Port St. Lucie, FL Weather Forecast | 10 Days
Updated: Sat Oct 31st 2026 2:00 PM EDT
Sat, 10-31
81°F
76°F
76°F
Sun, 11-1
80°F
75°F
75°F
Mon, 11-2
76°F
73°F
73°F
Tue, 11-3
80°F
74°F
74°F
Wed, 11-4
81°F
75°F
75°F
Thu, 11-5
81°F
72°F
72°F
Fri, 11-6
81°F
71°F
71°F
Sat, 11-7
78°F
66°F
66°F
Sun, 11-8
77°F
63°F
63°F
Mon, 11-9
77°F
66°F
66°F
Light Rain Shower
Port St. Lucie FL Weather Forecast for Sat 10-31
Light Rain Shower with a high of 81°F and a low of 76°F. It will likey rain, having a 84% chance of a downpour with an estimated 0.41in. Wind will be moderate, blowing around 20mph on average and gusts of 26.2mph at 10 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 84% at 8 PM and 75% being its lowest at 3 PM. Barometric pressure is its highest of 30.12 at 9 PM, a lowest point of 30.06 at 4 PM with an avg 30.09.
- HI: 81°F
- LO: 76°F
- Rain: 84% | est. 0.41in
- Snow: 0%
- Wind
19.7 mph - Humidity
79% avg. - UV Index
6.5 - Air QualityGood
- Sunrise
07:30 AM - Sunset
06:38 PM - Moonrise
11:31 PM - Moonset
12:55 PM - Moon Phase
Last Quarter - Hourly
Light Rain Shower
Port St. Lucie FL Weather Forecast for Sun 11-1
Light Rain Shower with a high of 80°F and a low of 75°F. It will likey rain, having a 87% chance of a downpour with an estimated 1.31in. Winds will be strong at speeds peaking at 21mph and gusts of 26.8mph at 6 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 86% at 1 AM and 74% being its lowest at 11 AM. Barometric pressure is its highest of 30.14 at 9 AM, a lowest point of 30.05 at 4 PM with an avg 30.09.
- HI: 80°F
- LO: 75°F
- Rain: 87% | est. 1.31in
- Snow: 0%
- Wind
20.8 mph - Humidity
80% avg. - UV Index
5.2 - Air QualityGood
- Sunrise
06:31 AM - Sunset
05:37 PM - Moonrise
Does not rise today - Moonset
12:43 PM - Moon Phase
Last Quarter - Hourly
Light Rain Shower
Port St. Lucie FL Weather Forecast for Mon 11-2
Light Rain Shower with a high of 76°F and a low of 73°F. It will likey rain, having a 86% chance of a downpour with an estimated 1.32in. Winds will be strong at speeds peaking at 21mph and gusts of 25.8mph at 8 AM. High humidity with average of 82% is anticipated, the maximum being 89% at 7 AM and 74% being its lowest at 11 PM. Barometric pressure is its highest of 30.1 at 9 AM, a lowest point of 29.97 at 4 PM with an avg 30.04.
- HI: 76°F
- LO: 73°F
- Rain: 86% | est. 1.32in
- Snow: 0%
- Wind
20.4 mph - Humidity
82% avg. - UV Index
1.8 - Air QualityGood
- Sunrise
06:32 AM - Sunset
05:37 PM - Moonrise
Does not rise today - Moonset
01:25 PM - Moon Phase
Last Quarter - Hourly
Isolated Showers
Port St. Lucie FL Weather Forecast for Tue 11-3
Isolated Showers with a high of 80°F and a low of 74°F. It will likey rain, having a 78% chance of a downpour with an estimated 0.26in. Wind will be moderate, blowing around 18mph on average and gusts of 23mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 86% at 4 AM and 69% being its lowest at 12 PM. Barometric pressure is its highest of 30 at 10 AM, a lowest point of 29.92 at 3 PM with an avg 29.96.
- HI: 80°F
- LO: 74°F
- Rain: 78% | est. 0.26in
- Snow: 0%
- Wind
17.7 mph - Humidity
78% avg. - UV Index
5.8 - Air QualityGood
- Sunrise
06:32 AM - Sunset
05:36 PM - Moonrise
12:45 AM - Moonset
02:02 PM - Moon Phase
Waning Crescent - Hourly
Isolated Showers
Port St. Lucie FL Weather Forecast for Wed 11-4
Isolated Showers with a high of 81°F and a low of 75°F. It will likey rain, having a 78% chance of a downpour with an estimated 0.23in. Wind will be moderate, blowing around 18mph on average and gusts of 22.4mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 88% at 4 AM and 69% being its lowest at 8 PM. Barometric pressure is its highest of 29.93 at 10 AM, a lowest point of 29.84 at 4 PM with an avg 29.89.
- HI: 81°F
- LO: 75°F
- Rain: 78% | est. 0.23in
- Snow: 0%
- Wind
17.7 mph - Humidity
77% avg. - UV Index
6 - Air QualityGood
- Sunrise
06:33 AM - Sunset
05:35 PM - Moonrise
01:49 AM - Moonset
02:37 PM - Moon Phase
Waning Crescent - Hourly
Isolated Showers
Port St. Lucie FL Weather Forecast for Thu 11-5
Isolated Showers with a high of 81°F and a low of 72°F. It will likey rain, having a 80% chance of a downpour with an estimated 0.24in. Wind will be moderate, blowing around 11mph on average and gusts of 14.1mph at 12 AM. High humidity with average of 83% is anticipated, the maximum being 93% at 7 AM and 72% being its lowest at 1 PM. Barometric pressure is its highest of 29.87 at 12 AM, a lowest point of 29.78 at 4 PM with an avg 29.82.
- HI: 81°F
- LO: 72°F
- Rain: 80% | est. 0.24in
- Snow: 0%
- Wind
10.5 mph - Humidity
83% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:34 AM - Sunset
05:34 PM - Moonrise
02:51 AM - Moonset
03:10 PM - Moon Phase
Waning Crescent - Hourly
Isolated Showers
Port St. Lucie FL Weather Forecast for Fri 11-6
Isolated Showers with a high of 81°F and a low of 71°F. Rainfall expected to have a 57% chance with an estimated 0.04in. Winds will be light at 9mph and gusts of 17mph at 8 PM. High humidity with average of 82% is anticipated, the maximum being 94% at 7 AM and 67% being its lowest at 1 PM. Barometric pressure is its highest of 29.83 at 11 PM, a lowest point of 29.79 at 4 PM with an avg 29.81.
- HI: 81°F
- LO: 71°F
- Rain: 57% | est. 0.04in
- Snow: 0%
- Wind
8.7 mph - Humidity
82% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:34 AM - Sunset
05:34 PM - Moonrise
03:54 AM - Moonset
03:44 PM - Moon Phase
Waning Crescent - Hourly
Sunny
Port St. Lucie FL Weather Forecast for Sat 11-7
Sunny with a high of 78°F and a low of 66°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 9mph and gusts of 15.9mph at 12 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 90% at 7 AM and 57% being its lowest at 1 PM. Barometric pressure is its highest of 29.91 at 11 PM, a lowest point of 29.84 at 1 AM with an avg 29.87.
- HI: 78°F
- LO: 66°F
- Rain: 8%
- Snow: 0%
- Wind
8.1 mph - Humidity
76% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:35 AM - Sunset
05:33 PM - Moonrise
04:56 AM - Moonset
04:20 PM - Moon Phase
New Moon - Hourly
Sunny
Port St. Lucie FL Weather Forecast for Sun 11-8
Sunny with a high of 77°F and a low of 63°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 8mph and gusts of 12.2mph at 4 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 87% at 7 AM and 53% being its lowest at 1 PM. Barometric pressure is its highest of 29.95 at 7 AM, a lowest point of 29.91 at 1 AM with an avg 29.93.
- HI: 77°F
- LO: 63°F
- Rain: 6%
- Snow: 0%
- Wind
7.4 mph - Humidity
72% avg. - UV Index
6 - Air QualityTBA
- Sunrise
06:36 AM - Sunset
05:33 PM - Moonrise
06:00 AM - Moonset
04:59 PM - Moon Phase
New Moon - Hourly
Partly Cloudy
Port St. Lucie FL Weather Forecast for Mon 11-9
Partly Cloudy with a high of 77°F and a low of 66°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 4mph and gusts of 16.4mph at 7 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 83% at 7 AM and 59% being its lowest at 4 PM. Barometric pressure is its highest of 29.94 at 10 PM, a lowest point of 29.9 at 4 PM with an avg 29.92.
- HI: 77°F
- LO: 66°F
- Rain: 10%
- Snow: 0%
- Wind
4 mph - Humidity
72% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:37 AM - Sunset
05:32 PM - Moonrise
07:04 AM - Moonset
05:42 PM - Moon Phase
New Moon - Hourly
This 10-Day weather forecast is valid for ZIP code 34592, accurately covering the area of Port St. Lucie, FL.
Currently
|
81°F |
30.07 inHg.
Barometer 75%
Humidity E 27.4 mph Wind |
| Isolated Showers | ||
National Outlook
Heavy Rain and Flash Flooding in the Southwest from 10-31 to 11-02
Sat Oct 31st 2026, 5:27am PDT
Read
Storm System to Bring Heavy Rain to Central and East USA 11-03-2026 to 11-07-2026
Extended Forecast
Sat Oct 31st 2026, 5:40am PDT
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Sat Oct 31st 2026, 5:40am PDT
Weather Forecast Nearby
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