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Castle Hayne, North Carolina Weather

Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →

Castle Hayne weather forecast — hour by hour, 7-day outlook, NOAA radar

Castle Hayne, NC
Monday, July 6 at 1:30 AM
80
°
Mostly Clear
Feels like
90°
Humidity
85%
Wind
3 mph
Sunrise
2:05 AM
Sunset
4:27 PM
Castle Hayne, NC
Hour by hour · 24h
24-Hour ForecastCastle Hayne, NC: 24-hour forecast. Temperatures range from 77 to 99 degrees Fahrenheit with a 21% chance of precipitation at 2 PM.
L 77°H 99°
Castle Hayne, NC
7-day forecast
  1. Today
    Jul 6
    Overcast
    21%
    —
    99°77°—
  2. Tuesday
    Jul 7
    Overcast
    56%
    0.04″
    94°78°-5°
  3. Wednesday
    Jul 8
    Overcast
    38%
    —
    102°80°+8°
  4. Thursday
    Jul 9
    Showers
    27%
    0.30″
    102°76°0°
  5. Friday
    Jul 10
    Overcast
    12%
    —
    100°78°-2°
  6. Saturday
    Jul 11
    Drizzle
    40%
    0.06″
    101°74°+1°
  7. Sunday
    Jul 12
    Light Drizzle
    47%
    0.02″
    99°74°-2°
Castle Hayne, NC
Next 24 hours · Mild now
HOT 90°70°88°105°12a6a12p6pnow 79°high 99°low 77°PRECIP %
Castle Hayne, NC
Anemometer · 24h winds · from true
NESW
From · True
SSW
196° · veering 27°
Direction
SSW
196°
Sustained
3
mph
Gust
11
mph
Peak 24h
17
avg 7 mph
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 mph · pk 17 mph @ 3:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2811SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 27° from the ssw.
Castle Hayne, NC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.1
+0.1 mb in 3h · steady · 29.92 inHg
Now
1013.1
mb
3h
+0.1
mb
12h
-1.1
mb
24h
-1.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1012–1015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1014.71012.11012.8
Air sits at the threshold — small shifts decide the day.
Castle Hayne, NC
Air quality
45
AQI
Good
↑+5 in 6h

AQI 45 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.86 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
12.3μg/m³
PM 10Good
14μg/m³
NO₂Good
3μg/m³
OzoneModerate
99μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.

Present
AQI 47
UV peak
3.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 10

PM × Wind × Precip

PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.86 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.86
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100MONTUEWEDTHUFRISATSUNMON7-DAY PM2.5 TREND · μg/m³300
Castle Hayne, NC
Sky cover · visibility · 24h
Cloud cover
39%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
30.2mi
UNLIMITED
65 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
05:30 UTC · Castle Hayne, NC · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
05:30 UTC · Castle Hayne, NC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Castle Hayne, NC
Satellite · infrared · animated
Castle Hayne, NC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Castle Hayne, NC
Almanac · Monday, July 6
When the stars begin to huddle, the earth will soon become a puddle.
Civil dawn
5:37 AM
Sunrise
2:05 AM
Daylight
14h 22m
Sunset
4:27 PM
Civil dusk
8:57 PM
Planting note
Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
Castle Hayne, NC
The moon
Waning Gibbous
66% illuminated
Moonrise
11:52 PM
Moonset
12:27 PM
In sign
♓︎ Pisces
Castle Hayne, NC
Microseason
Jul 6–10

Thunderheads boil and break at dusk

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Castle Hayne at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: March 13 (climatological average for this latitude)
  • Microseason: Jul 6–10
  • Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.

ZIP code: 28429

15-Day Forecast — Castle Hayne

  1. Mon97°76°21%
  2. Tue94°78°56%
  3. Wed102°80°38%
  4. Thu102°76°27%
  5. Fri100°78°12%
  6. Sat101°74°40%
  7. Sun99°74°47%
  8. Mon95°74°41%
  9. Tue105°76°19%
  10. Wed87°77°18%
  11. Thu87°73°46%
  12. Fri89°71°48%
  13. Sat99°74°46%
  14. Sun95°72°35%
  15. Mon96°77°40%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 6, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Castle Hayne

SPC includes Castle Hayne in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 6–10

Thunderheads boil and break at dusk

Bermuda High dominates; afternoon convection builds daily, producing violent but brief thunderstorms by evening.

Day 187 of 365 · Wedge 38 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
Marchlettuce, peas, spinach, radishes—
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
July—tomatoes, beans, summer squash
August—tomatoes, beans, summer squash
September—tomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots—
December——

A year in weather

The year in Castle Hayne tops out in July (~82°F) and dips lowest in January (~47°F), with September wettest at 8.7 inches and April driest at 3.1 inches.

MonthMean tempPrecipRainy days
January47°3.8″6
February49°3.5″6
March55°4.0″6
April64°3.1″5
May71°4.5″6
June78°5.7″7
July82°6.9″9
August80°8.2″10
September75°8.7″7
October66°4.7″5
November56°3.6″5
December50°3.7″6

Frequently asked

When does it freeze in Castle Hayne?
Frost typically leaves Castle Hayne by mid-March and returns to Castle Hayne near mid-December.
What is the rainy season in Castle Hayne?
Rainfall in Castle Hayne peaks in September near 8.7 inches, out of about 60 inches annually.
What is the warmest month in Castle Hayne?
The warmest stretch in Castle Hayne comes in July, around 82°F on average.
What is the coldest month in Castle Hayne?
On average January is the chilliest month in Castle Hayne, about 47°F.
When can I start a vegetable garden in Castle Hayne?
Time tomatoes in Castle Hayne for two weeks after mid-March; peas and greens start at Castle Hayne's frost line.
How many rainy days does Castle Hayne get?
Castle Hayne averages about 79 days with measurable rain or snow each year.
What hardiness zone is Castle Hayne?
Castle Hayne sits in the USDA zone set by January lows near 47°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Castle Hayne?
Castle Hayne's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Castle Hayne?
See this week's day-by-day rain chances for Castle Hayne in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Castle Hayne?
Current conditions for Castle Hayne and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Castle Hayne forecast updated?
The Castle Hayne forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Castle Hayne?
Today's sunrise and sunset times for Castle Hayne are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Castle Hayne?
The next few days in Castle Hayne's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Castle Hayne's humid subtropical climate in North Carolina pairs 47°F Januarys with 82°F Julys, 35°F apart across the seasons.

In a typical year Castle Hayne records about 60 inches of precipitation on around 79 days.

The 35°F gap between Castle Hayne's summer and winter, at 34.4°N, shapes Castle Hayne's frost calendar.

All cities in North Carolina →

Wilmington, NC weather →

ZIP codes in Castle Hayne

  • 28429

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.