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Port St. Lucie, Florida 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Port St. Lucie FL
National Weather Service Forecast for:
Port St. Lucie FL
Issued by: National Weather Service Melbourne, FL |
| Updated: 7:39 pm EDT May 14, 2025 |
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Tonight
Mostly Clear
then Patchy
Fog
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Thursday
Patchy Fog
then Sunny
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Thursday
Night
Mostly Clear
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Friday
Sunny
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Friday
Night
Partly Cloudy
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Saturday
Mostly Sunny
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Saturday
Night
Mostly Clear
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Sunday
Sunny
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Sunday
Night
Mostly Clear
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| Lo 67 °F |
Hi 89 °F |
Lo 68 °F |
Hi 91 °F |
Lo 70 °F |
Hi 92 °F |
Lo 71 °F |
Hi 92 °F |
Lo 72 °F |
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Tonight
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Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. East southeast wind around 5 mph becoming calm in the evening. |
Thursday
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Patchy fog before 9am. Otherwise, sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. |
Thursday Night
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Mostly clear, with a low around 68. Southeast wind around 5 mph becoming calm in the evening. |
Friday
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Sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. |
Friday Night
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Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening. |
Saturday
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Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. |
Saturday Night
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Mostly clear, with a low around 71. Southeast wind around 5 mph. |
Sunday
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Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon. |
Sunday Night
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Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. |
Monday
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Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. |
Monday Night
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Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. |
Tuesday
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Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon. |
Tuesday Night
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Partly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm in the evening. |
Wednesday
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Mostly sunny, with a high near 91. Light south southeast wind becoming southeast 5 to 10 mph in the afternoon. |
Forecast from NOAA-NWS
for Port St. Lucie FL.
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Weather Forecast Discussion
775
FXUS62 KMLB 142343
AFDMLB
Area Forecast Discussion
National Weather Service Melbourne FL
743 PM EDT Wed May 14 2025
...New AVIATION...
.KEY MESSAGES...
Issued at 247 PM EDT Wed May 14 2025
- Dry and increasingly warm conditions forecast for East Central
Florida as afternoon highs push well into the 90s this weekend
and early next week.
- A Moderate HeatRisk will affect individuals sensitive to heat,
especially those without effective cooling and/ or adequate
hydration.
&&
.PREVIOUS DISCUSSION...
Issued at 247 PM EDT Wed May 14 2025
Current-Tonight... Temperatures are observed in the low to mid
80s early this afternoon, and areas across the interior are
already starting to touch the upper 80s. Calm conditions are
expected through the evening and overnight with lows falling into
the mid to upper 60s. However, a few areas will struggle to fall
below 70. Will be monitoring conditions for patchy fog development
overnight as winds become light and variable and dew point
depressions near zero. Current model guidance has suggested the
greatest potential for fog across portions of the western
peninsula, and have introduced patchy fog across areas of Lake
county should any fog drift eastward. Have also added patchy fog
along the Treasure Coast, as the forecasted conditions generally
favor periods of ground fog there.
Thursday-Friday... A mid to upper level ridge axis builds eastward
across the Gulf late week, stretching across central Florida by
Friday. At the surface, weak high pressure extends across the Gulf
and the central Atlantic. A period of hot and dry weather will
persist. High temperatures in the low to mid 90s Thursday warm
into the mid 90s areawide on Friday. Light southwest winds become
variable at times in vicinity of the surface ridge axis. Muggy
morning temperatures are forecast to range the mid 60s to low 70s.
Saturday-Tuesday... High pressure holds control through the extended
forecast. A period of above normal temperatures continues with no
mentionable rain chances. A Moderate HeatRisk is expected to
build Saturday and into early next week as afternoon highs peak in
the mid to upper 90s. A sagging surface boundary across the
southeast U.S. will increase moisture from Sunday onward
resulting in peak heat index values between 100-105. This level of
heat affects most individuals sensitive to heat, especially those
without effective cooling and/ or adequate hydration. Morning
temperatures remain mild, mostly in the upper 60s to low 70s.
&&
.MARINE...
Issued at 247 PM EDT Wed May 14 2025
Tonight-Sunday... High pressure holds control promoting favorable
boating conditions through the period. South to southwest winds back
south to southeast each afternoon while generally remaining 10 kts
or less. Seas of 2-3 ft persist into early next week. Dry with no
mentionable rain chances.
&&
.AVIATION...
(00Z TAFs)
Issued at 743 PM EDT Wed May 14 2025
VFR conditions are generally forecast tonight into Thursday. High
pressure extending across the West Atlantic and Florida will
maintain dry conditions through the period. Lighter winds tonight
may allow for some patchy fog development leading to tempo
IFR/MVFR conditions, mainly between 9-13Z. Greatest potential for
any fog is NW of I-4 and have kept a tempo group for MVFR
visibilities at KLEE. However, not much model support elsewhere
to include in the TAFs at this time. However, can`t rule out
additional terminals seeing patchy fog late tonight through early
Thursday morning.
Winds will be light and variable overnight, becoming S/SW 5-7
knots late morning, and then winds switching to E/SE along the
coast up to around 10 knots with the east coast sea breeze in the
afternoon.
&&
.PRELIMINARY POINT TEMPS/POPS...
DAB 66 92 67 94 / 0 0 0 0
MCO 68 93 70 95 / 0 0 0 0
MLB 70 89 70 90 / 0 0 0 0
VRB 68 89 69 91 / 0 0 0 0
LEE 68 93 70 94 / 0 0 0 0
SFB 68 94 69 96 / 0 0 0 0
ORL 70 94 71 96 / 0 0 0 0
FPR 68 89 68 90 / 0 0 0 0
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...None.
AM...None.
&&
$$
DISCUSSION...Law
AVIATION...Weitlich
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