Costa Mesa

Weather in Costa Mesa, live

The weather over Costa Mesa as it is measured right now, from radar and the airport reports at Santa Ana/Wayne Arpt and Los Alamitos AAF, beside the forecast model’s temperature and wind. Each layer says which it is.

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Right now · as of

  • KSNA Santa Ana/Wayne Arpt, 6 km: 23 °C (73 °F), wind from 200° at 10 kt, visibility 10+ miles · VFR · 15 minutes ago
  • KSLI Los Alamitos AAF, 21 km: 24 °C (74 °F), wind from 180° at 7 kt, visibility 10+ miles · VFR · 13 minutes ago
  • KFUL Fullerton Muni, 26 km: 24 °C (75 °F), wind from 230° at 7 kt, visibility 10+ miles · VFR · 15 minutes ago
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What the map shows over Costa Mesa

  • Rain radarMeasuredCosta Mesa is inside RainViewer’s radar coverage. Frames every 10 minutes for the last 2 hours.Open on the mapAbout this layer
  • LightningMeasuredCosta Mesa 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 warningsActive alerts from the US National Weather Service, each pinned as one point.Open on the mapAbout this layer
  • Airport weather (METAR)MeasuredThe latest reports from Santa Ana/Wayne Arpt (KSNA), 6 km away, Los Alamitos AAF (KSLI), 21 km away, Fullerton Muni (KFUL), 26 km away and Long Beach Arpt (KLGB), 28 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 Costa Mesa 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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