weathermetro
Cities / United States
/ New Jersey
☁️ Old Tappan weather
Overcast. .
Feels like 21° Wind 9 km/h SE Humidity 87% Pressure 1013 hPa UV 0 Air Good ☀ 06:08 - 19:51
Right now it is 20° in Old Tappan with overcast skies and today's high is 31° with an overnight low of 20° . The sun rises at 06:08 and sets at 19:51, giving 13h 43m of daylight. Over the coming week highs range from 25° to 32° .
Old Tappan is in New Jersey, United States, sitting 24 m above sea level, with a population of about 6,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.
Next 24 hours - temperature
20°
26°
31°
31°
20°
01:00 · 20° · 0 mm
02:00 · 20.3° · 0 mm
03:00 · 20.8° · 0 mm
04:00 · 20.4° · 0.7 mm
05:00 · 20.2° · 0 mm
06:00 · 20.3° · 0 mm
07:00 · 20.5° · 0 mm
08:00 · 21.2° · 0 mm
09:00 · 22.6° · 0 mm
10:00 · 24.1° · 0 mm
11:00 · 25.9° · 0 mm
12:00 · 27.7° · 0 mm
13:00 · 29° · 0 mm
14:00 · 30° · 0 mm
15:00 · 29.9° · 0 mm
16:00 · 30.6° · 0 mm
17:00 · 30.7° · 0 mm
18:00 · 29.4° · 0 mm
19:00 · 29° · 0 mm
20:00 · 27.2° · 0 mm
21:00 · 26° · 0 mm
22:00 · 25.3° · 0 mm
23:00 · 25.3° · 0 mm
00:00 · 24.1° · 0 mm
Precipitation
01:00 · 0 mm
01:00
02:00 · 0 mm
03:00 · 0 mm
04:00 · 0.7 mm
04:00
05:00 · 0 mm
06:00 · 0 mm
07:00 · 0 mm
07:00
08:00 · 0 mm
09:00 · 0 mm
10:00 · 0 mm
10:00
11:00 · 0 mm
12:00 · 0 mm
13:00 · 0 mm
13:00
14:00 · 0 mm
15:00 · 0 mm
16:00 · 0 mm
16:00
17:00 · 0 mm
18:00 · 0 mm
19:00 · 0 mm
19:00
20:00 · 0 mm
21:00 · 0 mm
22:00 · 0 mm
22:00
23:00 · 0 mm
00:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
01:00
☁️
20°
21°
-
Overcast
02:00
☁️
20.3°
22.8°
-
Overcast
03:00
☁️
20.8°
21.7°
-
Overcast
04:00
🌦️
20.4°
22°
0.7 mm
Light rain
05:00
☁️
20.2°
22.5°
-
Overcast
06:00
☁️
20.3°
23°
-
Overcast
07:00
☁️
20.5°
23.1°
-
Overcast
08:00
☁️
21.2°
23.6°
-
Overcast
09:00
⛅
22.6°
25.1°
-
Partly cloudy
10:00
☀️
24.1°
27.2°
-
Clear sky
11:00
🌤️
25.9°
28.9°
-
Mostly clear
12:00
⛅
27.7°
31°
-
Partly cloudy
🌦️
TodayAugust 17th
Avg 25° Low 20° at 00:00
High 31° at 17:00
0.7 mm rain Feels 34° Wind ~12 km/h
Cloudy
Cloudy
00:00
20°
02:00
20°
04:00
20°
0.7mm
06:00
20°
08:00
21°
10:00
24°
12:00
28°
14:00
30°
16:00
31°
18:00
29°
20:00
27°
22:00
25°
🌤️
TuesdayAugust 18th
Avg 25° Low 20° at 06:00
High 29° at 15:00
Wind ~15 km/h
Cloudy
Clear
00:00
24°
02:00
24°
04:00
22°
06:00
20°
08:00
22°
10:00
24°
12:00
27°
14:00
29°
16:00
29°
18:00
28°
20:00
26°
22:00
24°
☀️
WednesdayAugust 19th
Avg 27° Low 21° at 06:00
High 32° at 15:00
Wind ~12 km/h
Clear
Clear
Cloudy
00:00
23°
02:00
22°
04:00
21°
06:00
21°
08:00
23°
10:00
27°
12:00
30°
14:00
32°
16:00
32°
18:00
32°
20:00
29°
22:00
27°
🌧️
ThursdayAugust 20th
Avg 25° Low 21° at 07:00
High 30° at 13:00
6 mm rain Wind ~15 km/h
Cloudy
Clear
Rain
00:00
25°
02:00
24°
04:00
22°
0.1mm
06:00
21°
0.4mm
08:00
21°
10:00
25°
12:00
29°
14:00
29°
0.1mm
16:00
27°
0.6mm
18:00
25°
0.9mm
20:00
23°
0.7mm
22:00
22°
🌧️
FridayAugust 21st
Avg 22° Low 18° at 07:00
High 27° at 15:00
10.2 mm rain Wind ~15 km/h
Cloudy
Cloudy
Rain
00:00
21°
02:00
20°
04:00
19°
06:00
18°
08:00
20°
10:00
23°
12:00
23°
14:00
27°
16:00
27°
18:00
24°
0.9mm
20:00
21°
0.9mm
22:00
21°
2.5mm
🌧️
SaturdayAugust 22nd
Avg 21° Low 19° at 03:00
High 25° at 17:00
60 mm rain Wind ~20 km/h
Rain
Cloudy
00:00
20°
15.1mm
02:00
19°
15.1mm
04:00
19°
4.9mm
06:00
19°
08:00
19°
10:00
21°
12:00
22°
14:00
22°
16:00
24°
18:00
24°
20:00
22°
22:00
21°
🌦️
SundayAugust 23rd
Avg 24° Low 21° at 02:00
High 29° at 16:00
2.1 mm rain Wind ~16 km/h
Cloudy
Rain
Rain
00:00
21°
02:00
21°
04:00
21°
06:00
21°
08:00
21°
10:00
24°
12:00
26°
0.5mm
14:00
28°
0.5mm
16:00
29°
18:00
27°
0.2mm
20:00
24°
0.2mm
22:00
22°
☀️
MondayAugust 24th
Avg 21° Low 18° at 07:00
High 25° at 14:00
Feels 22° Wind ~20 km/h
Partly Cloudy
Clear
Partly Cloudy
00:00
21°
02:00
20°
04:00
19°
06:00
18°
08:00
18°
10:00
21°
12:00
24°
14:00
25°
16:00
25°
18:00
23°
20:00
19°
22:00
18°
☁️
TuesdayAugust 25th
Avg 19° Low 15° at 06:00
High 24° at 16:00
Wind ~9 km/h
Cloudy
Partly Cloudy
Clear
00:00
17°
02:00
16°
04:00
15°
06:00
15°
08:00
15°
10:00
18°
12:00
21°
14:00
23°
16:00
24°
18:00
23°
20:00
20°
22:00
19°
☁️
WednesdayAugust 26th
Avg 20° Low 17° at 05:00
High 25° at 15:00
Feels 23° Wind ~15 km/h
Partly Cloudy
Cloudy
Partly Cloudy
Cloudy
00:00
19°
02:00
19°
04:00
17°
06:00
17°
08:00
18°
10:00
19°
12:00
22°
14:00
25°
16:00
25°
18:00
23°
20:00
21°
22:00
21°
🌧️
ThursdayAugust 27th
Avg 20° Low 19° at 23:00
High 21° at 08:00
14.1 mm rain Feels 23° Wind ~17 km/h
Cloudy
Rain
Cloudy
00:00
20°
02:00
20°
04:00
20°
06:00
21°
08:00
21°
10:00
21°
0.2mm
12:00
21°
2.4mm
14:00
21°
2.4mm
16:00
20°
2.1mm
18:00
20°
20:00
20°
22:00
19°
☁️
FridayAugust 28th
Avg 21° Low 18° at 03:00
High 26° at 14:00
0.6 mm rain Wind ~13 km/h
Cloudy
Rain
Clear
00:00
18°
02:00
18°
04:00
18°
06:00
18°
08:00
18°
10:00
21°
12:00
24°
14:00
26°
16:00
25°
0.1mm
18:00
23°
0.1mm
20:00
22°
0.1mm
22:00
21°
🌤️
SaturdayAugust 29th
Avg 21° Low 18° at 05:00
High 26° at 16:00
Wind ~11 km/h
Clear
Partly Cloudy
Clear
00:00
19°
02:00
19°
04:00
18°
06:00
18°
08:00
19°
10:00
20°
12:00
23°
14:00
25°
16:00
26°
18:00
25°
20:00
23°
22:00
22°
🌦️
SundayAugust 30th
Avg 23° Low 19° at 23:00
High 29° at 14:00
0.9 mm rain Feels 27° Wind ~17 km/h
Partly Cloudy
Clear
Rain
00:00
21°
02:00
21°
04:00
20°
06:00
20°
08:00
21°
10:00
23°
12:00
27°
14:00
29°
16:00
28°
18:00
25°
0.2mm
20:00
22°
0.2mm
22:00
20°
0.1mm
☀️
MondayAugust 31st
Avg 19° Low 15° at 05:00
High 24° at 15:00
Feels 21° Wind ~19 km/h
Clear
00:00
18°
02:00
17°
04:00
16°
06:00
16°
08:00
17°
10:00
20°
12:00
22°
14:00
24°
16:00
24°
18:00
22°
20:00
20°
22:00
18°
☀️
TuesdaySeptember 1st
Avg 18° Low 0° at 05:00
High 0° at 14:00
Feels 23° Wind ~8 km/h
Clear
Unknown
00:00
17°
02:00
16°
04:00
15°
06:00
15°
08:00
16°
10:00
20°
12:00
23°
14:00
25°
16:00
0°
18:00
0°
20:00
0°
22:00
0°
Sun
☀️ Sunrise 06:08 · Sunset 19:51
13h 43m of daylight · America/New_York
Air quality
PM2.5 8.6 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Old Tappan weather
Will it rain in Old Tappan today?
Only a trace - around 0.7 mm is expected in Old Tappan today, not enough to need an umbrella.
What is the temperature in Old Tappan right now?
It is 20° in Old Tappan right now. Today runs between a low of 20° and a high of 31° .
What time is sunrise and sunset in Old Tappan?
The sun rises at 06:08 and sets at 19:51 local time in Old Tappan today, giving 13h 43m of daylight.
What is the air quality in Old Tappan?
PM2.5 in Old Tappan is currently 8.6 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Old Tappan forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Old Tappan best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
This page is a live API demo. Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.
Read the docs
weathermetro A HatchSquare product. Weather for every place on Earth - free to read, free to build on, priced only when you need scale.
© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC