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

Middlesex, New Jersey Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Middlesex, NJ
Sunday, July 5 at 7:25 AM
76
°
Clear
Feels like
83°
Humidity
84%
Wind
4 mph
Sunrise
1:33 AM
Sunset
4:31 PM
Middlesex, NJ
Hour by hour · 24h
24-Hour ForecastMiddlesex, NJ: 24-hour forecast. Temperatures range from 71 to 89 degrees Fahrenheit with a 75% chance of precipitation at 3 AM.
L 71°H 89°
Middlesex, NJ
7-day forecast
  1. Today
    Jul 5
    Rain
    73%
    0.17″
    89°73°
  2. Monday
    Jul 6
    Rain
    95%
    0.31″
    75°70°-14°
  3. Tuesday
    Jul 7
    Light Drizzle
    85%
    0.01″
    70°64°-5°
  4. Wednesday
    Jul 8
    Overcast
    20%
    77°63°+7°
  5. Thursday
    Jul 9
    Overcast
    21%
    82°64°+5°
  6. Friday
    Jul 10
    Light Drizzle
    36%
    0.01″
    85°66°+3°
  7. Saturday
    Jul 11
    Overcast
    22%
    84°62°-1°
Middlesex, NJ
Anemometer · 24h winds · from true
NESW
From · True
SW
229° · backing 18°
Direction
SW
229°
Sustained
4
mph
Gust
5
mph
Peak 24h
35
avg 7
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 7 · pk 35 @ 11:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 199SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Middlesex, NJ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.6
+2.0 mb in 3h · rising · 29.90 inHg
Now
1012.6
mb
3h
+2.0
mb
12h
+4.2
mb
24h
+1.0
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10081014
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.51008.21012.4
−24h−18h−12h−6hnow
Pressure climbing through the change line — drier air pushing in.
Middlesex, NJ
Air quality
43
AQI
Good
-22 in 6hPeak ~49 @ 5 PM

AQI 43 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 fine-to-coarse ratio and 4 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 5 PM.

PM 2.5DRIVERModerate
18.5μg/m³
PM 10Good
19μg/m³
NO₂Moderate
25μg/m³
OzoneGood
43μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.97
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Middlesex, NJ
Sky cover · visibility · 24h
Cloud cover
18%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
32.2mi
UNLIMITED
109 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
11:25 UTC · Middlesex, NJ · 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
11:25 UTC · Middlesex, NJ · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Middlesex, NJ
Satellite · infrared · animated
Middlesex, NJ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Middlesex, NJ
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:01 AM
Sunrise
1:33 AM
Daylight
14h 58m
Sunset
4:31 PM
Civil dusk
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Middlesex, NJ
The moon
Waning Gibbous
73% illuminated
Moonrise
11:15 PM
Moonset
11:07 AM
In sign
♓︎ Pisces
Middlesex, NJ
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Middlesex at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: April 19 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 08846

15-Day Forecast — Middlesex

  1. Sun89°73°73%
  2. Mon75°70°95%
  3. Tue70°64°85%
  4. Wed77°63°20%
  5. Thu82°64°21%
  6. Fri85°66°36%
  7. Sat84°62°22%
  8. Sun81°64°25%
  9. Mon72°63°19%
  10. Tue84°61°12%
  11. Wed87°65°15%
  12. Thu90°67°33%
  13. Fri80°70°27%
  14. Sat84°67°33%
  15. Sun89°68°32%

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

Right now in the garden

Peak growing season

As of July 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 — Middlesex

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

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

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 Middlesex

  • 08846

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.