Question 1

How much rain did Allen, MD 21810 get in the last 24 hours?

Accepted Answer

Precip measured 0.00" of rain in Allen, MD 21810 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 Allen, MD 21810 in 2026?

Accepted Answer

So far in 2026, Allen, MD 21810 has received 40.52" of precipitation according to Precip, compared to the 30-year normal to date of 40.18" (0.8% above average). Recent monthly totals: August: 6.69" (normal 5.20"); September: 3.75" (normal 4.35"); October: 4.24" (normal 4.13"); November: 0.00" (normal 0.12").

Question 3

How much rain did Allen, MD 21810 get in the past 7 days?

Accepted Answer

Precip measured 0.00" of rain in Allen, MD 21810 over the past 7 days.

Question 4

When did it last rain in Allen, MD 21810?

Accepted Answer

The most recent rain event in Allen, MD 21810 ended 14 days ago, dropping 0.51" as measured by Precip.

Question 5

How are rainfall totals for Allen, MD 21810 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 Allen, MD 21810 accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	3.25"	3.51"	−0.26" (−7%)
February	3.58"	2.96"	+0.62" (+21%)
March	3.10"	4.14"	−1.03" (−25%)
April	1.75"	3.53"	−1.78" (−50%)
May	2.48"	3.72"	−1.24" (−33%)
June	4.39"	4.05"	+0.34" (+8%)
July	7.29"	4.47"	+2.82" (+63%)
August	6.69"	5.20"	+1.49" (+29%)
September	3.75"	4.35"	−0.60" (−14%)
October	4.24"	4.13"	+0.11" (+3%)
November (to date)	0.00"	0.12"	−0.12" (−100%)
2026 YTD Total	40.52"	40.18"	+0.34" (0.8% above average)

Rainfall Totals Last 24 Hours in Allen, MD 21810

0.00" of rain in Allen, MD 21810 in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Allen (Last 7 Days)

Monthly Rainfall Totals in Allen (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Allen every day

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