McAllen 7-day weather forecast

Written by:
March 9, 2026
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McAllen 7-day weather forecast

Stacker created the forecast for McAllen, Texas using data from OpenWeather. This week's high is 90 °F on Sunday, while the low is 53 °F on Tuesday. There are expected to be 5 sunny days and precipitation on 0 days this week.

NWS Brownsville TX has issued a fire weather watch until Tuesday at 07:00 PM and a red flag warning until Tuesday at 07:00 PM.

Monday, March 16

- High of 73 °F, low of 54 °F (13% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Strong breeze (30 mph wind)
- Sunrise at 7:41 AM, sunset at 7:42 PM
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Ryzhkov Oleksandr // Shutterstock

Tuesday, March 17

- High of 73 °F, low of 53 °F (31% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:40 AM, sunset at 7:42 PM
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Wednesday, March 18

- High of 77 °F, low of 58 °F (46% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:38 AM, sunset at 7:42 PM
- New moon
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Alex Stemmer // Shutterstock

Thursday, March 19

- High of 79 °F, low of 68 °F (55% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:37 AM, sunset at 7:43 PM
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Piyawat Nandeenopparit // Shutterstock

Friday, March 20

- High of 86 °F, low of 62 °F (42% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:36 AM, sunset at 7:43 PM
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Saturday, March 21

- High of 89 °F, low of 63 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:35 AM, sunset at 7:44 PM
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South12th Photography // Shutterstock

Sunday, March 22

- High of 90 °F, low of 66 °F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:34 AM, sunset at 7:44 PM

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