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

Demarest, New Jersey Weather

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

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

Demarest, NJ
Saturday, July 4 at 6:30 PM
95
°
Clear
Feels like
99°
Humidity
42%
Wind
9 mph
Sunrise
1:29 AM
Sunset
4:31 PM
Demarest, NJ
Hour by hour · 24h
24-Hour ForecastDemarest, NJ: 24-hour forecast. Temperatures range from 73 to 95 degrees Fahrenheit with a 52% chance of precipitation at 1 AM.
L 73°H 95°
Demarest, NJ
7-day forecast
  1. Today
    Jul 4
    Overcast
    32%
    95°76°
  2. Sunday
    Jul 5
    Heavy Rain
    57%
    1.6″
    87°73°-8°
  3. Monday
    Jul 6
    Drizzle
    91%
    0.07″
    74°70°-13°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    84%
    0.06″
    70°63°-4°
  5. Wednesday
    Jul 8
    Overcast
    24%
    83°62°+13°
  6. Thursday
    Jul 9
    Overcast
    11%
    92°72°+9°
  7. Friday
    Jul 10
    Overcast
    51%
    89°74°-3°
Demarest, NJ
Anemometer · 24h winds · from true
NESW
From · True
WSW
247° · backing 32°
Direction
WSW
247°
Sustained
9
mph
Gust
17
mph
Peak 24h
24
avg 7
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 7 · pk 24 @ 8:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 327SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 32° from the wsw.
Demarest, NJ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1007.5
-0.9 mb in 3h · falling · 29.75 inHg
Now
1007.5
mb
3h
-0.9
mb
12h
-1.6
mb
24h
-1.0
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10081011
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1010.51008.01008.0
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Demarest, NJ
Air quality
117
AQI
Unhealthy for Sensitive Groups
+62 in 6h

AQI 117 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 62 in the last 6 hours — air quality is degrading. Ozone at AQI 91 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

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

PM 2.5Good
7.2μg/m³
PM 10Good
8μg/m³
NO₂Good
5μg/m³
OzoneDRIVERUnhealthy SG
132μg/m³
UV IndexLow
0.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 91 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 91
UV peak
0.7 at earlier today
Sky at peak
clear
Projected peak
AQI 91

PM × Wind × Precip

PM2.5 at 7.2 µg/m³, PM10 at 7.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.95
Wind
light
Recent rain
0h in last 6h
Pattern
background
Demarest, NJ
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
95.6mi
UNLIMITED
97 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
22:30 UTC · Demarest, 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
22:30 UTC · Demarest, NJ · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Demarest, NJ
Satellite · infrared · animated
Demarest, NJ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Demarest, NJ
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:56 AM
Sunrise
1:29 AM
Daylight
15h 02m
Sunset
4:31 PM
Civil dusk
9:05 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Demarest, NJ
The moon
Waning Gibbous
78% illuminated
Moonrise
10:51 PM
Moonset
9:58 AM
In sign
♓︎ Pisces
Demarest, NJ
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Demarest at a glance

  • Today vs. normal: 24°F above the seasonal normal for this latitude
  • Last frost: April 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 07627

16-Day Forecast — Demarest

  1. Sat95°76°32%
  2. Sun87°73°57%
  3. Mon74°70°91%
  4. Tue70°63°84%
  5. Wed83°62°24%
  6. Thu92°72°11%
  7. Fri89°74°51%
  8. Sat87°77°31%
  9. Sun85°70°26%
  10. Mon77°67°24%
  11. Tue85°69°21%
  12. Wed90°67°28%
  13. Thu92°72°41%
  14. Fri96°74°45%
  15. Sat94°76°34%
  16. Sun93°78°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 — Demarest

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

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal 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.

Beaches near Demarest

Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.

ZIP codes in Demarest

  • 07627

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.