Port St. Lucie 7-day weather forecast

Written by:
June 8, 2026
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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 91 °F on Wednesday, while the low is 76 °F on Tuesday. There are expected to be 2 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, July 20

- High of 90 °F, low of 78 °F (50% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:38 AM, sunset at 8:16 PM
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Tuesday, July 21

- High of 89 °F, low of 76 °F (53% humidity)
- Overcast with a 70% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:39 AM, sunset at 8:16 PM
- First quarter moon
2 / 6
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Wednesday, July 22

- High of 91 °F, low of 78 °F (54% humidity)
- Mostly sunny with a 89% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:39 AM, sunset at 8:15 PM
3 / 6
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Thursday, July 23

- High of 89 °F, low of 78 °F (58% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:40 AM, sunset at 8:15 PM
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Friday, July 24

- High of 90 °F, low of 78 °F (55% humidity)
- Partly sunny with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 6:40 AM, sunset at 8:14 PM
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Saturday, July 25

- High of 89 °F, low of 77 °F (59% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 6:41 AM, sunset at 8:14 PM
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6 / 6
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Sunday, July 26

- High of 91 °F, low of 77 °F (56% humidity)
- Partly sunny with a 100% chance of rain (6 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 6:41 AM, sunset at 8:13 PM

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