Is it raining now in SeaTac?
Sunny
9 JulNo upcoming precipitation for the next hour.
Last update: 19:00, 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 SeaTac: What You Need to Know
SeaTac, Washington experiences Pacific marine climate — 150+ rain days per year. The SeaTac rain radar delivers real-time NEXRAD data from KATX (Camano Island), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Washington typically approach from southwest off Pacific, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader Washington region. RainViewer shows the actual cell over SeaTac right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in SeaTac
Peak rain season (October–April (frontal/AR season); July–August reliably dry)
SeaTac's highest weather risk aligns with October–April (frontal/AR season); July–August reliably dry. Pacific marine climate — 150+ rain days per year 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 (July–August)
Precipitation probability drops in SeaTac during July–August, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in SeaTac
Commuters and Drivers in SeaTac
A radar check before leaving gives SeaTac 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 Washington.
Outdoor Planning in SeaTac
Residents and visitors planning outdoor activities in SeaTac benefit from knowing exactly when rain will arrive from southwest off Pacific. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in SeaTac
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 SeaTac, Washington, the primary NEXRAD source is KATX (Camano Island).
SeaTac Rain Radar: Frequently Asked Questions
- Does SeaTac flood when it rains?
SeaTac can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Pacific marine climate — 150+ rain days per year means runoff can accumulate quickly in parts of Washington. A live radar provides advance warning before conditions develop.
- When is the rainy season in SeaTac?
SeaTac's primary rain season runs through October–April (frontal/AR season); July–August reliably dry. The driest period is typically July–August.
- Is there a live rain radar for SeaTac?
Yes — RainViewer shows live NEXRAD data for SeaTac at up to 250-meter resolution, updated every 4–6 minutes from KATX (Camano Island). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for SeaTac?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in SeaTac, Washington. Set an alert for your specific address — not just a general Washington area warning.
Track Rain in SeaTac in Real Time
Rain can arrive in SeaTac faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Washington broadly. RainViewer shows the cell position over SeaTac right now.
Your weather app shows rain likely near SeaTac. RainViewer shows the cell position and minutes to arrival.
Track rain in SeaTac — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach SeaTac
Rain alerts before arrival
set an alert for your SeaTac address
Direction arrows
storms approach SeaTac from southwest off Pacific
48 hours of radar history
review recent rain patterns in SeaTac
Multiple locations
track SeaTac alongside nearby communities
RainViewer
