Brownsville 7-day weather forecast

Written by:
March 9, 2026
ESOlex // Shutterstock

Brownsville 7-day weather forecast

Stacker created the forecast for Brownsville, Texas using data from OpenWeather. This week's high is 84 °F on Saturday, while the low is 54 °F on Tuesday. There are expected to be 4 sunny days and rain on 1 day 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 75 °F, low of 55 °F (30% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Near gale (35 mph wind)
- Sunrise at 7:38 AM, sunset at 7:39 PM
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Tuesday, March 17

- High of 69 °F, low of 54 °F (37% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:37 AM, sunset at 7:39 PM
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Cari Rubin Photography // Shutterstock

Wednesday, March 18

- High of 73 °F, low of 60 °F (51% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:36 AM, sunset at 7:40 PM
- New moon
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Alex Stemmer // Shutterstock

Thursday, March 19

- High of 76 °F, low of 67 °F (57% humidity)
- Overcast with a 79% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:34 AM, sunset at 7:40 PM
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Friday, March 20

- High of 82 °F, low of 63 °F (41% humidity)
- 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 7:33 AM, sunset at 7:40 PM
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Piyawat Nandeenopparit // Shutterstock

Saturday, March 21

- High of 84 °F, low of 64 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:32 AM, sunset at 7:41 PM
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AnnaElizabeth photography // Shutterstock

Sunday, March 22

- High of 84 °F, low of 67 °F (42% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:31 AM, sunset at 7:41 PM

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