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Old Tappan, New Jersey Weather

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

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

Old Tappan, NJ
Sunday, July 5 at 12:45 AM
75
°
Overcast
Feels like
81°
Humidity
89%
Wind
6 mph
Sunrise
1:29 AM
Sunset
4:31 PM
Old Tappan, NJ
Hour by hour · 24h
24-Hour ForecastOld Tappan, NJ: 24-hour forecast. Temperatures range from 73 to 88 degrees Fahrenheit with a 64% chance of precipitation at 1 AM.
L 73°H 88°
Old Tappan, NJ
7-day forecast
  1. Today
    Jul 5
    Heavy Showers
    64%
    0.96″
    88°73°
  2. Monday
    Jul 6
    Heavy Rain
    91%
    2.6″
    73°64°-15°
  3. Tuesday
    Jul 7
    Heavy Drizzle
    82%
    0.07″
    67°62°-6°
  4. Wednesday
    Jul 8
    Overcast
    16%
    82°60°+15°
  5. Thursday
    Jul 9
    Light Drizzle
    19%
    89°67°+7°
  6. Friday
    Jul 10
    Drizzle
    46%
    0.07″
    92°71°+3°
  7. Saturday
    Jul 11
    Overcast
    26%
    87°64°-5°
Old Tappan, NJ
Anemometer · 24h winds · from true
NESW
From · True
SW
227° · veering 63°
Direction
SW
227°
Sustained
6
mph
Gust
19
mph
Peak 24h
21
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 21 @ 11:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 223SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 63° from the sw.
Old Tappan, NJ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.1
+2.4 mb in 3h · rising rapidly · 29.92 inHg
Now
1013.1
mb
3h
+2.4
mb
12h
+1.5
mb
24h
+1.0
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10081013
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1012.31007.81012.3
−24h−18h−12h−6hnow
Pressure climbing through the change line — drier air pushing in.
Old Tappan, NJ
Air quality
43
AQI
Good
-37 in 6h

AQI 43 (Good), driven by PM2.5. AQI down 37 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 5.7 µg/m³, PM10 to 5.9 µg/m³.

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

PM 2.5DRIVERGood
5.7μg/m³
PM 10Good
6μg/m³
NO₂Good
13μg/m³
OzoneModerate
62μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM scrubbed by 4 hours of recent rain — PM2.5 down to 5.7 µg/m³, PM10 to 5.9 µg/m³.

PM2.5/PM10
0.97
Wind
light
Recent rain
4h in last 6h
Pattern
washed out
Old Tappan, NJ
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
35.9mi
UNLIMITED
89 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
04:45 UTC · Old Tappan, 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
04:45 UTC · Old Tappan, NJ · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Old Tappan, NJ
Satellite · infrared · animated
Old Tappan, NJ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Old Tappan, NJ
Almanac · Sunday, July 5
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
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Old Tappan, NJ
The moon
Waning Gibbous
76% illuminated
Moonrise
11:13 PM
Moonset
11:05 AM
In sign
♓︎ Pisces
Old Tappan, NJ
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Old Tappan at a glance

  • Today vs. normal: 4°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.

15-Day Forecast — Old Tappan

  1. Sun88°73°64%
  2. Mon73°64°91%
  3. Tue67°62°82%
  4. Wed82°60°16%
  5. Thu89°67°19%
  6. Fri92°71°46%
  7. Sat87°64°26%
  8. Sun83°64°22%
  9. Mon86°62°19%
  10. Tue88°68°20%
  11. Wed89°70°37%
  12. Thu86°66°39%
  13. Fri88°64°29%
  14. Sat87°69°27%
  15. Sun96°75°35%

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 — Old Tappan

SPC has placed Old Tappan 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.

ZIP codes in Old Tappan

  • 07675

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.