Is it raining now in Somerville?
Sunny
9 JulNo upcoming precipitation for the next hour.
Last update: 22:00, 9 Jul 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
- App Only
Track up to 20 locations
Home, office, kids' school - all at once, no switching tabs.
- App Only
Alerts for each of them
Get notified 15 minutes before rain - while you can still change your plans.
- App Only
Widgets on your home screen
Live radar without opening the app - on your lock screen or home screen.
Rain in Somerville: What You Need to Know
Somerville, Massachusetts experiences nor'easters and tropical remnants. The Somerville rain radar provides real-time precipitation data at up to 250-meter resolution, updated every 4–6 minutes from KBOX (Taunton) — giving residents, commuters, and outdoor workers the advance notice they need before conditions change. A hyperlocal radar shows the actual cell position over Somerville; a forecast shows a probability across the broader Massachusetts region.
Storms in Somerville's part of Massachusetts typically approach from southwest or northeast. RainViewer's live map includes direction arrows that track exactly where an incoming cell is heading, so you can see whether rain will reach your neighborhood in Somerville or pass to the north or south. The 2-hour nowcast adds a forward-looking view beyond what the current radar frame shows.
Rain by Season in Somerville
Peak rain season (March–April (nor'easter peak) and August–September (tropical))
Somerville's most active weather aligns with March–April (nor'easter peak) and August–September (tropical), when nor'easters and tropical remnants drives the primary precipitation risk across this part of Massachusetts. Outdoor plans, commutes, and local events in Somerville face the highest weather disruption probability during this window.
Transition months
Seasonal transitions bring variable and less predictable conditions to Somerville. A live radar is more reliable than a multi-day forecast during these windows when storm tracks and intensities shift rapidly.
Drier season (May–June)
Precipitation probability drops in Somerville during May–June. Outdoor activities proceed with lower weather risk, though no season is entirely rain-free in Massachusetts.
Why You Need a Rain Radar in Somerville
Commuters and Drivers in Somerville
A live radar check before departure gives Somerville commuters 20+ minutes to adjust timing, avoid flood-prone road segments, or wait out a fast-moving cell. Rain events in Massachusetts can create hazardous conditions quickly, and a real-time map is more actionable than a forecast probability.
Outdoor Workers and Event Organizers in Somerville
Construction, outdoor events, and recreational activities in Somerville benefit from knowing exactly when rain will arrive from southwest or northeast. A 20–30 minute radar warning gives teams time to shelter equipment, complete outdoor tasks, or alert attendees before conditions deteriorate.
Residents and Visitors Planning Around Rain in Somerville
Whether planning a morning run, an outdoor dinner, or a day trip from Somerville, a live radar check replaces the uncertainty of a forecast with a real decision window. See whether the approaching cell will clear before your plans begin or whether rescheduling makes more sense.
RainViewer Radar Coverage in Somerville
RainViewer aggregates radar data for the United States from the NEXRAD network operated by NOAA's National Weather Service — 160 WSR-88D stations covering the contiguous US, Alaska, Hawaii, and US territories. Data updates every 4–6 minutes as each station completes its scan cycle. RainViewer processes and displays NEXRAD data at up to 250-meter resolution, preserving the raw scan data rather than smoothing it into regional averages. For Somerville, Massachusetts, the primary NEXRAD source is KBOX (Taunton), providing hyperlocal radar coverage across the area.
Somerville Rain Radar: Frequently Asked Questions
- Does Somerville flood when it rains heavily?
Somerville, like most Massachusetts communities, can experience localized flooding during intense rain events — particularly in low-lying areas near drainage channels, road underpasses, and stream corridors. Nor'easters and tropical remnants means runoff can accumulate quickly. A live radar gives advance warning to avoid flood-prone areas.
- When is the rainy season in Somerville?
Somerville's primary rain season runs through March–April (nor'easter peak) and August–September (tropical), driven by nor'easters and tropical remnants. The driest period is typically May–June, when precipitation probability is lowest and outdoor activities carry less weather risk.
- Is there a live rain radar for Somerville?
Yes — RainViewer displays live NEXRAD data for Somerville at up to 250-meter resolution, updated every 4–6 minutes from KBOX (Taunton). The map shows current precipitation, storm direction, and a 2-hour nowcast so you can track whether incoming cells will reach Somerville or pass nearby.
- Can I set a rain alert for Somerville?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Somerville, Massachusetts. The alert fires when radar confirms rain approaching your specific pin — more precise than a general area warning.
Track Rain in Somerville in Real Time
Rain in Somerville moves fast — a live radar gives you the advance window a forecast probability cannot.
Forecasts cover Massachusetts broadly. RainViewer shows the exact cell position over Somerville, updated every 4–6 minutes from KBOX (Taunton).
Your weather app shows rain likely near Somerville. RainViewer shows the cell is southwest of Somerville and arriving in minutes.
Track rain in Somerville — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach Somerville
Rain alerts before arrival
set an alert for your Somerville location
Direction arrows
storms approach Somerville from southwest or northeast
48 hours of radar history
review recent rain patterns in Somerville
Multiple locations
track Somerville alongside nearby communities
RainViewer
