Question 1

How much rain did Olney, MD 20830 get in the last 24 hours?

Accepted Answer

Precip measured 0.10" of rain in Olney, MD 20830 over the last 24 hours (full day Wed, Nov 4: 0.09"). Totals come from Precip's radar-based virtual rain gauge and update hourly.

Question 2

What is the year-to-date rainfall total for Olney, MD 20830 in 2026?

Accepted Answer

So far in 2026, Olney, MD 20830 has received 37.44" of precipitation according to Precip, compared to the 30-year normal to date of 39.12" (4.3% below average). Recent monthly totals: August: 3.54" (normal 3.83"); September: 3.30" (normal 4.37"); October: 3.09" (normal 4.02"); November: 0.10" (normal 0.60").

Question 3

How much rain did Olney, MD 20830 get in the past 7 days?

Accepted Answer

Precip measured 0.10" of rain in Olney, MD 20830 over the past 7 days.

Question 4

When did it last rain in Olney, MD 20830?

Accepted Answer

The most recent rain event in Olney, MD 20830 ended 10 hours ago, dropping 0.10" as measured by Precip.

Question 5

How are rainfall totals for Olney, MD 20830 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 Olney, MD 20830 accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	3.50"	3.13"	+0.37" (+12%)
February	2.25"	2.78"	−0.53" (−19%)
March	4.47"	3.94"	+0.53" (+14%)
April	1.97"	3.47"	−1.51" (−43%)
May	6.06"	4.38"	+1.68" (+38%)
June	2.94"	4.29"	−1.36" (−32%)
July	6.22"	4.30"	+1.92" (+45%)
August	3.54"	3.83"	−0.29" (−8%)
September	3.30"	4.37"	−1.07" (−25%)
October	3.09"	4.02"	−0.92" (−23%)
November (to date)	0.10"	0.60"	−0.50" (−84%)
2026 YTD Total	37.44"	39.12"	−1.68" (4.3% below average)

Rainfall Totals Last 24 Hours in Olney, MD 20830

0.10" of rain in Olney, MD 20830 in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Olney (Last 7 Days)

Monthly Rainfall Totals in Olney (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Olney every day

Nearby Locations

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