Cornwall
Weather in Cornwall, live
The weather over Cornwall as it is measured right now, from radar and the airport reports at Massena Intl, beside the forecast model’s temperature and wind. Each layer says which it is.
Right now · as of
- KMSS Massena Intl, 13 km: 1 °C, wind calm, visibility 10+ miles · VFR · 18 minutes ago
What the map shows over Cornwall
- Rain radarMeasuredCornwall is inside RainViewer’s radar coverage. Frames every 10 minutes for the last 2 hours.Open on the mapAbout this layer
- LightningMeasuredCornwall is inside the area NOAA’s lightning layer covers, the Americas and the Pacific. Strike density every 15 minutes.Open on the mapAbout this layer
- Temperature mapForecast modelNOAA’s GFS model on a 0.25° grid, points about 25 km apart: the forecast for now, not a thermometer reading.Open on the mapAbout this layer
- Wind mapForecast modelWind 10 metres up from the same model, so it smooths over streets and hills.Open on the mapAbout this layer
- Severe weather alertsOfficial warningsWeather warnings from Environment Canada and the provinces.Open on the mapAbout this layer
- Airport weather (METAR)MeasuredThe latest reports from Massena Intl (KMSS), 13 km away, usually every hour.Open on the mapAbout this layer
Good to know
- Radar, lightning and airport reports are measurements. Temperature and wind are a forecast model’s values for the nearest hour, which can differ from what a thermometer in Cornwall reads.
- Radar detail stops at about zoom 7 and lightning at zoom 8, so the weather of a single street isn’t resolved.
- For a picture of conditions, not for safety decisions: follow the warnings of your local weather service.
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