Is it raining now in Swarthmore?
Sunny
11 JulNo upcoming precipitation for the next hour.
Last update: 07:00, 11 Jul 2026
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Rain in Swarthmore: What You Need to Know
Swarthmore, Pennsylvania experiences Appalachian storms and tropical remnants. The Swarthmore rain radar delivers real-time NEXRAD data from KPBZ (Pittsburgh) / KDIX (Fort Dix), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Pennsylvania typically approach from southwest or northwest, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader Pennsylvania region. RainViewer shows the actual cell over Swarthmore right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Swarthmore
Peak rain season (June–September (convective+tropical) and March–April (frontal))
Swarthmore's highest weather risk aligns with June–September (convective+tropical) and March–April (frontal). Appalachian storms and tropical remnants 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 (June–August)
Precipitation probability drops in Swarthmore during June–August, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Swarthmore
Commuters and Drivers in Swarthmore
A radar check before leaving gives Swarthmore 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 Pennsylvania.
Outdoor Planning in Swarthmore
Residents and visitors planning outdoor activities in Swarthmore benefit from knowing exactly when rain will arrive from southwest or northwest. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in Swarthmore
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 Swarthmore, Pennsylvania, the primary NEXRAD source is KPBZ (Pittsburgh) / KDIX (Fort Dix).
Swarthmore Rain Radar: Frequently Asked Questions
- Does Swarthmore flood when it rains?
Swarthmore can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Appalachian storms and tropical remnants means runoff can accumulate quickly in parts of Pennsylvania. A live radar provides advance warning before conditions develop.
- When is the rainy season in Swarthmore?
Swarthmore's primary rain season runs through June–September (convective+tropical) and March–April (frontal). The driest period is typically June–August.
- Is there a live rain radar for Swarthmore?
Yes — RainViewer shows live NEXRAD data for Swarthmore at up to 250-meter resolution, updated every 4–6 minutes from KPBZ (Pittsburgh) / KDIX (Fort Dix). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for Swarthmore?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Swarthmore, Pennsylvania. Set an alert for your specific address — not just a general Pennsylvania area warning.
Track Rain in Swarthmore in Real Time
Rain can arrive in Swarthmore faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Pennsylvania broadly. RainViewer shows the cell position over Swarthmore right now.
Your weather app shows rain likely near Swarthmore. RainViewer shows the cell position and minutes to arrival.
Track rain in Swarthmore — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach Swarthmore
Rain alerts before arrival
set an alert for your Swarthmore address
Direction arrows
storms approach Swarthmore from southwest or northwest
48 hours of radar history
review recent rain patterns in Swarthmore
Multiple locations
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