weather statement until Tuesday at 07:00 PM.

Monday, July 20

- High of 101 °F, low of 79 °F (25% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:52 AM, sunset at 8:25 PM
1 / 6
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Tuesday, July 21

- High of 101 °F, low of 77 °F (24% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:52 AM, sunset at 8:25 PM
- First quarter moon
2 / 6
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Wednesday, July 22

- High of 105 °F, low of 77 °F (24% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:53 AM, sunset at 8:25 PM
3 / 6
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Thursday, July 23

- High of 92 °F, low of 81 °F (45% humidity)
- Overcast with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:53 AM, sunset at 8:24 PM
4 / 6
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Friday, July 24

- High of 102 °F, low of 77 °F (25% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:54 AM, sunset at 8:24 PM
5 / 6
Andrzej Kubik // Shutterstock

Saturday, July 25

- High of 102 °F, low of 77 °F (29% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:54 AM, sunset at 8:23 PM
6 / 6
Maxim Grohotov // Shutterstock

Sunday, July 26

- High of 102 °F, low of 78 °F (34% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:55 AM, sunset at 8:23 PM

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