Our Proprietary 10-Day Forecast

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Current warnings over Santa Ana, California
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Santa Ana, California red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Santa Ana, California red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Orange County, CA

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Santa Ana, California

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Santa Ana, CA please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Santa Ana, CA

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Santa Ana, CA, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Santa Ana, California

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Orange County, California

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Santa Ana, California Climate Summary

General Climate

    •   Mediterranean climate with mild, wet winters and warm, dry summers.
    •   Average annual temperature: 61.3°F (16.3°C)
    •   Average annual precipitation: 13.64 inches (34.7 cm)

Temperature

    •   Summer (June     •   August): Average high temperatures in the low 80s°F (upper 20s°C), average low temperatures in the mid 60s°F (mid 10s°C)
    •   Winter (December     •   February): Average high temperatures in the mid 60s°F (mid 10s°C), average low temperatures in the low 40s°F (low 10s°C)

Precipitation

    •   Most rain falls between November and April.
    •   Driest months are June, July, and August, with average precipitation of less than 0.1 inches (0.25 cm) per month.
    •   Heaviest rainfall typically occurs in February, with an average of 2.5 inches (6.4 cm).

Sunshine

    •   Santa Ana receives an average of 280 sunny days per year.
    •   June and July are the sunniest months, with an average of 12 hours of sunshine per day.
    •   December and January are the cloudiest months, with an average of only 5 hours of sunshine per day.

Humidity

    •   Relative humidity is generally low, averaging around 60%.
    •   Humidity is highest in the morning and evening, and lowest in the afternoon.

Wind

    •   Santa Ana winds are a common occurrence in the fall and winter months.
    •   These strong, dry winds can cause damage to property and infrastructure.

Climate Change

    •   Climate change is expected to bring warmer temperatures and more extreme weather events to Santa Ana.
    •   Average temperatures are projected to increase by 2-4°F (1-2°C) by the end of the century.
    •   More frequent and intense heat waves are also expected.
    •   Sea levels are also rising, which could lead to more flooding and erosion along the coast.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Santa Ana River: The river's floodplain once supported a vast riparian forest, home to native plants and animals.

    •   Santiago Creek: This creek is a major tributary of the Santa Ana River and provides habitat for steelhead trout.

    •   Santa Ana Mountains: These mountains are home to a diverse array of plant and animal life, including the endangered California gnatcatcher.

Science

    •   Boeing C-17 Globemaster III: The world's largest military transport aircraft was first assembled in Santa Ana.

    •   Edwards Lifesciences: A medical device company headquartered in Santa Ana, known for its heart valves and other cardiovascular products.

    •   University of California, Irvine: UCI is a major research university located in Santa Ana, with strengths in medicine, engineering, and physical sciences.

Personalities

    •   John Wayne: The iconic actor lived in Santa Ana for many years and is buried in the city's Fairhaven Memorial Park.

    •   Richard Nixon: The 37th President of the United States was born in Santa Ana and attended Fullerton College.

    •   Amelia Earhart: The legendary aviator visited Santa Ana during her cross-country flights and stayed at the Hotel Santa Ana.

Tourist Attractions
1.Disneyland Resort:

Located in nearby Anaheim, Disneyland is a world-renowned theme park that offers a magical experience for visitors of all ages.

2.Knott's Berry Farm:

Also located in Anaheim, Knott's Berry Farm is a family-friendly amusement park with a rich history and a variety of rides, shows, and attractions.

3.Mission San Juan Capistrano:

This historic mission, founded in 1776, is a beautiful and serene place to visit. Visitors can explore the mission's buildings, gardens, and museum, and learn about its history and significance.

Nearby Cities:

Tustin, CA
Orange, CAGarden Grove, CA
Irvine, CAFountain Valley, CA
Villa Park, CAAnaheim, CA
Midway City, CACosta Mesa, CA
Westminster, CAStanton, CA
Placentia, CANewport Beach, CA
Huntington Beach, CAFullerton, CA
Yorba Linda, CACypress, CA
Los Angeles, CA
San Diego, CALong Beach, CA
Riverside, CAChula Vista, CA
San Bernardino, CAFontana, CA
Oxnard, CAMoreno Valley, CA
Glendale, CASanta Clarita, CA
Oceanside, CA