Melbourne, Florida 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Melbourne FL
National Weather Service Forecast for:
Melbourne FL
Issued by: National Weather Service Melbourne, FL |
Updated: 11:14 pm EDT Aug 12, 2025 |
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Overnight
 Partly Cloudy
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Wednesday
 Sunny then Chance T-storms
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Wednesday Night
 Chance T-storms then Partly Cloudy
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Thursday
 Sunny then Chance T-storms
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Thursday Night
 Chance T-storms then Partly Cloudy
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Friday
 Sunny then Chance T-storms
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Friday Night
 Chance T-storms then Mostly Clear
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Saturday
 Chance T-storms
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Saturday Night
 Chance T-storms then Chance Showers
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Lo 78 °F |
Hi 93 °F |
Lo 78 °F |
Hi 93 °F |
Lo 78 °F |
Hi 93 °F |
Lo 78 °F |
Hi 93 °F |
Lo 78 °F |
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Overnight
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Partly cloudy, with a low around 78. South southwest wind around 5 mph. |
Wednesday
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A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 10 mph becoming east southeast in the afternoon. |
Wednesday Night
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A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph. |
Thursday
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A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 106. South southwest wind 5 to 10 mph becoming east in the afternoon. |
Thursday Night
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A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. South wind 5 to 10 mph. |
Friday
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A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Southwest wind 5 to 10 mph becoming east in the afternoon. |
Friday Night
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A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78. Southeast wind 5 to 10 mph. |
Saturday
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A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 93. South wind 5 to 10 mph becoming east in the afternoon. |
Saturday Night
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A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph. |
Sunday
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A 50 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. South wind 5 to 10 mph becoming east in the afternoon. |
Sunday Night
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A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. East wind around 5 mph. |
Monday
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A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Northwest wind 5 to 10 mph becoming east northeast in the afternoon. |
Monday Night
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A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. East northeast wind 5 to 10 mph. |
Tuesday
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A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph. |
Forecast from NOAA-NWS
for Melbourne FL.
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Weather Forecast Discussion
496
FXUS62 KMLB 130005
AFDMLB
Area Forecast Discussion
National Weather Service Melbourne FL
805 PM EDT Tue Aug 12 2025
...New AVIATION...
.KEY MESSAGES...
Issued at 800 PM EDT Tue Aug 12 2025
- Temperatures trending hotter each day with heat indices 102 to
107+, especially from Thursday into the weekend
- Near normal rain and lightning storm chances, focused along the
sea breeze, with higher coverage forecast across the interior
each afternoon/evening
- A Moderate risk of rip currents will continue at all area
beaches this week
&&
.PREVIOUS DISCUSSION...
Issued at 245 PM EDT Tue Aug 12 2025
Now-Tonight...Scattered showers and storms are off to an earlier
start today, compared to yesterday, due to an uptick in available
moisture. The east coast sea breeze and associated storm outflow
have provided for additional development west of the I-95 corridor
in the last hour or so, and westward trends are forecast to continue
through early evening. Northward storm motion around 15 mph is
keeping rain amounts manageable, but on occasion, several showers or
storms are moving over the same location. Where this does occur, up
to 1-2" of rainfall are possible (with isolated amounts to 3").
Gusty winds are also a possibility as DCAPE approaches 1000 J/kg in
a few spots, along with cloud-to-ground lightning strikes.
Temperatures (outside of storms) have reached the low 90s over a
large portion of east central Florida this afternoon. Combined with
the plentiful moisture over the FL Peninsula, heat indices are
reaching the low to mid 100 once again. As showers and storms
gradually dissipate post-sunset, these warm temps will retreat into
the 70s overnight.
Wednesday-Thursday...Ridging strengthens overhead by the middle of
the week, reinforcing a weakened pressure gradient and south-
southeasterly surface flow. PW closer to 2"+ look to reside most
prominently along and north of the I-4 corridor during this period,
extending southwestward toward the Tampa region. With the
development of the east coast sea breeze each afternoon, isolated to
scattered showers are forecast along the boundary, moving
progressively inland. Higher rain chances exist from the Orlando
metro westward (50-60%), where additional boundary collisions could
lead to further convective initiation. With H5 temps remaining warm
(-5C), showers and storms will continually struggle to become better
organized. However, brief gusty winds, occasional lightning strikes,
and heavy downpours remain possible.
Temperatures keep climbing each day, with the warmest of these days
being Thursday. Over a large portion of the area, maximum heat index
values are forecast to reach the mid 100s Wednesday, approaching
Heat Advisory levels (108 degrees) by Thursday afternoon. We will
continue to monitor the potential for heat-related headlines later
in the week, but regardless, start taking breaks in air conditioning
and staying hydrated through the week. A several day stretch of
above normal temperatures do look to make a comeback, beginning
Thursday.
Friday-Monday (modified previous)...Mid-level high pressure in
the eastern Gulf will slowly shift west and northward through the
period. At the surface, high pressure over the western Atlantic
will slowly shift northward as Tropical Cyclone Erin approaches
the Leeward Islands into early next week. Locally, E/SE winds will
dominate each day with wind speeds generally 10 mph or less.
Winds will back offshore during the overnight hours through
Saturday. A slight increase in low level moisture is forecast this
weekend into early next week, with PW values around 1.8-2.1"
(highest values are forecast around the I-4 corridor). This will
support convection each afternoon and evening. There is a low to
medium (20-50 percent) chance of rain and storm on Friday, and a
medium (40-60 percent) chance for rain and storms Saturday through
Monday, with the greatest coverage occurring across the interior
each day.
Warm and humid conditions will continue into early next week.
Afternoon highs will reach the low to mid 90s each day. These
temperatures, coupled with higher humidity, will produce peak heat
indices of 102-107 degrees each afternoon. The potential exists for
isolated higher values (up to 109 degrees), especially Friday and
Saturday across northern portions of the CWA, which could reach
Heat Advisory levels...so will continue to closely monitor this
trend. Overnight conditions will remain warm and muggy with lows
generally in the low to mid 70s.
&&
.MARINE...
Issued at 245 PM EDT Tue Aug 12 2025
Boating conditions remain generally favorable through the first half
of the weekend with seas around 2-3 ft and light south-southeasterly
winds during the day backing to the west-southwest each night. High
pressure builds overhead through the week, slowly breaking down
later in the weekend. Rain and lightning storm chances are forecast
near typical values for this time of year (30-40%), with the highest
coverage across interior Florida. Where storms do occur, lightning
strikes, gusty winds, and locally higher seas may result.
&&
.AVIATION...
(00Z TAFs)
Issued at 800 PM EDT Tue Aug 12 2025
East to southeast flow this evening will veer south to southwest
by sunrise Wed. An east to southeast sea breeze around 10 knots
will develop at coastal terminals btwn 15Z-17Z, reaching MCO/SFB
aft 19Z. Scattered TSRA should be focused on the north and
interior terminals late in the afternoon lingering into the early
evening.
&&
.PRELIMINARY POINT TEMPS/POPS...
DAB 76 92 76 93 / 30 50 10 40
MCO 76 95 77 95 / 30 60 30 50
MLB 77 92 77 92 / 30 40 10 30
VRB 75 93 75 93 / 20 30 10 30
LEE 77 93 78 94 / 40 60 20 50
SFB 76 94 77 95 / 30 50 20 50
ORL 77 94 78 96 / 30 60 30 50
FPR 74 92 74 93 / 20 40 10 30
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...None.
AM...None.
&&
$$
DISCUSSION...Schaper
AVIATION...Kelly
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