Question 1

How much rain did Rockville, MD 20850 get in the last 24 hours?

Accepted Answer

Precip measured 0.00" of rain in Rockville, MD 20850 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 Rockville, MD 20850 in 2026?

Accepted Answer

So far in 2026, Rockville, MD 20850 has received 34.68" of precipitation according to Precip, compared to the 30-year normal to date of 38.19" (9.2% below average). Recent monthly totals: July: 4.49" (normal 4.33"); August: 5.32" (normal 3.83"); September: 3.20" (normal 4.41"); October: 3.12" (normal 3.89").

Question 3

How much rain did Rockville, MD 20850 get in the past 7 days?

Accepted Answer

Precip measured 0.00" of rain in Rockville, MD 20850 over the past 7 days.

Question 4

When did it last rain in Rockville, MD 20850?

Accepted Answer

The most recent rain event in Rockville, MD 20850 ended 15 days ago, dropping 0.33" as measured by Precip.

Question 5

How are rainfall totals for Rockville, MD 20850 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 Rockville, MD 20850 accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	3.16"	3.07"	+0.10" (+3%)
February	2.25"	2.69"	−0.45" (−17%)
March	3.74"	3.85"	−0.11" (−3%)
April	2.06"	3.42"	−1.35" (−40%)
May	5.06"	4.42"	+0.64" (+14%)
June	2.27"	4.29"	−2.01" (−47%)
July	4.49"	4.33"	+0.16" (+4%)
August	5.32"	3.83"	+1.49" (+39%)
September	3.20"	4.41"	−1.21" (−27%)
October	3.12"	3.89"	−0.77" (−20%)
2026 YTD Total	34.68"	38.19"	−3.51" (9.2% below average)

Rainfall Totals Last 24 Hours in Rockville, MD 20850

0.00" of rain in Rockville, MD 20850 in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Rockville (Last 7 Days)

Monthly Rainfall Totals in Rockville (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Rockville every day

Nearby Locations

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Nearby Parks, Stadiums & Trailheads