Our Proprietary 10-Day Forecast

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Current warnings over Monte Sereno, 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 Monte Sereno, 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 Monte Sereno, 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 Santa Clara 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 Monte Sereno, 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 Monte Sereno, 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 Monte Sereno, 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 Monte Sereno, 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 Monte Sereno, 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 Santa Clara 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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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)
Monte Sereno, California has a Mediterranean climate (Köppen Csa), with warm, dry summers and mild, wet winters. The town is located in the foothills of the Santa Cruz Mountains, which provide some protection from the cold air that can sometimes reach the area from the north.

Temperature

The average temperature in Monte Sereno is 58.6°F (14.8°C). The warmest month is July, with an average temperature of 73.8°F (23.2°C). The coldest month is January, with an average temperature of 44.6°F (7°C).

Precipitation

The average annual precipitation in Monte Sereno is 26.7 inches (678 mm). The wettest month is February, with an average rainfall of 4.9 inches (124 mm). The driest month is July, with an average rainfall of 0.1 inches (2.5 mm).

Sunshine

Monte Sereno receives an average of 260 sunny days per year. The sunniest month is July, with an average of 11 hours of sunshine per day. The cloudiest month is December, with an average of 6 hours of sunshine per day.

Humidity

The average relative humidity in Monte Sereno is 72%. The most humid month is December, with an average relative humidity of 80%. The least humid month is July, with an average relative humidity of 65%.

Wind

The average wind speed in Monte Sereno is 7.6 mph (12.2 km/h). The windiest month is January, with an average wind speed of 9.2 mph (14.8 km/h). The calmest month is August, with an average wind speed of 6.3 mph (10.1 km/h).

Climate Change

The climate of Monte Sereno is changing, as it is in the rest of the world. The average temperature has increased by about 2°F (1.1°C) since the late 19th century, and the average annual precipitation has decreased by about 10%. These changes are expected to continue in the future, and they are likely to have a significant impact on the town and its residents.

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

    •   Monte Sereno's serpentine rock formations are home to unique plant species like the rare Franciscan manzanita.

    •   The area was once a thriving habitat for native oak woodlands, providing food and shelter for diverse wildlife.

Science

    •   The town is named after the nearby Mount Umunhum, which was used as a scientific research station by Stanford University in the early 20th century.

    •   Monte Sereno is home to the Foothills Nature Preserve, a 140-acre sanctuary renowned for its ecological diversity and scientific research opportunities.

Personalities

    •   The town's namesake, Mount Umunhum, was named after Chief Umunhum, a prominent local Ohlone leader.

    •   The area was a retreat for notable figures, including writer Upton Sinclair and Nobel laureate Linus Pauling, who resided in the nearby hills.

    •   Today, Monte Sereno attracts scientists, engineers, and professionals from Stanford University and Silicon Valley.

Tourist Attractions
1.Hakone Gardens

is a beautiful Japanese garden located in Saratoga, just a short drive from Monte Sereno. The garden features traditional Japanese architecture, bridges, and ponds, as well as a variety of plants and flowers. Visitors can enjoy a peaceful walk through the garden, or take part in one of the many cultural events that are held there throughout the year.

2.Villa Montalvo

is a historic mansion and estate located in Saratoga. The mansion was built in the early 1900s by James Duval Phelan, a prominent San Francisco businessman and politician. Today, the estate is open to the public and offers a variety of activities, including tours of the mansion, hiking trails, and concerts.

3.The Winchester Mystery House

is a strange and fascinating house located in San Jose, just a short drive from Monte Sereno. The house was built by Sarah Winchester, the widow of William Wirt Winchester, the heir to the Winchester rifle fortune. Sarah Winchester believed that she was being haunted by the ghosts of people who had been killed by Winchester rifles, and she spent the rest of her life building the house in an attempt to confuse the ghosts. The house is full of strange and unexplained features, such as doors that lead nowhere, stairs that go nowhere, and windows that are placed at odd angles.

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Saratoga, CACambrian Park, CA
Campbell, CACupertino, CA
Burbank, CABuena Vista, CA
Santa Clara, CASan Jose, CA
Lompico, CASunnyvale, CA
Boulder Creek, CABrookdale, CA
Ben Lomond, CAMountain View, CA
Scotts Valley, CALos Altos, CA
San Francisco, CA
Sacramento, CAOakland, CA
Stockton, CAFremont, CA
Modesto, CASanta Rosa, CA
Elk Grove, CAHayward, CA
Salinas, CARoseville, CA
Concord, CA