Port St. Lucie 7-day weather forecast

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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 Sunday. There are expected to be 2 sunny days and rain on 7 days this week.

NWS Melbourne FL has issued a flood watch until Tuesday at 08:00 PM.

Monday, October 6

- High of 84 °F, low of 79 °F (77% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:16 AM, sunset at 7:02 PM
- Full moon
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1 / 6
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Tuesday, October 7

- High of 82 °F, low of 77 °F (75% humidity)
- Partly sunny with a 100% chance of rain (11 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 7:17 AM, sunset at 7:01 PM
2 / 6
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Wednesday, October 8

- High of 83 °F, low of 78 °F (73% humidity)
- Fair with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:17 AM, sunset at 7:00 PM
3 / 6
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Thursday, October 9

- High of 84 °F, low of 77 °F (69% humidity)
- Mostly sunny with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:18 AM, sunset at 6:58 PM
4 / 6
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Friday, October 10

- High of 84 °F, low of 77 °F (66% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:18 AM, sunset at 6:57 PM
5 / 6
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Saturday, October 11

- High of 83 °F, low of 75 °F (63% humidity)
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:19 AM, sunset at 6:56 PM
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6 / 6
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Sunday, October 12

- High of 80 °F, low of 72 °F (67% humidity)
- Partly cloudy with a 28% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:19 AM, sunset at 6:55 PM

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