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

Startex, South Carolina Weather

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

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

Startex, SC
Sunday, July 5 at 5:38 AM
74
°
Clear
Feels like
80°
Humidity
81%
Wind
2 mph
Sunrise
2:20 AM
Sunset
4:45 PM
Startex, SC
Hour by hour · 24h
24-Hour ForecastStartex, SC: 24-hour forecast. Temperatures range from 74 to 94 degrees Fahrenheit.
L 74°H 94°
Startex, SC
7-day forecast
  1. Today
    Jul 5
    Overcast
    17%
    —
    94°74°—
  2. Monday
    Jul 6
    Overcast
    44%
    —
    96°75°+2°
  3. Tuesday
    Jul 7
    Heavy Drizzle
    27%
    —
    96°70°0°
  4. Wednesday
    Jul 8
    Heavy Drizzle
    13%
    —
    97°69°+1°
  5. Thursday
    Jul 9
    Overcast
    12%
    —
    100°68°+3°
  6. Friday
    Jul 10
    Partly Cloudy
    17%
    —
    103°74°+3°
  7. Saturday
    Jul 11
    Light Drizzle
    39%
    —
    100°74°-3°
Startex, SC
Next 24 hours · Mild now
HOT 90°68°83°98°6a12p6p12anow 75°high 94°low 74°PRECIP %
Startex, SC
Anemometer · 24h winds · from true
NESW
From · True
SW
225° · backing 153°
Direction
SW
225°
Sustained
2
mph
Gust
8
mph
Peak 24h
11
avg 4
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 4 · pk 11 @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 154SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 153° from the sw.
Startex, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.9
-1.6 mb in 3h · falling · 29.05 inHg
Now
983.9
mb
3h
-1.6
mb
12h
-2.0
mb
24h
-3.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984–989
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.6983.8983.8
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Startex, SC
Air quality
58
AQI
Moderate
↓-6 in 6h

AQI 58 (Moderate), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERModerate
13.9μg/m³
PM 10Good
15μg/m³
NO₂Good
10μg/m³
OzoneGood
37μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
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 TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³330
Startex, SC
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
35.1mi
UNLIMITED
105 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
09:38 UTC · Startex, SC · 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
09:38 UTC · Startex, SC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Startex, SC
Satellite · infrared · animated
Startex, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Startex, SC
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:51 AM
Sunrise
2:20 AM
Daylight
14h 25m
Sunset
4:45 PM
Civil dusk
9:16 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Startex, SC
The moon
Waning Gibbous
74% illuminated
Moonrise
11:43 PM
Moonset
11:41 AM
In sign
♓︎ Pisces
Startex, SC
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Startex at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: March 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 29377

15-Day Forecast — Startex

  1. Sun94°74°17%
  2. Mon96°75°44%
  3. Tue96°70°27%
  4. Wed97°69°13%
  5. Thu100°68°12%
  6. Fri103°74°17%
  7. Sat100°74°39%
  8. Sun99°71°33%
  9. Mon94°71°23%
  10. Tue95°65°15%
  11. Wed97°67°12%
  12. Thu92°69°44%
  13. Fri75°70°41%
  14. Sat89°69°45%
  15. Sun93°69°41%

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 — Startex

SPC has placed Startex in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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

Startex's warmest month is July (~79°F mean) and its coldest is January (~39°F). Rainfall peaks in March (4.7 inches) and bottoms out in October (2.3 inches).

MonthMean tempPrecipRainy days
January39°4.1″14
February43°3.9″12
March50°4.7″16
April59°3.6″15
May68°3.1″16
June76°3.5″17
July79°3.8″22
August77°4.4″23
September72°3.9″14
October62°2.3″10
November50°3.6″11
December42°4.6″14

Frequently asked

When does it freeze in Startex?
Frost typically leaves Startex by mid-March and returns to Startex near mid-December.
What is the rainy season in Startex?
March is the wettest month in Startex, about 4.7 inches on average; the year totals roughly 46 inches.
What is the warmest month in Startex?
Startex peaks in July, when the mean runs near 79°F.
What is the coldest month in Startex?
January is Startex's coldest month, averaging about 39°F.
When can I start a vegetable garden in Startex?
In Startex, sow peas and hardy greens around mid-March; Startex's tomatoes and peppers wait two weeks more.
How many rainy days does Startex get?
Startex records around 185 days of measurable precipitation annually.
What hardiness zone is Startex?
Because Startex bottoms near 39°F in January, that winter low sets Startex's USDA zone — verify by ZIP.
What is the 10-day forecast for Startex?
Startex'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 Startex?
See this week's day-by-day rain chances for Startex in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Startex?
Current conditions for Startex and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Startex forecast updated?
The Startex forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Startex?
Today's sunrise and sunset times for Startex 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 Startex?
The next few days in Startex's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

The humid subtropical climate of Startex, South Carolina carries typical Januarys near 39°F and Julys around 79°F — 40°F of seasonal travel.

Rain and snow bring Startex roughly 46 inches a year across approximately 185 measurable-precipitation days.

Startex sits at 34.9°N; that 40°F seasonal swing frames planting windows and frost dates across Startex.

All cities in South Carolina →

Spartanburg, SC weather →

ZIP codes in Startex

  • 29377
  • 29385

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.