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

Waterloo, South Carolina Weather

Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →

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

Waterloo, SC
Monday, June 15 at 3:49 PM
85
°
Overcast
Feels like
89°
Humidity
43%
Wind
6 mph
Sunrise
2:15 AM
Sunset
4:41 PM
Waterloo, SC
Hour by hour · 24h
24-Hour ForecastWaterloo, SC: 24-hour forecast. Temperatures range from 68 to 86 degrees Fahrenheit.
L 68°H 86°
Waterloo, SC
7-day forecast
  1. Today
    Jun 15
    Overcast
    11%
    86°68°
  2. Tuesday
    Jun 16
    Light Drizzle
    16%
    0.02″
    82°68°-4°
  3. Wednesday
    Jun 17
    Heavy Rain
    47%
    0.92″
    85°69°+3°
  4. Thursday
    Jun 18
    Overcast
    63%
    89°70°+4°
  5. Friday
    Jun 19
    Light Showers
    64%
    0.06″
    80°69°-9°
  6. Saturday
    Jun 20
    Overcast
    31%
    85°67°+5°
  7. Sunday
    Jun 21
    Overcast
    91°65°+6°
Waterloo, SC
Anemometer · 24h winds · from true
NESW
From · True
W
264° · veering 63°
Direction
W
264°
Sustained
6
mph
Gust
16
mph
Peak 24h
23
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 23 @ 1:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 174SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 63° from the w.
Waterloo, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.6
-1.0 mb in 3h · falling · 29.19 inHg
Now
988.6
mb
3h
-1.0
mb
12h
+1.8
mb
24h
+0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988991
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.7987.5989.7
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Waterloo, SC
Air quality
38
AQI
Good
+8 in 6hPeak ~48 @ 11 PM

AQI 38 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy skies. 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
3.3μg/m³
PM 10Good
4μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
110μg/m³
UV IndexVery high
7.7

What's driving it

Ozone × UV × Sky

Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 55
UV peak
7.3 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 55
Waterloo, SC
Sky cover · visibility · 24h
Cloud cover
99%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
88.5mi
UNLIMITED
92 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 · Waterloo, 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
19:49 UTC · Waterloo, SC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Waterloo, SC
Satellite · infrared · animated
Waterloo, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Waterloo, SC
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:47 AM
Sunrise
2:15 AM
Daylight
14h 26m
Sunset
4:41 PM
Civil dusk
9:12 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Waterloo, SC
The moon
New Moon
1% illuminated
Moonrise
6:22 AM
Moonset
8:52 PM
In sign
♋︎ Cancer
Waterloo, SC
Microseason
Jun 11–15

Sun climbs to its northern throne

insect
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Waterloo at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: March 13 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Waterloo

  1. Mon86°68°11%
  2. Tue82°67°16%
  3. Wed85°69°47%
  4. Thu89°70°63%
  5. Fri80°69°64%
  6. Sat85°67°31%
  7. Sun91°65°7%
  8. Mon94°68°24%
  9. Tue99°73°32%
  10. Wed93°68°27%
  11. Thu88°69°27%
  12. Fri89°70°44%
  13. Sat92°68°55%
  14. Sun92°69°45%
  15. Mon90°70°52%
  16. Tue85°70°39%

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

Right now in the garden

Peak growing season

As of June 15, 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 Waterloo

  • 29384

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.