Question 1

How much rain did Old Tappan, NJ get in the last 24 hours?

Accepted Answer

Old Tappan, NJ received 0.00" of rain over the last 24 hours, measured by Precip's radar-based virtual rain gauge and updated hourly.

Question 2

What is the year-to-date rainfall total for Old Tappan, NJ in 2026?

Accepted Answer

So far in 2026, Old Tappan, NJ has received 44.80" of precipitation according to Precip, compared to the 30-year normal to date of 39.14" (14.5% above average).

Question 3

When did it last rain in Old Tappan, NJ?

Accepted Answer

The most recent rain event in Old Tappan, NJ ended 15 days ago, dropping 0.07" of rain as measured by Precip.

Question 4

How are rainfall totals for Old Tappan, NJ measured?

Accepted Answer

Precip combines Doppler radar, satellite imagery, and ground station data with AI to estimate rainfall for any point — a virtual rain gauge for Old Tappan, NJ accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	2.48"	3.34"	−0.85" (−26%)
February	2.62"	2.71"	−0.09" (−3%)
March	5.39"	3.93"	+1.46" (+37%)
April	2.82"	3.92"	−1.09" (−28%)
May	3.16"	3.75"	−0.59" (−16%)
June	2.86"	4.32"	−1.46" (−34%)
July	9.47"	4.36"	+5.11" (+117%)
August	7.17"	4.29"	+2.88" (+67%)
September	6.56"	4.34"	+2.22" (+51%)
October	2.28"	4.20"	−1.92" (−46%)
2026 YTD Total	44.80"	39.14"	+5.66" (14.5% above average)

Rain Today in Old Tappan, NJ: How Much Rain Fell — Last 24 Hour Rainfall Totals

0.00" of rain in Old Tappan, NJ in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Old Tappan, NJ (Last 7 Days)

Monthly Rainfall Totals in Old Tappan, NJ (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Old Tappan, NJ every day

Rain Forecast for Old Tappan, NJ

Lookup weather conditions for zip codes in Old Tappan, NJ

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