Port St. Lucie 7-day weather forecast

Written by:
March 23, 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 83 °F on Monday, while the low is 58 °F on Monday. There are expected to be 6 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, March 23

- High of 83 °F, low of 58 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:22 AM, sunset at 7:33 PM
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1 / 6
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Tuesday, March 24

- High of 80 °F, low of 61 °F (46% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:20 AM, sunset at 7:34 PM
2 / 6
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Wednesday, March 25

- High of 80 °F, low of 66 °F (51% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:19 AM, sunset at 7:34 PM
- First quarter moon
3 / 6
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Thursday, March 26

- High of 77 °F, low of 68 °F (60% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:18 AM, sunset at 7:35 PM
4 / 6
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Friday, March 27

- High of 79 °F, low of 68 °F (58% humidity)
- Mostly sunny with a 20% chance of rain (0 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 7:17 AM, sunset at 7:35 PM
5 / 6
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Saturday, March 28

- High of 78 °F, low of 68 °F (58% humidity)
- Sunny with a 100% chance of rain (4 mm of rain)
- Fresh breeze (24 mph wind)
- Sunrise at 7:16 AM, sunset at 7:36 PM
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6 / 6
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Sunday, March 29

- High of 71 °F, low of 68 °F (72% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Strong breeze (25 mph wind)
- Sunrise at 7:15 AM, sunset at 7:36 PM

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