Question 1

How much rain did Waltham, MA 02451 get in the last 24 hours?

Accepted Answer

Precip measured 0.00" of rain in Waltham, MA 02451 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 Waltham, MA 02451 in 2026?

Accepted Answer

So far in 2026, Waltham, MA 02451 has received 32.81" of precipitation according to Precip, compared to the 30-year normal to date of 39.11" (16.1% below average). Recent monthly totals: July: 5.16" (normal 3.50"); August: 2.26" (normal 3.58"); September: 5.13" (normal 3.87"); October: 2.10" (normal 4.80").

Question 3

How much rain did Waltham, MA 02451 get in the past 7 days?

Accepted Answer

Precip measured 0.01" of rain in Waltham, MA 02451 over the past 7 days.

Question 4

When did it last rain in Waltham, MA 02451?

Accepted Answer

The most recent rain event in Waltham, MA 02451 ended 15 days ago, dropping 0.13" as measured by Precip.

Question 5

How are rainfall totals for Waltham, MA 02451 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 Waltham, MA 02451 accurate to roughly 800 meters and updated every hour.

Month	2026 Total	30-Yr Normal	vs. Normal
January	3.63"	3.56"	+0.07" (+2%)
February	2.73"	3.26"	−0.53" (−16%)
March	4.55"	4.50"	+0.05" (+1%)
April	2.12"	4.20"	−2.07" (−49%)
May	2.93"	3.65"	−0.72" (−20%)
June	2.19"	4.18"	−1.98" (−47%)
July	5.16"	3.50"	+1.66" (+48%)
August	2.26"	3.58"	−1.32" (−37%)
September	5.13"	3.87"	+1.26" (+32%)
October	2.10"	4.80"	−2.70" (−56%)
2026 YTD Total	32.81"	39.11"	−6.29" (16.1% below average)

Rainfall Totals Last 24 Hours in Waltham, MA 02451

0.00" of rain in Waltham, MA 02451 in the last 24 hours

Virtual Rain Gauge Map

Daily Rainfall Totals in Waltham (Last 7 Days)

Monthly Rainfall Totals in Waltham (2026)

Rainfall Totals vs Normals (30 Year Average)

Track rainfall in Waltham every day

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