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

Winnsboro, South Carolina Weather

Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →

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

Winnsboro, SC
Wednesday, June 3 at 7:49 PM
75
°
Clear
Feels like
73°
Humidity
28%
Wind
6 mph
Sunrise
6:12 AM
Sunset
8:32 PM
Winnsboro, SC
Hour by hour · 24h
24-Hour ForecastWinnsboro, SC: 24-hour forecast. Temperatures range from 57 to 80 degrees Fahrenheit.
L 57°H 80°
Winnsboro, SC
7-day forecast
  1. Today
    Jun 3
    Clear
    75°51°
  2. Thursday
    Jun 4
    Clear
    82°57°+7°
  3. Friday
    Jun 5
    Overcast
    89°60°+7°
  4. Saturday
    Jun 6
    Overcast
    89°62°
  5. Sunday
    Jun 7
    Overcast
    92°65°+3°
  6. Monday
    Jun 8
    Light Drizzle
    44%
    93°68°+1°
  7. Tuesday
    Jun 9
    Light Drizzle
    35%
    0.02″
    79°60°-14°
Winnsboro, SC
Anemometer · 24h winds · from true
NESW
From · True
NE
034° · veering 120°
Direction
NE
034°
Sustained
6
mph
Gust
11
mph
Peak 24h
12
avg 4
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 4 · pk 12 @ 2:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 134SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 120° from the ne.
Winnsboro, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1005.3
+0.3 mb in 3h · steady · 29.69 inHg
Now
1005.3
mb
3h
+0.3
mb
12h
0.0
mb
24h
+3.1
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10031008
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1007.71002.51005.6
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Winnsboro, SC
Air quality
43
AQI
Moderate
+3 in 6hPeak ~68 @ 11 PM

Ozone at AQI 78 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±3 points). Levels should ease through evening.

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

PM 2.5Good
3.9μg/m³
PM 10Good
4μg/m³
NO₂Good
0μg/m³
OzoneDRIVERUnhealthy SG
124μg/m³
UV IndexHigh
6.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 78 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 78
UV peak
6.5 at earlier today
Sky at peak
clear
Projected peak
AQI 78
Winnsboro, SC
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
137.0mi
UNLIMITED
138 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
19:49 UTC ·Winnsboro, SC · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
19:49 UTC ·Winnsboro, SC · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Winnsboro, SC
Satellite · infrared · animated
Winnsboro, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Winnsboro, SC
Almanac · Wednesday, June 3
The higher the clouds, the finer the weather.
Civil dawn
9:45 AM
Sunrise
6:12 AM
Daylight
14h 20m
Sunset
8:32 PM
Civil dusk
1:02 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Winnsboro, SC
The moon
Waning Gibbous
89% illuminated
Moonrise
2:55 AM
Moonset
12:40 PM
In sign
♑︎ Capricorn
Winnsboro, SC
Microseason
Jun 1–5

Fireflies pulse through the magnolias

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Winnsboro at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: March 13 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 3, 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.

ZIP codes in Winnsboro

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.