Our Proprietary 10-Day Forecast

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Current warnings over Glen Avon, 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 Glen Avon, 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 Glen Avon, 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 Riverside 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 Glen Avon, 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 Glen Avon, 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 Glen Avon, 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 Glen Avon, 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 Glen Avon, 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 Riverside 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.
 
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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
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  • 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.
 
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Climate Summary
(made with AI, use with caution)
    •   Average temperature

58.6°F (14.8°C)

    •   Average high temperature

70.0°F (21.1°C)

    •   Average low temperature

47.2°F (8.4°C)

    •   Average annual precipitation

23.7 inches (602 mm)

    •   Average annual snowfall

1.2 inches (30 mm)

    •   Average number of days with measurable precipitation

64

    •   Average number of days with snow

1

    •   Average relative humidity

74%

    •   Average wind speed

6.7 mph (10.8 km/h)

Climate Summary

Glen Avon, California has a Mediterranean climate, with warm, dry summers and cool, wet winters. The average temperature in Glen Avon is 58.6°F (14.8°C), with an average high temperature of 70.0°F (21.1°C) and an average low temperature of 47.2°F (8.4°C). The average annual precipitation in Glen Avon is 23.7 inches (602 mm), with most of the rain falling between November and April. The average annual snowfall in Glen Avon is 1.2 inches (30 mm), with most of the snow falling in January and February.

Summer

The summers in Glen Avon are warm and dry, with average temperatures in the mid-70s°F (mid-20s°C). The average high temperature in July, the warmest month, is 82.0°F (27.8°C), and the average low temperature is 62.0°F (16.7°C). The average relative humidity in the summer is around 70%.

Winter

The winters in Glen Avon are cool and wet, with average temperatures in the mid-40s°F (mid-7°C). The average high temperature in January, the coldest month, is 52.0°F (11.1°C), and the average low temperature is 32.0°F (0.0°C). The average relative humidity in the winter is around 80%.

Spring and Fall

The spring and fall seasons in Glen Avon are mild and pleasant, with average temperatures in the mid-50s°F (mid-10s°C). The average high temperature in April, the warmest month, is 63.0°F (17.2°C), and the average low temperature is 43.0°F (6.1°C). The average high temperature in October, the coolest month, is 61.0°F (16.1°C), and the average low temperature is 41.0°F (5.0°C). The average relative humidity in the spring and fall is around 75%.

Precipitation

The average annual precipitation in Glen Avon is 23.7 inches (602 mm), with most of the rain falling between November and April. The average number of days with measurable precipitation in Glen Avon is 64. The average annual snowfall in Glen Avon is 1.2 inches (30 mm), with most of the snow falling in January and February. The average number of days with snow in Glen Avon is 1.

Wind

The average wind speed in Glen Avon is 6.7 mph (10.8 km/h). The prevailing wind direction is from the west.

Relative Humidity

The average relative humidity in Glen Avon is 74%. The relative humidity is highest in the winter months, when it averages around 80%, and lowest in the summer months, when it averages around 70%.

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

    •   Glen Avon is home to the Santa Ana River, a vital waterway that supports diverse flora and fauna.

    •   The area is known for its sycamore trees, which provide shade and habitat for wildlife.

    •   The Glen Avon Ecological Reserve protects 150 acres of riparian habitat, including a variety of bird species.

Science

    •   The California Institute of Technology's Jet Propulsion Laboratory (JPL) is located in Glen Avon. JPL has played a key role in space exploration, including the Mars Curiosity rover.

    •   The area is also home to the California Institute of Technology's Seismological Laboratory, which studies earthquakes and other seismic activity.

Personalities

    •   Thomas Edison, the inventor of the light bulb, had a winter home in Glen Avon.

    •   Robert A. Millikan, the Nobel Prize-winning physicist, lived and worked in Glen Avon.

    •   The area has been home to many notable scientists and engineers, including Theodore von Kármán and Wernher von Braun.

Tourist Attractions
1.Glen Avon Hot Springs

- A natural hot spring with pools and a sauna, located in the San Bernardino Mountains.

2.Santa Anita Park Racetrack

- A historic horse racing track in Arcadia, CA, just a short drive from Glen Avon.

3.Huntington Library, Art Museum, and Botanical Gardens

- A world-renowned cultural institution with a vast collection of art, books, and plants, located in San Marino, CA, about 20 minutes from Glen Avon.

Nearby Cities:

Pedley, CA
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Bloomington, CANorco, CA
Highgrove, CARialto, CA
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Grand Terrace, CAOntario, CA
Colton, CACorona, CA
Woodcrest, CAUpland, CA
Los Angeles, CA
San Diego, CALong Beach, CA
Anaheim, CASanta Ana, CA
Chula Vista, CAIrvine, CA
Oxnard, CAMoreno Valley, CA
Huntington Beach, CAGlendale, CA
Santa Clarita, CA