Port St. Lucie 7-day weather forecast

Written by:
August 4, 2025
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Port St. Lucie 7-day weather forecast

Stacker created the forecast for Port St. Lucie, Florida using data from OpenWeather. This week's high is 93 °F on Monday, while the low is 73 °F on Saturday. There is expected to be 1 sunny day and rain on 7 days this week.

There are currently no weather alerts.

Monday, August 4

- High of 93 °F, low of 79 °F (51% humidity)
- Sunny with a 74% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:46 AM, sunset at 8:08 PM
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1 / 6
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Tuesday, August 5

- High of 91 °F, low of 78 °F (56% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:47 AM, sunset at 8:07 PM
2 / 6
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Wednesday, August 6

- High of 89 °F, low of 79 °F (57% humidity)
- Mostly cloudy with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:48 AM, sunset at 8:06 PM
3 / 6
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Thursday, August 7

- High of 86 °F, low of 77 °F (63% humidity)
- Mostly cloudy with a 100% chance of rain (10 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:48 AM, sunset at 8:05 PM
4 / 6
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Friday, August 8

- High of 88 °F, low of 76 °F (58% humidity)
- Partly cloudy with a 100% chance of rain (28 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 6:49 AM, sunset at 8:05 PM
5 / 6
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Saturday, August 9

- High of 81 °F, low of 73 °F (83% humidity)
- Overcast with a 100% chance of rain (14 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 6:49 AM, sunset at 8:04 PM
- Full moon
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6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, August 10

- High of 84 °F, low of 75 °F (72% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 6:50 AM, sunset at 8:03 PM

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