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Port St. Lucie, Florida weather · now

88°

Partly Cloudy

Feels
102°
High / Low
95° / 76°
Wind
29 mph S
Humidity
75%
No precipitation expected in the next 1.7 hours.

Precipitation · next 12 hrs

Peak 19% · 6 PM

10 AM
·
·
1 PM
·
·
4 PM
·
·
7 PM
·
9 PM
ModerateAir quality PollenTreeNoneGrassHighWeedLow
Sun 6:34 AM 8:19 PM 13h 46m
Moon Waning Crescent 19% lit

Current weather and 7-day forecast for Port St. Lucie, Florida, sourced directly from the National Weather Service. Expect sunny then slight chance showers and thunderstorms today. Today's high is 95° with a low near 76°. 1 active weather alert in effect.

What to wear today

Loose, light, and water nearby

95°F — wear breathable fabrics and stay hydrated.

Next 24 hours

70° 85° 100° ↑ 94° ↓ 76° 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM 6 AM

  1. 9 AM

    83°

    1%

  2. 11 AM

    90°

    4%

  3. 1 PM

    93°

    10%

  4. 3 PM

    93°

    16%

  5. 5 PM

    92°

    18%

  6. 7 PM

    89°

    8%

  7. 9 PM

    83°

    4%

  8. 11 PM

    81°

    2%

  9. 1 AM

    80°

    1%

  10. 3 AM

    78°

    1%

  11. 5 AM

    77°

    1%

  12. 7 AM

    77°

    3%

Live radar

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7 days

  1. Today 7/10 Sunny then Slight Chance Showers And Thunderstorms 19% 95° · 76°
    1. 10 AM 88° Sunny 3%
    2. 11 AM 90° Sunny 4%
    3. 12 PM 92° Sunny 6%
    4. 1 PM 93° Sunny 10%
    5. 2 PM 93° Slight Chance Showers And Thunderstorms 15%
    6. 3 PM 93° Slight Chance Showers And Thunderstorms 16%
    7. 4 PM 94° Slight Chance Showers And Thunderstorms 16%
    8. 5 PM 92° Slight Chance Showers And Thunderstorms 18%
    9. 6 PM 91° Slight Chance Showers And Thunderstorms 19%
    10. 7 PM 89° Clear 8%
    11. 8 PM 85° Mostly Clear 7%
    12. 9 PM 83° Mostly Clear 4%
    13. 10 PM 82° Clear 3%
    14. 11 PM 81° Clear 2%
  2. Sat 7/11 Sunny then Chance Showers And Thunderstorms 48% 95° · 75°
    1. 12 AM 81° Clear 2%
    2. 1 AM 80° Mostly Clear 1%
    3. 2 AM 79° Mostly Clear 1%
    4. 3 AM 78° Mostly Clear 1%
    5. 4 AM 78° Mostly Clear 2%
    6. 5 AM 77° Mostly Clear 1%
    7. 6 AM 76° Sunny 2%
    8. 7 AM 77° Sunny 3%
    9. 8 AM 80° Sunny 5%
    10. 9 AM 83° Sunny 5%
    11. 10 AM 88° Sunny 13%
    12. 11 AM 90° Sunny 4%
    13. 12 PM 91° Sunny 5%
    14. 1 PM 93° Mostly Sunny 12%
    15. 2 PM 93° Chance Showers And Thunderstorms 48%
    16. 3 PM 92° Chance Showers And Thunderstorms 42%
    17. 4 PM 93° Chance Showers And Thunderstorms 40%
    18. 5 PM 91° Chance Showers And Thunderstorms 45%
    19. 6 PM 91° Chance Showers And Thunderstorms 42%
    20. 7 PM 89° Chance Showers And Thunderstorms 28%
    21. 8 PM 85° Partly Cloudy 13%
    22. 9 PM 82° Mostly Cloudy 13%
    23. 10 PM 81° Partly Cloudy 13%
    24. 11 PM 80° Mostly Clear 13%
  3. Sun 7/12 Sunny then Slight Chance Showers And Thunderstorms 17% 95° · 76°
    1. 12 AM 79° Mostly Clear 13%
    2. 1 AM 78° Mostly Clear 13%
    3. 2 AM 77° Mostly Clear
    4. 3 AM 77° Mostly Clear
    5. 4 AM 76° Mostly Clear
    6. 5 AM 76° Mostly Clear
    7. 6 AM 76° Sunny
    8. 7 AM 77° Sunny
    9. 8 AM 79° Sunny 7%
    10. 9 AM 82° Sunny 7%
    11. 10 AM 86° Sunny 7%
    12. 11 AM 89° Sunny 7%
    13. 12 PM 91° Sunny 7%
    14. 1 PM 93° Sunny 7%
    15. 2 PM 93° Slight Chance Showers And Thunderstorms 17%
    16. 3 PM 94° Slight Chance Showers And Thunderstorms 17%
    17. 4 PM 94° Slight Chance Showers And Thunderstorms 17%
    18. 5 PM 93° Slight Chance Showers And Thunderstorms 17%
    19. 6 PM 91° Slight Chance Showers And Thunderstorms 17%
    20. 7 PM 88° Slight Chance Showers And Thunderstorms 17%
    21. 8 PM 86° Mostly Clear 8%
    22. 9 PM 84° Mostly Clear 8%
    23. 10 PM 82° Mostly Clear 8%
    24. 11 PM 81° Mostly Clear 8%
  4. Mon 7/13 Sunny then Chance Showers And Thunderstorms 32% 95° · 75°
    1. 12 AM 80° Mostly Clear 8%
    2. 1 AM 79° Mostly Clear 8%
    3. 2 AM 78° Mostly Clear 3%
    4. 3 AM 77° Mostly Clear 3%
    5. 4 AM 77° Mostly Clear 3%
    6. 5 AM 76° Mostly Clear 3%
    7. 6 AM 77° Sunny 3%
    8. 7 AM 77° Sunny 3%
    9. 8 AM 79° Sunny 5%
    10. 9 AM 83° Sunny 5%
    11. 10 AM 87° Sunny 5%
    12. 11 AM 90° Sunny 5%
    13. 12 PM 92° Sunny 5%
    14. 1 PM 93° Sunny 5%
    15. 2 PM 93° Chance Showers And Thunderstorms 32%
    16. 3 PM 94° Chance Showers And Thunderstorms 32%
    17. 4 PM 94° Chance Showers And Thunderstorms 32%
    18. 5 PM 93° Chance Showers And Thunderstorms 32%
    19. 6 PM 91° Chance Showers And Thunderstorms 32%
    20. 7 PM 88° Chance Showers And Thunderstorms 32%
    21. 8 PM 87° Chance Showers And Thunderstorms 28%
    22. 9 PM 84° Chance Showers And Thunderstorms 28%
    23. 10 PM 82° Chance Showers And Thunderstorms 28%
    24. 11 PM 80° Chance Showers And Thunderstorms 28%
  5. Tue 7/14 Sunny then Chance Showers And Thunderstorms 27% 95° · 76°
    1. 12 AM 79° Chance Showers And Thunderstorms 28%
    2. 1 AM 78° Chance Showers And Thunderstorms 28%
    3. 2 AM 78° Mostly Clear 2%
    4. 3 AM 77° Mostly Clear 2%
    5. 4 AM 77° Mostly Clear 2%
    6. 5 AM 77° Mostly Clear 2%
    7. 6 AM 77° Sunny 2%
    8. 7 AM 77° Sunny 2%
    9. 8 AM 78° Sunny 2%
    10. 9 AM 81° Sunny 2%
    11. 10 AM 85° Sunny 2%
    12. 11 AM 89° Sunny 2%
    13. 12 PM 91° Sunny 2%
    14. 1 PM 92° Sunny 2%
    15. 2 PM 93° Chance Showers And Thunderstorms 27%
    16. 3 PM 94° Chance Showers And Thunderstorms 27%
    17. 4 PM 94° Chance Showers And Thunderstorms 27%
    18. 5 PM 93° Chance Showers And Thunderstorms 27%
    19. 6 PM 91° Chance Showers And Thunderstorms 27%
    20. 7 PM 89° Chance Showers And Thunderstorms 27%
    21. 8 PM 87° Partly Cloudy 14%
    22. 9 PM 85° Partly Cloudy 14%
    23. 10 PM 83° Partly Cloudy 14%
    24. 11 PM 81° Partly Cloudy 14%
  6. Wed 7/15 Sunny then Chance Showers And Thunderstorms 29% 95° · 76°
    1. 12 AM 80° Partly Cloudy 14%
    2. 1 AM 79° Partly Cloudy 14%
    3. 2 AM 79° Mostly Clear 3%
    4. 3 AM 78° Mostly Clear 3%
    5. 4 AM 77° Mostly Clear 3%
    6. 5 AM 77° Mostly Clear 3%
    7. 6 AM 77° Sunny 3%
    8. 7 AM 77° Sunny 3%
    9. 8 AM 79° Sunny 5%
    10. 9 AM 82° Sunny 5%
    11. 10 AM 86° Sunny 5%
    12. 11 AM 89° Sunny 5%
    13. 12 PM 91° Sunny 5%
    14. 1 PM 92° Sunny 5%
    15. 2 PM 93° Chance Showers And Thunderstorms 29%
    16. 3 PM 94° Chance Showers And Thunderstorms 29%
    17. 4 PM 94° Chance Showers And Thunderstorms 29%
    18. 5 PM 94° Chance Showers And Thunderstorms 29%
    19. 6 PM 92° Chance Showers And Thunderstorms 29%
    20. 7 PM 90° Chance Showers And Thunderstorms 29%
    21. 8 PM 87° Partly Cloudy 12%
    22. 9 PM 85° Partly Cloudy 12%
    23. 10 PM 83° Partly Cloudy 12%
    24. 11 PM 81° Partly Cloudy 12%
  7. Thu 7/16 Sunny then Slight Chance Showers And Thunderstorms 23% 95° · 76°
    1. 12 AM 80° Partly Cloudy 12%
    2. 1 AM 79° Partly Cloudy 12%
    3. 2 AM 79° Mostly Clear 2%
    4. 3 AM 78° Mostly Clear 2%
    5. 4 AM 77° Mostly Clear 2%
    6. 5 AM 77° Mostly Clear 2%
    7. 6 AM 77° Sunny 2%
    8. 7 AM 77° Sunny 2%
    9. 8 AM 79° Sunny 7%
    10. 9 AM 82° Sunny 7%
    11. 10 AM 86° Sunny 7%
    12. 11 AM 90° Sunny 7%
    13. 12 PM 92° Sunny 7%
    14. 1 PM 93° Sunny 7%
    15. 2 PM 93° Slight Chance Showers And Thunderstorms 23%
    16. 3 PM 94° Slight Chance Showers And Thunderstorms 23%
    17. 4 PM 94° Slight Chance Showers And Thunderstorms 23%
    18. 5 PM 94° Slight Chance Showers And Thunderstorms 23%
    19. 6 PM 93° Slight Chance Showers And Thunderstorms 23%
    20. 7 PM 90° Slight Chance Showers And Thunderstorms 23%
    21. 8 PM 88° Partly Cloudy 8%
Extended outlook days 8–16
  1. Fri 7/17 Drizzle 23% 94° · 74°
  2. Sat 7/18 Thunderstorms 27% 93° · 76°
  3. Sun 7/19 Drizzle 34% 93° · 78°
  4. Mon 7/20 Cloudy 31% 91° · 78°
  5. Tue 7/21 Thunderstorms 58% 91° · 77°
  6. Wed 7/22 Drizzle 52% 93° · 77°
  7. Thu 7/23 Drizzle 45% 90° · 76°
  8. Fri 7/24 Drizzle 61% 92° · 76°
  9. Sat 7/25 Drizzle 55% 92° · 75°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

No standout day in the next week — every day has trade-offs.

Sunday, 7/12

Sunny then Slight Chance Showers And Thunderstorms, 95° / 76°

  1. Tomorrow95°75°
  2. Sun95°76°
  3. Mon95°75°
  4. Tue95°76°
  5. Wed95°76°
  6. Thu95°76°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    warm at 76°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Good78 / 100
  • BikeTomorrow 6 AM

    comfortable at 76°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • GolfTomorrow 6 AM

    comfortable at 76°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • PicnicTomorrow 6 AM

    comfortable at 76°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

How well did we do?

Average miss by lead time.

Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.

Same day
±2°
6 days graded
1 day out
±3°
6 days graded
3 days out
±2°
6 days graded
7 days out
±4°
6 days graded
Day-by-day, 1 day out6 days
  1. Yesterday±3°
    High94°91°+3°
    Low77°77°0°
  2. Wed, Jul 8±3°
    High93°91°+2°
    Low76°79°-3°
  3. Tue, Jul 7±3°
    High93°90°+3°
    Low76°75°+1°
  4. Mon, Jul 6±2°
    High92°90°+2°
    Low75°75°0°
  5. Sun, Jul 5±2°
    High91°93°-2°
    Low75°75°0°
  6. Fri, Jul 3±2°
    High92°90°+2°
    Low75°77°-2°

Climate normals

What weather to expect in Port St. Lucie

Port St. Lucie in July typically averages 90° highs and 75° lows, with about 24 days of rain. The hottest stretch is July (average high 90°); the coldest is January (average low 54°). September is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan72°54°11
Feb77°57°10
Mar80°62°16
Apr82°68°13
May89°73°25
Jun87°74°27
Jul90°75°24
Aug90°76°28
Sep87°74°29
Oct82°72°23
Nov80°63°11
Dec77°61°12

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Port St. Lucie

Other cities in Florida

Detailed forecast (NWS)

Today
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 106. Southeast wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Saturday
A chance of showers and thunderstorms after 2pm. Sunny. High near 95, with temperatures falling to around 91 in the afternoon. Heat index values as high as 106. South southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. South wind 0 to 5 mph. Chance of precipitation is 30%.

Forecast details

NWS gridpoint
MLB 71,18
Radar station
KMLB
Time zone
America/New_York
Coordinates
27.294, -80.350