Port St. Lucie 7-day weather forecast

Written by:
September 29, 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 84 °F on Monday, while the low is 72 °F on Monday. There are expected to be 5 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, October 20

- High of 84 °F, low of 72 °F (70% humidity)
- Fair with a 45% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:24 AM, sunset at 6:47 PM
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1 / 6
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Tuesday, October 21

- High of 84 °F, low of 75 °F (63% humidity)
- Fair with a 44% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:24 AM, sunset at 6:47 PM
- New moon
2 / 6
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Wednesday, October 22

- High of 84 °F, low of 74 °F (59% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:25 AM, sunset at 6:46 PM
3 / 6
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Thursday, October 23

- High of 81 °F, low of 75 °F (56% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:25 AM, sunset at 6:45 PM
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Friday, October 24

- High of 81 °F, low of 76 °F (66% humidity)
- Partly sunny with a 82% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 7:26 AM, sunset at 6:44 PM
5 / 6
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Saturday, October 25

- High of 82 °F, low of 75 °F (64% humidity)
- Sunny with a 100% chance of rain (7 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:27 AM, sunset at 6:43 PM
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6 / 6
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Sunday, October 26

- High of 80 °F, low of 75 °F (70% humidity)
- Partly cloudy with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:27 AM, sunset at 6:42 PM

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