Our Proprietary 10-Day Forecast

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Current warnings over Porterville, 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 Porterville, 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 Porterville, 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 Tulare 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 Porterville, 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 Porterville, 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 Porterville, 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 Porterville, 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 Porterville, 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 Tulare 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.
 
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Climate Summary
(made with AI, use with caution)
Porterville, CA Climate Summary:

Porterville, California experiences a Mediterranean climate characterized by hot, dry summers and mild, wet winters. Here's a summary of the climate conditions in Porterville:1.Temperature


    •   Average Annual Temperature: 61.1°F (16.2°C)
    •   Average Summer Temperature (June     •   August): 89.5°F (31.9°C)
    •   Average Winter Temperature (December     •   February): 42.9°F (6.1°C)
    •   Record High Temperature: 119°F (48.3°C)
    •   Record Low Temperature: 12°F (-11.1°C)

2. Precipitation


    •   Average Annual Precipitation: 12.07 inches (30.7 cm)
    •   Average Rainy Days per Year: 49
    •   Most Precipitation Month: February (2.38 inches / 6.05 cm)
    •   Driest Month: July (0.02 inches / 0.05 cm)

3. Humidity


    •   Average Annual Humidity: 61%
    •   Highest Monthly Humidity: January (71%)
    •   Lowest Monthly Humidity: June (43%)

4. Wind


    •   Average Annual Wind Speed: 7.0 mph (11.3 km/h)
    •   Prevailing Wind Direction: West-Southwest

5. Sunshine


    •   Average Annual Sunshine Hours: 3,100 hours
    •   Average Daily Sunshine Hours: 8.5 hours

6. Seasons


    •   Spring (March     •   May): Mild temperatures, occasional showers, and blooming flowers.
    •   Summer (June     •   August): Hot and dry, with minimal precipitation.
    •   Fall (September     •   November): Warm days and cool nights, with occasional rain.
    •   Winter (December     •   February): Mild temperatures, occasional frost, and light rainfall.

7. Climate Extremes


    •   Porterville has experienced extreme weather events, including heat waves, droughts, floods, and wildfires.
    •   The city is prone to occasional thunderstorms during the summer months.

8. Climate Change Impact


    •   Porterville's climate is projected to become warmer and drier in the future due to climate change.
    •   Rising temperatures may lead to more frequent and intense heat waves, affecting human health and agriculture.
    •   Changes in precipitation patterns could result in increased flooding or drought conditions.

9. Local Climate Variations


    •   Porterville's climate can vary slightly within the city due to its location in the San Joaquin Valley.
    •   Areas closer to the foothills may experience cooler temperatures and more precipitation compared to the valley floor.

Overall, Porterville's climate is characterized by warm, dry summers and mild, wet winters. The city's Mediterranean climate supports a diverse range of plant and animal life, making it a popular destination for outdoor recreation and agriculture.

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

    •   Porterville lies at the base of the Sierra Nevada foothills, where the San Joaquin Valley meets the mountains.

    •   The area is home to diverse flora and fauna, including oak woodlands, grasslands, and vernal pools.

    •   The nearby Sequoia National Park boasts giant sequoia trees, among the largest living organisms on Earth.

Science

    •   Porterville College has a strong science program, with emphasis on agriculture, environmental science, and biotechnology.

    •   The city hosts the Porterville Museum of History, which features exhibits on the area's natural and cultural history.

Personalities

  • John Muir:

    The famed naturalist and conservationist spent time in the Porterville area, studying the giant sequoias.

  • John Steinbeck:

    The Pulitzer Prize-winning author visited Porterville and wrote about the migrant farmworkers in his novel \

    • Tourist Attractions
    1.Sequoia National Park:

    Home to the world's largest trees, including the General Sherman Tree, the park offers breathtaking views, hiking trails, and wildlife viewing opportunities.

    2.Porterville Museum:

    This museum showcases the history and culture of Porterville and the surrounding area, featuring exhibits on agriculture, industry, and local events.

    3.Camp Nelson:

    Located just north of Porterville, this former military fort offers a glimpse into California's past. Visitors can explore the restored buildings, learn about the fort's history, and enjoy scenic views of the surrounding mountains.

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