Is it raining now in Chatham?
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9 JulNo upcoming precipitation for the next hour.
Last update: 21:00, 9 Jul 2026
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Rain in Chatham: What You Need to Know
Chatham, New York experiences nor'easters, tropical remnants, and urban flash flooding. The Chatham rain radar delivers real-time NEXRAD data from KOKX (Upton NY), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of New York typically approach from southwest or northeast, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader New York region. RainViewer shows the actual cell over Chatham right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Chatham
Peak rain season (June–August (convective) and September–October (tropical peak) and March–April (nor'easters))
Chatham's highest weather risk aligns with June–August (convective) and September–October (tropical peak) and March–April (nor'easters). Nor'easters, tropical remnants, and urban flash flooding drives precipitation events in this region.
Transition months
Seasonal transitions bring variable conditions — a live radar is more reliable than a forecast during these less predictable windows.
Drier season (January–February)
Precipitation probability drops in Chatham during January–February, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Chatham
Commuters and Drivers in Chatham
A radar check before leaving gives Chatham drivers 20+ minutes to adjust timing or avoid flood-prone roads. Real-time NEXRAD is more actionable than a forecast probability for daily commute decisions in New York.
Outdoor Planning in Chatham
Residents and visitors planning outdoor activities in Chatham benefit from knowing exactly when rain will arrive from southwest or northeast. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in Chatham
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. For Chatham, New York, the primary NEXRAD source is KOKX (Upton NY).
Chatham Rain Radar: Frequently Asked Questions
- Does Chatham flood when it rains?
Chatham can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Nor'easters, tropical remnants, and urban flash flooding means runoff can accumulate quickly in parts of New York. A live radar provides advance warning before conditions develop.
- When is the rainy season in Chatham?
Chatham's primary rain season runs through June–August (convective) and September–October (tropical peak) and March–April (nor'easters). The driest period is typically January–February.
- Is there a live rain radar for Chatham?
Yes — RainViewer shows live NEXRAD data for Chatham at up to 250-meter resolution, updated every 4–6 minutes from KOKX (Upton NY). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for Chatham?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Chatham, New York. Set an alert for your specific address — not just a general New York area warning.
Track Rain in Chatham in Real Time
Rain can arrive in Chatham faster than a forecast update — a live radar gives you the window to act.
Forecasts cover New York broadly. RainViewer shows the cell position over Chatham right now.
Your weather app shows rain likely near Chatham. RainViewer shows the cell position and minutes to arrival.
Track rain in Chatham — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach Chatham
Rain alerts before arrival
set an alert for your Chatham address
Direction arrows
storms approach Chatham from southwest or northeast
48 hours of radar history
review recent rain patterns in Chatham
Multiple locations
track Chatham alongside nearby communities
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