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

North Star, Delaware Weather

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

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

North Star, DE
Saturday, July 4 at 7:19 PM
96
°
Clear
Feels like
97°
Humidity
35%
Wind
9 mph
Sunrise
1:40 AM
Sunset
4:34 PM
North Star, DE
Hour by hour · 24h
24-Hour ForecastNorth Star, DE: 24-hour forecast. Temperatures range from 75 to 97 degrees Fahrenheit with a 30% chance of precipitation at 12 AM.
L 75°H 97°
North Star, DE
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    25%
    0.02″
    99°77°—
  2. Sunday
    Jul 5
    Showers
    54%
    3.4″
    90°71°-9°
  3. Monday
    Jul 6
    Rain
    92%
    0.21″
    77°71°-13°
  4. Tuesday
    Jul 7
    Showers
    86%
    0.01″
    81°68°+4°
  5. Wednesday
    Jul 8
    Drizzle
    27%
    0.03″
    78°65°-3°
  6. Thursday
    Jul 9
    Overcast
    15%
    —
    89°67°+11°
  7. Friday
    Jul 10
    Light Drizzle
    43%
    —
    89°70°0°
North Star, DE
Next 24 hours · Hot now
HOT 90°70°88°105°6p12a6a12pnow 97°high 97°low 75°PRECIP %
North Star, DE
Anemometer · 24h winds · from true
NESW
From · True
SSW
203° · backing 47°
Direction
SSW
203°
Sustained
9
mph
Gust
13
mph
Peak 24h
16
avg 5
Beaufort · 3 · GENTLE 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 16 @ 8:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 425SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 47° from the ssw.
North Star, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.8
-1.4 mb in 3h · falling · 29.52 inHg
Now
999.8
mb
3h
-1.4
mb
12h
-2.9
mb
24h
-2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 999–1004
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.6999.4999.9
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
North Star, DE
Air quality
115
AQI
Unhealthy for Sensitive Groups
↑+62 in 6h

AQI 115 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 62 in the last 6 hours — air quality is degrading. Ozone at AQI 100. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.

CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.

PM 2.5Good
6.2μg/m³
PM 10Good
6μg/m³
NO₂Good
4μg/m³
OzoneDRIVERUnhealthy SG
137μg/m³
UV IndexLow
0.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 100. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.

Present
AQI 100
UV peak
0.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 12

PM × Wind × Precip

PM2.5 at 6.2 µg/m³, PM10 at 6.4 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.97
Wind
light
Recent rain
1h in last 6h
Pattern
background

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 TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³320
North Star, DE
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
110.5mi
UNLIMITED
119 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
23:19 UTC · North Star, 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
23:19 UTC · North Star, DE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
North Star, DE
Satellite · infrared · animated
North Star, DE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
North Star, DE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:08 AM
Sunrise
1:40 AM
Daylight
14h 54m
Sunset
4:34 PM
Civil dusk
9:08 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
North Star, DE
The moon
Waning Gibbous
78% illuminated
Moonrise
10:56 PM
Moonset
10:06 AM
In sign
♓︎ Pisces
North Star, DE
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

North Star at a glance

  • Today vs. normal: 24°F above the seasonal normal for this latitude
  • Last frost: April 15 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — North Star

  1. Sat99°77°25%
  2. Sun90°71°54%
  3. Mon77°71°92%
  4. Tue81°68°86%
  5. Wed78°65°27%
  6. Thu89°67°15%
  7. Fri89°70°43%
  8. Sat88°71°36%
  9. Sun82°68°28%
  10. Mon80°68°24%
  11. Tue86°66°17%
  12. Wed89°66°41%
  13. Thu89°69°41%
  14. Fri91°73°35%
  15. Sat93°71°29%
  16. Sun89°74°39%

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 — North Star

SPC has placed North Star in the Enhanced Risk category for severe thunderstorms today.

  • TODAYENHEnhanced Risk
  • TOMORROWSLGTSlight Risk
  • DAY 3TSTMGeneral Thunderstorms

Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.

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.

All cities in Delaware →

Wilmington, DE weather →

ZIP codes in North Star

  • 19711

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.