NWS, American, European side by side around Rosslyn and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Rosslyn is a small town of about 9,599 people in VA, sitting at 38.9°N in a temperate climate zone. NWS, American, European each forecast Rosslyn with their own physics, so we line all three up and flag where they disagree. Nearby towns include Foggy Bottom, Georgetown, Golden Triangle.
Common questions
What's the weather in Rosslyn today?
On this page we show what NWS, American, European each forecast for Rosslyn today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Rosslyn today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Rosslyn and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Rosslyn?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Rosslyn forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.