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

South Bethany, Delaware Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

South Bethany, DE
Saturday, July 4 at 8:16 AM
90
°
Clear
Feels like
97°
Humidity
61%
Wind
6 mph
Sunrise
1:41 AM
Sunset
4:28 PM
South Bethany, DE
Hour by hour · 24h
24-Hour ForecastSouth Bethany, DE: 24-hour forecast. Temperatures range from 74 to 96 degrees Fahrenheit.
L 74°H 96°
South Bethany, DE
7-day forecast
  1. Today
    Jul 4
    Overcast
    10%
    96°79°
  2. Sunday
    Jul 5
    Overcast
    12%
    91°74°-5°
  3. Monday
    Jul 6
    T-storm w/ Hail
    53%
    84°71°-7°
  4. Tuesday
    Jul 7
    Drizzle
    63%
    72°66°-12°
  5. Wednesday
    Jul 8
    Overcast
    17%
    75°62°+3°
  6. Thursday
    Jul 9
    Overcast
    17%
    81°66°+6°
  7. Friday
    Jul 10
    Light Drizzle
    35%
    93°74°+12°
South Bethany, DE
Anemometer · 24h winds · from true
NESW
From · True
NNW
327° · veering 28°
Direction
NNW
327°
Sustained
6
mph
Gust
10
mph
Peak 24h
15
avg 6
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 6 · pk 15 @ 2:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2610SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 28° from the nnw.
South Bethany, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.0
+0.3 mb in 3h · steady · 29.94 inHg
Now
1014.0
mb
3h
+0.3
mb
12h
+0.8
mb
24h
-2.9
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131017
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1016.91013.21014.0
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
South Bethany, DE
Air quality
61
AQI
Moderate
-53 in 6hPeak ~88 @ 6 PM

AQI 61 (Moderate), driven by PM2.5. AQI down 53 over the last 6 hours — air quality is improving sharply. PM2.5 at 12.7 µg/m³ (AQI 58) with a 0.91 fine-to-coarse ratio and 6 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 during the projected peak around 6 PM.

PM 2.5DRIVERModerate
12.7μg/m³
PM 10Good
14μg/m³
NO₂Good
6μg/m³
OzoneModerate
93μg/m³
UV IndexLow
1.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.

Present
AQI 44
UV peak
4.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 25

PM × Wind × Precip

PM2.5 at 12.7 µg/m³ (AQI 58) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
South Bethany, DE
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
57.9mi
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
12:16 UTC · South Bethany, DE · 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
12:16 UTC · South Bethany, DE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
South Bethany, DE
Satellite · infrared · animated
South Bethany, DE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
South Bethany, DE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:10 AM
Sunrise
1:41 AM
Daylight
14h 47m
Sunset
4:28 PM
Civil dusk
9:00 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
South Bethany, DE
The moon
Waning Gibbous
82% illuminated
Moonrise
10:52 PM
Moonset
10:05 AM
In sign
♓︎ Pisces
South Bethany, DE
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

South Bethany at a glance

  • Today vs. normal: 17°F above the seasonal normal for this latitude
  • Last frost: April 7 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — South Bethany

  1. Sat96°79°10%
  2. Sun91°74°12%
  3. Mon84°71°53%
  4. Tue72°66°63%
  5. Wed75°62°17%
  6. Thu81°66°17%
  7. Fri93°74°35%
  8. Sat79°73°24%
  9. Sun88°70°28%
  10. Mon77°69°16%
  11. Tue79°71°14%
  12. Wed86°73°23%
  13. Thu88°74°26%
  14. Fri95°75°29%
  15. Sat91°72°31%
  16. Sun81°71°35%

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

Right now in the garden

Peak growing season

As of July 4, 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 — South Bethany

SPC has placed South Bethany in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWSLGTSlight Risk
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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 South Bethany

  • 19930

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.