McAllen 7-day weather forecast

Written by:
March 23, 2026
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McAllen 7-day weather forecast

created the forecast for McAllen, Texas using data from . This week's high is 98 掳F on Thursday, while the low is 66 掳F on Sunday. There are expected to be 2 sunny days and rain on 7 days this week.

There are currently no weather alerts.

Monday, May 18

- High of 94 掳F, low of 79 掳F (52% humidity)
- Partly cloudy with a 100% chance of rain (8 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Strong breeze (26 mph wind)
- Sunrise at 6:45 AM, sunset at 8:13 PM
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Tuesday, May 19

- High of 97 掳F, low of 78 掳F (45% humidity)
- Partly sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:44 AM, sunset at 8:14 PM
2 / 6
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Wednesday, May 20

- High of 97 掳F, low of 77 掳F (40% humidity)
- Mostly sunny with a 100% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:44 AM, sunset at 8:14 PM
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Thursday, May 21

- High of 98 掳F, low of 78 掳F (41% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:43 AM, sunset at 8:15 PM
4 / 6
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Friday, May 22

- High of 93 掳F, low of 73 掳F (56% humidity)
- Partly cloudy with a 100% chance of rain (45 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:43 AM, sunset at 8:16 PM
5 / 6
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Saturday, May 23

- High of 91 掳F, low of 77 掳F (55% humidity)
- Overcast with a 100% chance of rain (15 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:43 AM, sunset at 8:16 PM
- First quarter moon
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Sunday, May 24

- High of 93 掳F, low of 66 掳F (53% humidity)
- Sunny with a 100% chance of rain (67 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:42 AM, sunset at 8:17 PM

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