Weather StoryAlmanac, microseasons, and the day's weather story.

Williamston, North Carolina Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Williamston, NC
Saturday, July 4 at 9:03 PM
86
°
Clear
Feels like
91°
Humidity
60%
Wind
7 mph
Sunrise
1:57 AM
Sunset
4:28 PM
Williamston, NC
Hour by hour · 24h
24-Hour ForecastWilliamston, NC: 24-hour forecast. Temperatures range from 75 to 97 degrees Fahrenheit.
L 75°H 97°
Williamston, NC
7-day forecast
  1. Today
    Jul 4
    Overcast
    —
    —
    96°74°—
  2. Sunday
    Jul 5
    Overcast
    —
    —
    97°75°+1°
  3. Monday
    Jul 6
    Showers
    82%
    0.13″
    99°74°+2°
  4. Tuesday
    Jul 7
    Heavy Showers
    68%
    1.3″
    96°73°-3°
  5. Wednesday
    Jul 8
    Thunderstorm
    54%
    0.24″
    89°73°-7°
  6. Thursday
    Jul 9
    Drizzle
    21%
    —
    94°70°+5°
  7. Friday
    Jul 10
    Overcast
    30%
    —
    99°78°+5°
Williamston, NC
Next 24 hours · Warm now
HOT 90°70°88°105°6p12a6a12pnow 86°high 97°low 75°
Williamston, NC
Anemometer · 24h winds · from true
NESW
From · True
SSE
154° · backing 20°
Direction
SSE
154°
Sustained
7
mph
Gust
17
mph
Peak 24h
17
avg 5
Beaufort · 2 · LIGHT BRZ
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 5 · pk 17 @ 9:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2410SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 20° from the sse.
Williamston, NC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.6
0.0 mb in 3h · steady · 29.87 inHg
Now
1011.6
mb
3h
0.0
mb
12h
-3.0
mb
24h
-2.9
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1011–1015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.41010.61011.6
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Williamston, NC
Air quality
51
AQI
Moderate
↑+5 in 6h

AQI 51 (Moderate), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 8.8 µg/m³, PM10 at 10.6 µg/m³ — typical background levels with no transport signature.

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

PM 2.5DRIVERGood
8.8μg/m³
PM 10Good
11μg/m³
NO₂Good
3μg/m³
OzoneModerate
78μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 37. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.

Present
AQI 37
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 4

PM × Wind × Precip

PM2.5 at 8.8 µg/m³, PM10 at 10.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.83
Wind
light
Recent rain
0h in last 6h
Pattern
background

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 TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³300
Williamston, NC
Sky cover · visibility · 24h
Cloud cover
15%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
61.6mi
UNLIMITED
84 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
01:03 UTC · Williamston, 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
01:03 UTC · Williamston, NC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Williamston, NC
Satellite · infrared · animated
Williamston, NC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Williamston, NC
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:28 AM
Sunrise
1:57 AM
Daylight
14h 31m
Sunset
4:28 PM
Civil dusk
8:59 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Williamston, NC
The moon
Waning Gibbous
77% illuminated
Moonrise
11:22 PM
Moonset
11:19 AM
In sign
♓︎ Pisces
Williamston, NC
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Williamston at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: March 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 27892

16-Day Forecast — Williamston

  1. Sat96°74°0%
  2. Sun97°75°5%
  3. Mon99°74°82%
  4. Tue96°73°68%
  5. Wed89°73°54%
  6. Thu94°70°21%
  7. Fri99°78°30%
  8. Sat91°75°44%
  9. Sun81°70°41%
  10. Mon84°67°31%
  11. Tue86°65°23%
  12. Wed92°66°50%
  13. Thu97°69°45%
  14. Fri96°70°45%
  15. Sat94°70°53%
  16. Sun94°72°51%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Williamston

SPC has placed Williamston in the Marginal Risk category for severe thunderstorms day after tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3MRGLMarginal Risk

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 1–5

Cicadas claim the scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

Day 186 of 365 · Wedge 37 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

In Williamston, July runs warmest near 80°F and January coldest around 43°F, while September is the wettest month (6.9 inches) and February the driest (3.2 inches).

MonthMean tempPrecipRainy days
January43°3.7″7
February45°3.2″6
March52°4.1″7
April61°3.7″6
May69°3.7″7
June76°5.1″7
July80°5.8″8
August78°5.7″7
September73°6.9″8
October63°4.3″5
November53°3.4″6
December46°3.6″7

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Williamston sees 43°F Januarys and 80°F Julys, a 37°F range, plus around 53.2 inches of precipitation across 81 days.

Williamston's rain peaks in summer: September brings 6.9 inches over 7.6 thunderstorm-fed days, while February sees just 3.2 inches across 6.3 days under cooler, drier air. It is a warm-season-wet pattern Williamston shares with places like Everetts, NC, Bear Grass, NC and Jamesville, NC.

Williamston's growing window opens around mid-March, once Williamston's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. In Williamston, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Williamston's frost date. Around mid-December, freezing nights resume in Williamston and tender crops must come in. Within Williamston, cold-air pooling chills low spots by 5-10°F, shifting Williamston's local frost dates.

Similar climates: Everetts, NC, Bear Grass, NC, Jamesville, NC, Hamilton, NC, Robersonville, NC.

Frequently asked

When does it freeze in Williamston?
Frost typically leaves Williamston by mid-March and returns to Williamston near mid-December.
What is the rainy season in Williamston?
Rainfall in Williamston peaks in September near 6.9 inches, out of about 53 inches annually.
What is the warmest month in Williamston?
July is Williamston's warmest month, averaging about 80°F.
What is the coldest month in Williamston?
Williamston bottoms out in January, with a mean near 43°F.
When can I start a vegetable garden in Williamston?
Williamston's last frost (mid-March) cues hardy greens; in Williamston, hold heat-lovers two weeks past.
How many rainy days does Williamston get?
Williamston averages about 81 days with measurable rain or snow each year.
What hardiness zone is Williamston?
Williamston's USDA zone comes from its January mean (43°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Williamston?
Williamston'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 Williamston?
See this week's day-by-day rain chances for Williamston in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Williamston?
Current conditions for Williamston and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Williamston forecast updated?
The Williamston forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Williamston?
Today's sunrise and sunset times for Williamston 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 Williamston?
The next few days in Williamston's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Williamston, North Carolina occupies a humid subtropical zone, with January means near 43°F and July around 80°F — a 37°F swing.

Across the year, Williamston collects about 53 inches of precipitation over roughly 81 days with measurable rain or snow.

The 37°F gap between Williamston's summer and winter, at 35.8°N, shapes Williamston's frost calendar.

All cities in North Carolina →

Greenville, NC weather →

ZIP codes in Williamston

  • 27892

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.