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

Hartsville, South Carolina Weather

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

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

Hartsville, SC
Monday, July 6 at 7:27 AM
75
°
Clear
Feels like
85°
Humidity
95%
Wind
0 mph
Sunrise
2:14 AM
Sunset
4:35 PM
Hartsville, SC
Hour by hour · 24h
24-Hour ForecastHartsville, SC: 24-hour forecast. Temperatures range from 75 to 98 degrees Fahrenheit.
L 75°H 98°
Hartsville, SC
7-day forecast
  1. Today
    Jul 6
    Overcast
    14%
    98°74°
  2. Tuesday
    Jul 7
    Overcast
    33%
    96°79°-2°
  3. Wednesday
    Jul 8
    Overcast
    33%
    101°77°+5°
  4. Thursday
    Jul 9
    Drizzle
    15%
    102°80°+1°
  5. Friday
    Jul 10
    Light Drizzle
    11%
    101°78°-1°
  6. Saturday
    Jul 11
    Light Drizzle
    32%
    100°78°-1°
  7. Sunday
    Jul 12
    Overcast
    43%
    105°75°+5°
Hartsville, SC
Anemometer · 24h winds · from true
NESW
From · True
S
180° · steady
Direction
S
180°
Sustained
0
mph
Gust
4
mph
Peak 24h
21
avg 4 mph
Beaufort · 0 · CALM
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 mph · pk 21 mph @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 224SUSTGUST
−24h−18h−12h−6hnow
The air is still. Smoke rises straight up.
Hartsville, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1006.4
+0.9 mb in 3h · rising · 29.72 inHg
Now
1006.4
mb
3h
+0.9
mb
12h
+1.1
mb
24h
0.0
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10051007
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1006.71004.61006.3
Pressure climbing out of the rain band — clearing edging in.
Hartsville, SC
Air quality
43
AQI
Good
+6 in 6h

AQI 43 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.93 fine-to-coarse ratio and 0 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 2.5DRIVERGood
8.6μg/m³
PM 10Good
9μg/m³
NO₂Good
5μg/m³
OzoneGood
43μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.93 fine-to-coarse ratio and 0 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.93
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Hartsville, SC
Sky cover · visibility · 24h
Cloud cover
3%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
25.3mi
UNLIMITED
91 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
11:27 UTC · Hartsville, 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
11:27 UTC · Hartsville, SC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Hartsville, SC
Satellite · infrared · animated
Hartsville, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Hartsville, SC
Almanac · Monday, July 6
When the stars begin to huddle, the earth will soon become a puddle.
Civil dawn
5:46 AM
Sunrise
2:14 AM
Daylight
14h 21m
Sunset
4:35 PM
Civil dusk
9:06 PM
Planting note
Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
Hartsville, SC
The moon
Last Quarter
63% illuminated
Moonrise
12:00 AM
Moonset
12:36 PM
In sign
♓︎ Pisces
Hartsville, SC
Microseason
Jul 6–10

Thunderheads boil and break at dusk

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Hartsville at a glance

  • Today vs. normal: 75°F — typical for the season
  • 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: 29550

15-Day Forecast — Hartsville

  1. Mon98°74°14%
  2. Tue96°79°33%
  3. Wed101°77°33%
  4. Thu102°80°15%
  5. Fri101°78°11%
  6. Sat100°78°32%
  7. Sun105°75°43%
  8. Mon104°77°43%
  9. Tue108°77°17%
  10. Wed108°80°17%
  11. Thu110°84°18%
  12. Fri97°72°51%
  13. Sat85°72°54%
  14. Sun85°71°68%
  15. Mon81°70°61%

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 — Hartsville

SPC has placed Hartsville 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.

ZIP codes in Hartsville

  • 29550
  • 29551

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.