Is it raining now in Annapolis?
Light rain
9 JulEnds at 21:10.
Last update: 21:00, 9 Jul 2026
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Rain in Annapolis: What You Need to Know
Annapolis, Maryland experiences mid-Atlantic. The Annapolis rain radar provides hyperlocal radar coverage updated every 4–6 minutes from KLWX (Sterling VA), showing exactly when and where precipitation will reach the area — a level of precision that city-wide forecasts cannot match. Rain in Annapolis is shaped by mid-atlantic; chesapeake bay tidal influence; patapsco river flash flood history (ellicott city 2016+2018 events).
RainViewer draws on live NEXRAD data from KLWX (Sterling VA) to show precipitation at up to 250-meter resolution across Annapolis and surrounding Maryland communities. Storms typically approach from the southwest, and the live map shows the cell's movement vector — giving residents, commuters, and outdoor workers the advance notice they need before conditions change.
Rain by Season in Annapolis
Peak rain season (June–September (convective) and October–April (nor'easters))
Annapolis sees its most active weather during June–September (convective) and October–April (nor'easters). Mid-atlantic drives the primary precipitation risk during this window.
Transition months
Seasonal transitions bring variable conditions to Annapolis — conditions can shift rapidly and forecast accuracy is lower than during the established wet or dry season.
Drier season (winter months)
During winter months, precipitation risk in Annapolis drops significantly. This is the most reliable window for outdoor activities and events, though no season is entirely risk-free.
Why You Need a Rain Radar in Annapolis
Annapolis Flood-Zone Residents and Property Managers
Annapolis's low-lying areas near river corridors and urban drainage channels can rise rapidly during intense rain events. A live radar showing an intense cell approaching from the southwest gives residents and property managers 20–30 minutes to move vehicles, prepare drainage systems, and alert household members before conditions become dangerous.
Commuters and Highway Drivers in Annapolis
Rain events in Annapolis can close roads and create dangerous driving conditions with minimal warning. Checking the radar 20 minutes before departure reveals whether an incoming cell will clear before your route or whether a 30-minute delay will mean dry roads — a practical decision that saves time and reduces flood-crossing risk on Annapolis's most weather-sensitive corridors.
Outdoor Recreation and Event Planning in Annapolis
Annapolis's outdoor venues, parks, and recreational areas are directly exposed to the seasonal rain events that characterize Maryland's June–September (convective) and October–April (nor'easters) weather window. A live radar check 30–60 minutes ahead tells event managers and outdoor enthusiasts whether to proceed with outdoor plans or prepare for disruption.
RainViewer Radar Coverage in Annapolis
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 Annapolis, Maryland, the primary NEXRAD source is KLWX (Sterling VA), providing hyperlocal radar coverage across the area.
Annapolis Rain Radar: Frequently Asked Questions
- Does Annapolis flood when it rains heavily?
Yes — Annapolis's low-lying areas near river corridors and urban drainage channels creates documented flood risk during intense rain events. Mid-atlantic means that rainfall runs off rapidly into drainage channels and low-lying streets. Avoiding low-lying crossings and low underpasses during active radar cells reduces flood risk significantly.
- When is Annapolis's rainy season?
Annapolis's primary rain season runs through June–September (convective) and October–April (nor'easters), when mid-Atlantic drives the most active weather. The driest period is typically winter months, when outdoor activities and travel planning carry the lowest weather risk.
- Why is rain in Annapolis so hard to predict precisely?
Annapolis's rain character is shaped by mid-Atlantic, which creates localized precipitation patterns that vary significantly across the city. A forecast covers the broader Maryland region; a hyperlocal radar at 250-meter resolution shows the actual cell position over Annapolis in real time, updated every 4–6 minutes from KLWX (Sterling VA).
- Is there a live rain radar for Annapolis?
Yes — RainViewer displays live NEXRAD data for Annapolis at up to 250-meter resolution, updated every 4–6 minutes from KLWX (Sterling VA). The map shows current precipitation, storm movement direction, and a 2-hour nowcast — so you can see whether the cell approaching from the southwest will reach Annapolis or change track before arrival.
Track Rain in Annapolis in Real Time
Rain in Annapolis changes fast — a live radar gives you the 20-minute window a forecast never can.
Forecasts cover the region. RainViewer shows the cell position over Annapolis right now.
Your weather app shows rain likely near Annapolis. RainViewer shows the cell's exact position.
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