Our Proprietary 10-Day Forecast

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Current warnings over Hillsborough Park, 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 Hillsborough Park, 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 Hillsborough Park, 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 San Mateo 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 Hillsborough Park, 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 Hillsborough Park, 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 Hillsborough Park, 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 Hillsborough Park, 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 Hillsborough Park, 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 San Mateo 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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  • 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)
Hillsborough Park, California Climate Summary

General Climate

    •   Mediterranean climate with mild, wet winters and warm, dry summers
    •   Average annual temperature: 58.4°F (14.7°C)
    •   Average annual precipitation: 22.2 inches (564 mm)

Temperature

    •   Average January temperature: 46.2°F (7.9°C)
    •   Average July temperature: 72.9°F (22.7°C)
    •   Record high temperature: 113°F (45°C)
    •   Record low temperature: 16°F (-9°C)

Precipitation

    •   Average annual precipitation: 22.2 inches (564 mm)
    •   Most precipitation occurs during the winter months (November-March)
    •   Average number of rainy days per year: 61

Humidity

    •   Average annual relative humidity: 72%
    •   Humidity is highest during the winter months (November-March) and lowest during the summer months (June-August)

Wind

    •   Average wind speed: 7.9 mph (12.7 km/h)
    •   Prevailing wind direction: West-southwest

Sunshine

    •   Average annual sunshine: 2,900 hours
    •   Most sunshine occurs during the summer months (June-August)

Climate Summary Table

| Month | Avg. Temp. (°F) | Avg. Precip. (in.) |
|---|---|---|
| January | 46.2 | 3.6 |
| February | 48.7 | 3.2 |
| March | 52.6 | 2.9 |
| April | 57.2 | 1.8 |
| May | 62.1 | 0.9 |
| June | 67.8 | 0.2 |
| July | 72.9 | 0.1 |
| August | 72.6 | 0.1 |
| September | 68.1 | 0.4 |
| October | 61.7 | 1.4 |
| November | 53.6 | 2.4 |
| December | 47.3 | 3.2 |

Overall, Hillsborough Park, California has a mild, Mediterranean climate with warm, dry summers and mild, wet winters.

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

    •   Hillsborough Park is home to a diverse ecosystem, including redwood, oak, and eucalyptus forests, as well as wetlands and grasslands.

    •   The park is a significant birdwatching site, with over 150 species observed, including great blue herons, red-tailed hawks, and California quail.

    •   The park's wetlands provide habitat for amphibians, reptiles, and fish.

Science

    •   The park is part of the San Francisco Bay Area's coastal ecosystem, which has been extensively studied by scientists.

    •   Research has focused on the park's biodiversity, water quality, and climate change impacts.

    •   The park has been used as a field site for students from Stanford University and other institutions.

Personalities

    •   The park was named after William S. Hillsborough, a prominent local landowner and politician.

    •   The park was designed by Frederick Law Olmsted Jr., the son of the famous landscape architect.

    •   The park has been visited by numerous celebrities and politicians, including President Franklin D. Roosevelt and actress Katharine Hepburn.

Tourist Attractions
1.Hillsborough Park

is a 12-acre park with a playground, picnic areas, and a walking trail. It is located in the town of Hillsborough, CA.

2.Crystal Springs Reservoir

is a 1,200-acre reservoir that is popular for fishing, boating, and hiking. It is located in the San Mateo County, CA.

3.Filoli Gardens

is a 654-acre estate with gardens, a mansion, and a tea house. It is located in the town of Woodside, CA.

Nearby Cities:

San Mateo, CA
Hillsborough, CABurlingame, CA
Millbrae, CAFoster City, CA
Belmont, CARedwood Shores, CA
San Carlos, CASan Bruno, CA
El Granada, CAHalf Moon Bay, CA
Redwood City, CASouth San Francisco, CA
Pacifica, CAMoss Beach, CA
Montara, CABrisbane, CA
San Jose, CA
Sacramento, CAOakland, CA
Stockton, CAFremont, CA
Modesto, CASanta Rosa, CA
Elk Grove, CAHayward, CA
Salinas, CASunnyvale, CA
Roseville, CA