Our Proprietary 10-Day Forecast

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Current warnings over San Leandro, 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 San Leandro, 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 San Leandro, 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 Alameda 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 San Leandro, 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 San Leandro, 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 San Leandro, 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 San Leandro, 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 San Leandro, 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 Alameda 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)
San Leandro, CA Climate Summary

General Climate


    •   Mediterranean climate with mild, wet winters and warm, dry summers.
    •   Average annual temperature: 59.4°F (15.2°C)
    •   Average annual precipitation: 22.13 inches (562 mm)

Temperature


    •   January: Average high of 55°F (12.8°C), average low of 40°F (4.4°C)
    •   July: Average high of 85°F (29.4°C), average low of 58°F (14.4°C)

Precipitation


    •   November through April: Most precipitation occurs during these months, with an average of 2-4 inches (51-102 mm) per month.
    •   May through October: Very little precipitation during these months, with an average of less than 1 inch (25 mm) per month.

Sunshine


    •   San Leandro receives an average of 260 sunny days per year.
    •   June through September: Sunniest months, with an average of 10-11 hours of sunshine per day.
    •   December through February: Cloudiest months, with an average of 5-6 hours of sunshine per day.

Humidity


    •   Average annual relative humidity: 71%
    •   July: Driest month, with an average relative humidity of 65%
    •   January: Most humid month, with an average relative humidity of 78%

Wind


    •   Average annual wind speed: 7.6 mph (12.2 km/h)
    •   June: Windiest month, with an average wind speed of 9.2 mph (14.8 km/h)
    •   December: Calmest month, with an average wind speed of 6.3 mph (10.1 km/h)

Climate Extremes


    •   Record high temperature: 114°F (45.6°C) on September 1, 2022
    •   Record low temperature: 18°F (-7.8°C) on December 11, 1972

Overall


San Leandro has a mild, Mediterranean climate with distinct wet and dry seasons. Winters are mild and rainy, while summers are warm and dry. The city receives plenty of sunshine throughout the year, making it an ideal place to enjoy outdoor activities.

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

    •   San Leandro is home to the San Leandro Creek Watershed, a vital habitat for native plants and wildlife, including the threatened California red-legged frog.

    •   The city is located in the East Bay Hills, offering stunning views of the San Francisco Bay and surrounding mountains.

Science

    •   The Lawrence Livermore National Laboratory, a renowned research facility, is headquartered in San Leandro.

    •   The city is also home to the Chabot Space & Science Center, a popular destination for astronomy enthusiasts.

Personalities

    •   John Muir, the renowned naturalist and conservationist, lived in San Leandro for a period of time.

    •   The city is named after San Leandro de Sevilla, a Spanish bishop and saint.

    •   The jazz musician Dave Brubeck was born in San Leandro in 1920.

Tourist Attractions
1.Chabot Space & Science Center:

A renowned science museum featuring interactive exhibits on space exploration, physics, and the environment.

2.Oakland Zoo:

A sprawling zoological park showcasing a diverse collection of animals from around the world, including lions, elephants, and gorillas.

3.Jack London Square:

A charming waterfront district in nearby Oakland, offering scenic views, restaurants, shops, and historic sites related to the famous author.

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Ashland, CA
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Alameda, CAMoraga, CA
Piedmont, CAChinatown, CA
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Emeryville, CADanville, CA
Orinda, CAAlamo, CA
Union City, CALafayette, CA
San Jose, CA
San Francisco, CASacramento, CA
Stockton, CAFremont, CA
Modesto, CASanta Rosa, CA
Elk Grove, CASalinas, CA
Sunnyvale, CARoseville, CA
Concord, CA