# Rainfall Totals in Cambridge, MA 02139 — Precip App

As of 2026-11-11T11:54:05.226Z, **Cambridge, MA 02139** received **0.00" of rain** in the last 24 hours, **3.28"** over the past 7 days, and **36.18"** in 2026 year-to-date (30-year normal to date: 39.94", 9.4% below average), measured by the **Precip app**. The most recent rain event ended 3 days ago (2026-11-08T09:00:00+0000), dropping 3.21" of rain.

> **Note on local variation:** These totals are measured at the center of Cambridge, MA 02139 (42.3644, -71.1012). Because thunderstorms often vary by 1"+ across a few miles, [pin your exact address, yard, or field in the free Precip app](https://app.precip.ai/locations/coords?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&save=true&src=md_rain_report) for exact point totals, or [check the next-hour rain nowcast and 10-day forecast for Cambridge, MA 02139](https://app.precip.ai/home?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&src=md_rain_forecast).

| Period | Rainfall | 30-Year Normal | vs. Normal |
| --- | --- | --- | --- |
| Last 24 hours | 0.00" | — | — |
| Full day (Tue, Nov 10) | 0.00" | — | — |
| Past 7 days | 3.28" | — | — |
| November 2026 (to date) | 3.28" | 1.32" | +1.96" (+149%) |
| 2026 year to date | 36.18" | 39.94" | −3.75" (9.4% below average) |
| Most recent rain (3 days ago) | 3.21" | — | — |

## Daily Rainfall — Past 7 Days

Each precipitation day runs 24 hours from 12:00 UTC to 12:00 UTC.

| Date | ISO Date | Rainfall |
| --- | --- | --- | --- |
| Tuesday, Nov 10 | 2026-11-10 | 0.00" |
| Monday, Nov 9 | 2026-11-09 | 0.01" |
| Sunday, Nov 8 | 2026-11-08 | 0.02" |
| Saturday, Nov 7 | 2026-11-07 | 0.61" |
| Friday, Nov 6 | 2026-11-06 | 1.99" |
| Thursday, Nov 5 | 2026-11-05 | 0.64" |
| Wednesday, Nov 4 | 2026-11-04 | 0.00" |

## Monthly Rainfall — 2026 vs. 30-Year Normal

| Month | Observed | Normal to Date | vs. Normal | Full Month Normal |
| --- | --- | --- | --- | --- |
| January 2026 | 3.71" | 3.65" | +0.06" (+2%) | 3.65" |
| February 2026 | 2.93" | 3.30" | −0.37" (−11%) | 3.30" |
| March 2026 | 4.46" | 4.50" | −0.04" (−1%) | 4.50" |
| April 2026 | 1.69" | 4.15" | −2.46" (−59%) | 4.15" |
| May 2026 | 2.99" | 3.57" | −0.58" (−16%) | 3.57" |
| June 2026 | 1.73" | 4.05" | −2.31" (−57%) | 4.05" |
| July 2026 | 5.17" | 3.38" | +1.79" (+53%) | 3.38" |
| August 2026 | 1.58" | 3.46" | −1.89" (−54%) | 3.46" |
| September 2026 | 6.26" | 3.82" | +2.44" (+64%) | 3.82" |
| October 2026 | 2.40" | 4.74" | −2.34" (−49%) | 4.74" |
| November 2026 (to date) | 3.28" | 1.32" | +1.96" (+149%) | 3.95" |

## Track Cambridge, MA 02139 in the Free Precip App

This summary covers standard periods at the center of Cambridge, MA 02139. Open [Cambridge, MA 02139 in the Precip app](https://app.precip.ai/locations/coords?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&save=true&src=md_rain_report) (iOS, Android, and Web — rated 4.8/5 from 10463+ reviews) for:

- **Exact-coordinate virtual rain gauge:** [Drop a pin on any yard, field, or job site](https://app.precip.ai/locations/coords?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&save=true&src=md_rain_report) at ~800 m resolution with no physical hardware.
- **Hour-by-hour storm timeline & multi-year archive:** See exact start/stop times, peak hourly intensity, and custom date ranges back to 2015.
- **Automatic rain alerts & morning email reports:** Get a free morning rainfall summary after it rains, Lock Screen Live Activity timed to the first drop in the next 60 minutes, or custom threshold alerts (e.g. `> 0.50" in 24h`).
- **Benchmarked #1 forecast for Cambridge, MA 02139:** [View the 60-minute AI rain nowcast and 10-day hourly forecast](https://app.precip.ai/home?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&src=md_rain_forecast) — ranked #1 against Apple Weather, Google Weather, and ECMWF in live NOAA station tests.
- **Download on iPhone or Android:** [Install the Precip mobile app](https://link.precip.ai/app?utm_source=markdown&utm_medium=llm&src=md_rain_report) or open on the web at https://app.precip.ai/locations/coords?lng=-71.10117&lat=42.3643675&locationName=Cambridge%2C+MA+02139&save=true&src=md_rain_report.

## About This Data

- **Location:** Cambridge, MA 02139 (42.3644, -71.1012).
- **Source:** [Precip](https://precip.ai) combines 180+ Doppler radar stations, satellite imagery, and quality-controlled rain gauges with machine learning to measure precipitation at ~800 m (0.5 mile) resolution, updated hourly.
- **Normals:** 30-year PRISM climate normals for the matching period.
- **Interactive map & full report:** https://precip.ai/rainfall-totals/zipcode/02139
- **Upcoming rain forecast for Cambridge, MA 02139:** https://precip.ai/rain-forecast/zipcode/02139 (Markdown: https://precip.ai/rain-forecast/zipcode/02139.md)
- **Snowfall report (Markdown):** https://precip.ai/snow-totals/zipcode/02139.md
- **Use Precip in ChatGPT, Claude, or Cursor (MCP):** Connect your free Precip account via the remote MCP server at `https://api.precip.ai/mcp` ([setup guide](https://api-docs.precip.ai/mcp)) to query saved locations and custom date ranges directly inside your AI assistant, or use the [Precip Weather REST API](https://precip.ai/developers).