Question 1

How much rain did Herndon, PA 17830 get in the last 24 hours?

Accepted Answer

Precip measured 0.00" of rain in Herndon, PA 17830 over the last 24 hours (full day Sat, Oct 31: 0.00"). Totals come from Precip's radar-based virtual rain gauge and update hourly.

Question 2

What is the year-to-date rainfall total for Herndon, PA 17830 in 2026?

Accepted Answer

So far in 2026, Herndon, PA 17830 has received 37.68" of precipitation according to Precip, compared to the 30-year normal to date of 39.02" (3.4% below average). Recent monthly totals: July: 2.38" (normal 4.42"); August: 3.81" (normal 4.18"); September: 7.76" (normal 4.80"); October: 3.03" (normal 4.15").

Question 3

How much rain did Herndon, PA 17830 get in the past 7 days?

Accepted Answer

Precip measured 0.00" of rain in Herndon, PA 17830 over the past 7 days.

Question 4

When did it last rain in Herndon, PA 17830?

Accepted Answer

The most recent rain event in Herndon, PA 17830 ended 15 days ago, dropping 0.49" as measured by Precip.

Question 5

How are rainfall totals for Herndon, PA 17830 measured?

Accepted Answer

Precip combines Doppler radar, satellite imagery, and ground station data with AI to measure rainfall for any point — a virtual rain gauge for Herndon, PA 17830 accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	1.78"	3.12"	−1.34" (−43%)
February	1.12"	2.47"	−1.35" (−55%)
March	6.39"	3.57"	+2.82" (+79%)
April	2.64"	3.89"	−1.25" (−32%)
May	4.61"	4.03"	+0.58" (+14%)
June	4.14"	4.39"	−0.25" (−6%)
July	2.38"	4.42"	−2.04" (−46%)
August	3.81"	4.18"	−0.37" (−9%)
September	7.76"	4.80"	+2.97" (+62%)
October	3.03"	4.15"	−1.12" (−27%)
2026 YTD Total	37.68"	39.02"	−1.34" (3.4% below average)

Rainfall Totals Last 24 Hours in Herndon, PA 17830

0.00" of rain in Herndon, PA 17830 in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Herndon (Last 7 Days)

Monthly Rainfall Totals in Herndon (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Herndon every day

Nearby Locations

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