Our Proprietary 10-Day Forecast

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Current warnings over Casselberry, Florida
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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 Casselberry, Florida 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 Casselberry, Florida 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 Seminole County, FL

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 Casselberry, Florida

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 Casselberry, FL 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 Casselberry, FL

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 Casselberry, FL, 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 Casselberry, Florida

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 Seminole County, Florida

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:
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  • 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.
 
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Climate Summary
(made with AI, use with caution)
    •   Average Annual Temperature

73.3°F (22.9°C)

    •   Average Annual High

83.4°F (28.6°C)

    •   Average Annual Low

63.2°F (17.3°C)

    •   Record High

103°F (39.4°C)

    •   Record Low

18°F (-7.8°C)

    •   Average Annual Precipitation

52.4 inches (133.1 cm)

    •   Average Annual Snowfall

0.0 inches (0.0 cm)

    •   Average Number of Rainy Days

120 days

    •   Average Number of Sunny Days

230 days

    •   Average Number of Cloudy Days

115 days

    •   Average Humidity

75%

Climate Overview

Casselberry, Florida has a humid subtropical climate, with hot, humid summers and mild, dry winters. The average annual temperature is 73.3°F (22.9°C), with average highs in the upper 80s and average lows in the low 60s. The hottest months are June, July, and August, with average temperatures in the low 90s. The coldest months are December, January, and February, with average temperatures in the low 50s.

Casselberry receives an average of 52.4 inches of rain per year, with most of the rain falling during the summer months. The wettest month is June, with an average of 7.9 inches of rain. The driest month is November, with an average of 2.0 inches of rain.

Casselberry experiences an average of 230 sunny days per year. The sunniest months are July and August, with an average of 10 hours of sunshine per day. The cloudiest months are December and January, with an average of only 5 hours of sunshine per day.

The average humidity in Casselberry is 75%. The most humid months are June, July, and August, with an average humidity of 80%. The least humid months are October and November, with an average humidity of 70%.

Climate Extremes

The highest temperature ever recorded in Casselberry was 103°F (39.4°C) on July 1, 1981. The lowest temperature ever recorded in Casselberry was 18°F (-7.8°C) on January 21, 1985.

The wettest year on record in Casselberry was 1994, with a total of 83.2 inches of rain. The driest year on record was 1956, with a total of only 26.2 inches of rain.

The snowiest year on record in Casselberry was 1977, with a total of 2.0 inches of snow. However, snowfall is very rare in Casselberry, and it typically melts quickly.

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

    •   Casselberry is located within the Central Florida Ridge, a geological formation known for its rolling hills and numerous lakes.

    •   The city is home to Lake Howell, a 1,100-acre lake that supports a diverse ecosystem, including bald eagles, ospreys, and alligators.

    •   The Casselberry Nature Trail winds through a 30-acre preserve, offering opportunities for wildlife viewing and environmental education.

Science

    •   Casselberry is the headquarters of the American Meteorological Society (AMS), the world's largest scientific and professional society for atmospheric and related sciences.

    •   The AMS operates the National Weather Service Forecast Office for Central Florida, providing weather forecasts and warnings to the region.

    •   The city is also home to the Central Florida Research Park, which houses research facilities for several universities and companies in fields such as biotechnology and environmental science.

Personalities

    •   Casselberry was named after Dr. William H. Casselberry, a prominent physician and orange grower who donated land for the city's first schoolhouse.

    •   The city is also home to the Casselberry Art House, a non-profit organization that showcases local and regional artists and provides art education programs.

    •   Notable residents have included astronaut Buzz Aldrin, who lived in Casselberry during his training for the Apollo 11 mission to the moon.

Tourist Attractions
1.Central Florida Zoo & Botanical Gardens:

Home to over 500 animal species and 300 plant species, this zoo and botanical garden offers a diverse array of exhibits and experiences.

2.Lake Monroe Park:

A sprawling park located on the shores of Lake Monroe, featuring a beach, boat ramp, fishing pier, playground, and picnic areas.

3.Casselberry Golf Club:

An 18-hole championship golf course designed by Arnold Palmer, offering challenging play for golfers of all skill levels.

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