Port St. Lucie 7-day weather forecast

Written by:
June 8, 2026
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Port St. Lucie 7-day weather forecast

created the forecast for Port St. Lucie, Florida using data from . This week's high is 90 掳F on Monday, while the low is 70 掳F on Monday. There is expected to be 1 sunny day and rain on 7 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 90 掳F, low of 70 掳F (58% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:46 AM, sunset at 8:08 PM
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Valeriy Boyarskiy // Shutterstock

Tuesday, August 4

- High of 89 掳F, low of 71 掳F (57% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:46 AM, sunset at 8:08 PM
2 / 6
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Wednesday, August 5

- High of 86 掳F, low of 77 掳F (80% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:47 AM, sunset at 8:07 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 89 掳F, low of 80 掳F (63% humidity)
- Partly cloudy with a 75% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:47 AM, sunset at 8:06 PM
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Friday, August 7

- High of 87 掳F, low of 80 掳F (67% humidity)
- Mostly sunny with a 77% chance of rain (3 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 6:48 AM, sunset at 8:06 PM
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Saturday, August 8

- High of 88 掳F, low of 80 掳F (64% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:48 AM, sunset at 8:05 PM
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6 / 6
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Sunday, August 9

- High of 89 掳F, low of 79 掳F (58% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 6:49 AM, sunset at 8:04 PM

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