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Leesburg, New Jersey Weather

Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →

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

Leesburg, NJ
Friday, June 5 at 2:42 AM
66
°
Clear
Feels like
66°
Humidity
70%
Wind
5 mph
Sunrise
5:34 AM
Sunset
8:22 PM
Leesburg, NJ
Hour by hour · 24h
24-Hour ForecastLeesburg, NJ: 24-hour forecast. Temperatures range from 60 to 91 degrees Fahrenheit.
L 60°H 91°
Leesburg, NJ
7-day forecast
  1. Today
    Jun 4
    Mostly Clear
    85°52°
  2. Friday
    Jun 5
    Overcast
    91°60°+6°
  3. Saturday
    Jun 6
    Overcast
    19%
    92°63°+1°
  4. Sunday
    Jun 7
    Light Drizzle
    19%
    89°68°-3°
  5. Monday
    Jun 8
    Partly Cloudy
    77°56°-12°
  6. Tuesday
    Jun 9
    Overcast
    81°53°+4°
  7. Wednesday
    Jun 10
    Overcast
    84°58°+3°
Leesburg, NJ
Anemometer · 24h winds · from true
NESW
From · True
S
171° · veering 79°
Direction
S
171°
Sustained
5
mph
Gust
11
mph
Peak 24h
17
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 17 @ 2:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 175SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 79° from the s.
Leesburg, NJ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.2
+0.8 mb in 3h · rising · 30.01 inHg
Now
1016.2
mb
3h
+0.8
mb
12h
-2.6
mb
24h
-4.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10161022
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1021.71016.21017.0
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Leesburg, NJ
Air quality
79
AQI
Moderate
+32 in 6h

AQI 79 (Moderate), driven by Ozone. AQI up 32 in the last 6 hours — air quality is degrading. Ozone at AQI 65. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.

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

PM 2.5Good
8.9μg/m³
PM 10Good
13μg/m³
NO₂Good
4μg/m³
OzoneDRIVERUnhealthy SG
116μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 65. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.

Present
AQI 65
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8

PM × Wind × Precip

PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.68 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.68
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Leesburg, NJ
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
48.5mi
UNLIMITED
106 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
02:42 UTC ·Leesburg, NJ · 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
02:42 UTC ·Leesburg, NJ · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Leesburg, NJ
Satellite · infrared · animated
Leesburg, NJ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Leesburg, NJ
Almanac · Friday, June 5
The higher the clouds, the finer the weather.
Civil dawn
9:04 AM
Sunrise
5:34 AM
Daylight
14h 48m
Sunset
8:22 PM
Civil dusk
12:55 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Leesburg, NJ
The moon
Waning Gibbous
80% illuminated
Moonrise
3:57 AM
Moonset
2:06 PM
In sign
♒︎ Aquarius
Leesburg, NJ
Microseason
Jun 1–5

Fireflies rise from the lawn

fungi
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Leesburg at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: April 12 (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 5, 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 — Leesburg

SPC has placed Leesburg in the General Thunderstorms category for severe thunderstorms day after tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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 Leesburg

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.