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Greenville, North Carolina 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Greenville NC
National Weather Service Forecast for: Greenville NC
Issued by: National Weather Service Morehead City, NC
Updated: 2:25 am EDT Sep 12, 2026
 
Today

Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Showers
Likely
Tonight

Tonight: Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 73. Light south wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
Showers
Sunday

Sunday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 89. Southwest wind 3 to 8 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Monday

Monday: Sunny, with a high near 90. Calm wind becoming north 5 to 8 mph in the morning.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 63.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 83.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 85.
Sunny

Hi 90 °F Lo 73 °F Hi 89 °F Lo 71 °F Hi 90 °F Lo 63 °F Hi 83 °F Lo 61 °F Hi 85 °F

Hazardous Weather Outlook
 

Today
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A slight chance of thunderstorms, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Monday
 
Sunny, with a high near 90. Calm wind becoming north 5 to 8 mph in the morning.
Monday Night
 
Mostly clear, with a low around 63.
Tuesday
 
Sunny, with a high near 83.
Tuesday Night
 
Mostly clear, with a low around 61.
Wednesday
 
Sunny, with a high near 85.
Wednesday Night
 
Clear, with a low around 62.
Thursday
 
Sunny, with a high near 87.
Thursday Night
 
Mostly clear, with a low around 66.
Friday
 
Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Greenville NC.

Weather Forecast Discussion
392
FXUS62 KMHX 121049
AFDMHX

Area Forecast Discussion
National Weather Service Newport/Morehead City NC
649 AM EDT Sat Sep 12 2026

.WHAT HAS CHANGED...
No major changes with this update.

&&

.KEY MESSAGES...
1) Unsettled pattern expected through the weekend

2) Back to a more typical summertime pattern next week with
high draped over the Southeast U.S.

&&

.DISCUSSION...
KEY MESSAGE 1...

Dry through the CWA early this morning with a front with little
to no precip along it stalled to our north.  Through the day,
PWATs continue to climb above 2" for the entire area. A
shortwave is forecast to pass west of ENC, but should provide
enough of a glancing blow combined with the seabreeze and an
inland trough to support scattered convection capable of very
heavy rainfall rates and gusty winds, particularly along and
west of hwy 17. The increased southerly flow should lead to a
more progressive seabreeze which should also favor a more
progressive nature to the convection. While this would limit the
duration of heavy rainfall rates over any one location, the
rates could be high enough to support minor hydro concerns,
especially in urban areas. Of note, despite anomalous moisture
and moderate instability, convective coverage on Saturday is
less certain as the strongest forcing is expected to be outside
of ENC. Despite moderate instability, weak shear and lower DCAPE
should help to keep the severe thunderstorm risk at a minimum.

On Sunday, guidance continues the trend of slowing down the
arrival of a cold front that will be dropping south out of
Virginia. The front now looks to come through Sunday night. This
points towards an extra day of moist and unstable conditions,
with another round of scattered to perhaps numerous
thunderstorms. Deep layer shear is forecast to slightly
increase, but the overall severe thunderstorm risk continues to
look low. With anomalous PWATs in place, heavy rainfall rates
can be expected, with a continued risk of minor flooding
impacts.

KEY MESSAGE 2...A much drier airmass is forecast to build in
across the Eastern U.S. early next week in the wake of Sunday
night`s cold front. Additionally, guidance have trended a bit
cooler within the developing northeasterly flow regime, offering
a reprieve from the higher humidity over this weekend. From
mid-week on, guidance differ on whether it warms up or stays
milder. Additionally, guidance suggests a decent coastal trough
may develop along what is leftover from this weekend`s front.
With ridging building in, this trough may slide west beneath the
ridge and bring a return to unsettled conditions, especially
along the coast by Thursday.

&&

.AVIATION /12Z SATURDAY THROUGH WEDNESDAY/...
Terminals experiencing fog and low stratus this morning will
slowly give way to MVFR then VFR as the morning progresses.
Included a vcts mention for all TAF sites as some showers and
tstorms advance northward through the afternoon along and ahead
of the sea breeze. Thunderstorms would be capable of heavy
rainfall, lightning, and erratic winds. Severe potential is low,
so expect the vast majority of thunderstorm wind gusts to
remain at or below 40 mph.

Outlook (Sat night through Wed): There will continue to be a
risk of TSRA through Sunday. Eventually, a cold front is
forecast to move through Sunday night with drier and more stable
air in tow, along with a reduced risk of TSRA. Drier conditions
are expected to last into the middle of next week with a
reduced risk of precip.

&&

.MARINE...
Westerly winds of 5-10kt are common across most waters early
this morning. A stationary front is expected to lift back north
as a warm front by this morning. Southerly flow then prevails
through the afternoon. Seas 1-3 feet are expected to persist
through the day today. A risk of thunderstorms exists along
coastal waters this morning, shifting to inland sounds and
rivers this afternoon and evening.

Outlook: The risk of thunderstorms will continue until a cold
front moves through Sunday evening. A northerly wind shift will
occur along this front, with northeasterly flow then continuing
into next week. The strongest northeasterly winds (10-20kt) are
expected Monday and Tuesday, with a period of 25kt winds
possible for waters. Confidence in >25kt winds is moderate.
Seas will respond to the building winds, and are expected to
peak at 4-8ft Tuesday into Wednesday.

&&

.MHX WATCHES/WARNINGS/ADVISORIES...
NC...None.
MARINE...None.

&&

$$

DISCUSSION...RM/RJ
AVIATION...RM/RJ
MARINE...RM/RJ
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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