Skip to content

Checked

Costa Mesa, CA 92626 Weather

It is 70°F and cloudy in Costa Mesa, CA 92626, observed at 1:25 PM PDT. Today: Chance Rain Showers, high 71°F, low 58°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Costa Mesa, CA 92626 current weather

70°F

Cloudy

H 71° / L 58°Feels like 70°

Observed at John Wayne-Orange County Airport (2.3 mi away), 10/30/2026, 1:25 PM PDT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Minor1Minimal to no known threat

Hourly forecast

NWS, updated 10/30/2026, 11:31 AM PT

  1. Now70°25%
  2. 2 PM71°25%
  3. 3 PM70°25%
  4. 4 PM70°25%
  5. 5 PM69°30%
  6. 6 PM67°30%
  7. 7 PM65°30%
  8. 8 PM64°30%
  9. 9 PM62°30%
  10. 10 PM61°30%
  11. 11 PM61°30%
  12. 12 AM61°30%Sat
  13. 1 AM60°30%
  14. 2 AM60°30%
  15. 3 AM59°30%
  16. 4 AM59°30%
  17. 5 AM59°26%
  18. 6 AM58°26%
  19. 7 AM58°26%
  20. 8 AM60°26%
  21. 9 AM64°26%
  22. 10 AM67°26%
  23. 11 AM69°16%
  24. 12 PM70°16%
  25. 1 PM70°16%
  26. 2 PM71°16%
  27. 3 PM70°16%
  28. 4 PM70°16%
  29. 5 PM70°40%
  30. 6 PM67°40%
  31. 7 PM66°40%
  32. 8 PM64°40%
  33. 9 PM63°40%
  34. 10 PM62°40%
  35. 11 PM62°70%
  36. 12 AM62°70%Sun
  37. 1 AM61°70%
  38. 1 AM61°70%
  39. 2 AM60°70%
  40. 3 AM60°70%
  41. 4 AM60°66%
  42. 5 AM60°66%
  43. 6 AM61°66%
  44. 7 AM62°66%
  45. 8 AM64°66%
  46. 9 AM65°66%
  47. 10 AM67°34%
  48. 11 AM68°34%

10-day forecast

Tap a day for details

  • Today10/3030% chance of precipitationLow 58°High 71°

    This Afternoon: A chance of rain showers. Partly sunny, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: A chance of rain showers before 5am, then a chance of rain. Mostly cloudy, with a low around 58. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Chance Rain Showers
  • Sat10/3170% chance of precipitationLow 59°High 71°

    Saturday: A chance of rain. Cloudy, with a high near 71. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: Rain likely. Cloudy, with a low around 59. Northwest wind around 0 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Chance Light Rain
  • Sun11/166% chance of precipitationLow 56°High 70°

    Sunday: Rain likely before 10am, then a chance of rain showers between 10am and 4pm. Partly sunny, with a high near 70. West wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

    Sunday Night: Partly cloudy, with a low around 56.

    Light Rain Likely then Chance Rain Showers
  • Mon11/2Low 58°High 75°

    Monday: Sunny, with a high near 75.

    Monday Night: Mostly clear, with a low around 58.

    Sunny
  • Tue11/3Low 57°High 76°

    Tuesday: Sunny, with a high near 76.

    Tuesday Night: Partly cloudy, with a low around 57.

    Sunny
  • Wed11/4Low 57°High 74°

    Wednesday: Mostly sunny, with a high near 74.

    Wednesday Night: Partly cloudy, with a low around 57.

    Mostly Sunny
  • Thu11/514% chance of precipitationLow 56°High 73°

    Thursday: Mostly sunny, with a high near 73.

    Thursday Night: Partly cloudy, with a low around 56.

    Mostly Sunny
  • Fri11/6Model blend15% chance of precipitationLow 57°High 73°

    Friday: Mostly sunny, slight chance of rain. High near 73°. Low that night near 57°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 59°High 76°

    Saturday: Mostly sunny. High near 76°. Low that night near 59°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 59°High 78°

    Sunday: Mostly sunny. High near 78°. Low that night near 59°. About 0.06 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 33.678, -117.907 from the NWS SGX office, updated 10/30/2026, 11:31 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSNA (Santa Ana/Wayne Arpt, 2 mi), model run 10/30/2026, 7:00 AM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now70°Chance Rain Showers25%5 mph
  2. 2 PM71°Chance Rain Showers25%5 mph
  3. 3 PM70°Chance Rain Showers25%5 mph
  4. 4 PM70°Chance Rain Showers25%5 mph
  5. 5 PM69°Chance Rain Showers30%5 mph
  6. 6 PM67°Chance Rain Showers30%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Costa Mesa, CA 92626 right now?
The latest observation from John Wayne-Orange County Airport was 70°F and cloudy, reported at 10/30/2026, 1:25 PM PDT.
What is the high temperature today in Costa Mesa, CA 92626?
The National Weather Service forecast for this afternoon calls for a high near 71°F. Chance Rain Showers.
Will it rain in Costa Mesa, CA 92626 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Costa Mesa, CA 92626?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 73°F to 78°F. Model guidance this far out often changes.
What time is sunrise and sunset in Costa Mesa, CA 92626 today?
Sunrise is about 7:09 AM PDT and sunset is about 6:01 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Costa Mesa, CA 92626?
At Santa Ana John Wayne AP, the 1991 to 2020 normal high in October is 77°F and the normal low is 59°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.55 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: NORTE Fire (570 acres), HENDERSON Fire (0 acres), LAC-389240 Fire, LAC-389289 Fire, LAC-389354 Fire

UV and air quality forecast

EPA and AirNow

AQI forecast today (N Coastal Orange)
36GoodOzone
AQI forecast tomorrow (N Coastal Orange)
41GoodOzone

UV index guide · Air quality

Drought

By county

Orange County, week of 10/27/2026

No drought or abnormal dryness in this county.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:09 AM
Sunset
6:01 PM
Daylight
10 hr 52 min
Moon
Waning Gibbous 77% lit
First light (civil dawn)
6:43 AM
Last light (civil dusk)
6:26 PM
Moonrise
9:59 PM
Moonset
12:14 PM

Normal October weather

Climate

Normal October high 77°, low 59°, precipitation 0.54 in for the month. 1991 to 2020 normals at Santa Ana John Wayne AP, 2 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer