Our Proprietary 10-Day Forecast

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Current warnings over Vacaville, 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 Vacaville, 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 Vacaville, 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 Solano 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 Vacaville, 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 Vacaville, 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 Vacaville, 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 Vacaville, 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 Vacaville, 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 Solano 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)
Vacaville, CA Climate Summary

General Climate

    •   Vacaville has a Mediterranean climate, with warm, dry summers and cool, wet winters.
    •   The average annual temperature is 61.5°F (16.4°C).
    •   The average annual precipitation is 23.67 inches (60.1 cm).

Summer

    •   The average summer temperature is 75.6°F (24.2°C).
    •   The average high temperature in July is 92.5°F (33.6°C).
    •   The average low temperature in July is 58.7°F (14.8°C).
    •   The average annual precipitation in the summer is 0.79 inches (2.0 cm).

Winter

    •   The average winter temperature is 47.4°F (8.6°C).
    •   The average high temperature in January is 53.6°F (12.0°C).
    •   The average low temperature in January is 41.2°F (5.1°C).
    •   The average annual precipitation in the winter is 14.68 inches (37.3 cm).

Spring

    •   The average spring temperature is 59.5°F (15.3°C).
    •   The average high temperature in April is 69.8°F (21.0°C).
    •   The average low temperature in April is 49.1°F (9.5°C).
    •   The average annual precipitation in the spring is 5.12 inches (13.0 cm).

Fall

    •   The average fall temperature is 60.9°F (16.1°C).
    •   The average high temperature in October is 76.3°F (24.6°C).
    •   The average low temperature in October is 45.5°F (7.5°C).
    •   The average annual precipitation in the fall is 3.08 inches (7.8 cm).

Other Climate Information

    •   The average annual snowfall is 0.4 inches (1.0 cm).
    •   The average number of days with measurable precipitation is 61.
    •   The average relative humidity is 72%.
    •   The average wind speed is 7.6 mph (12.2 km/h).

Climate Change

    •   The climate of Vacaville is changing, as is the climate of the rest of the world.
    •   The average annual temperature has increased by 1.8°F (1.0°C) since 1895.
    •   The average annual precipitation has decreased by 2.7 inches (6.9 cm) since 1895.
    •   The number of days with measurable precipitation has decreased by 10 days since 1895.
    •   The average annual snowfall has decreased by 0.2 inches (0.5 cm) since 1895.
    •   The average relative humidity has decreased by 2% since 1895.
    •   The average wind speed has increased by 0.5 mph (0.8 km/h) since 1895.

Climate Change Impacts

    •   The changing climate is having a number of impacts on Vacaville, including:
    •   More extreme weather events, such as heat waves, droughts, and floods.
    •   Rising sea levels, which are threatening coastal communities.
    •   Changes in plant and animal life, as some species are forced to adapt to the changing climate or move to new areas.
    •   Increased risk of wildfires, as the climate becomes hotter and drier.

Climate Action

    •   The City of Vacaville is taking a number of steps to address climate change, including:
    •   Reducing greenhouse gas emissions by investing in renewable energy and energy efficiency.
    •   Preparing for the impacts of climate change by investing in infrastructure and emergency preparedness.
    •   Educating the public about climate change and its impacts.

Conclusion

The climate of Vacaville is changing, and the city is taking steps to address the challenges posed by climate change.

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

    •   Vacaville lies within the Great Valley, a fertile agricultural region formed by ancient volcanic eruptions.

    •   The city is home to Vaca Lake, a popular spot for fishing, boating, and birdwatching. Over 200 species of birds have been recorded at the lake.

Science

    •   Vacaville is home to the University of California, Davis West Campus, a research and education center specializing in agriculture and environmental sciences.

    •   The city is also home to the Vacaville Innovation Center, a hub for technology and innovation.

Personalities

  • John Steinbeck:

    The renowned author spent his childhood in Vacaville and drew inspiration from the city in his works, including \

    • Tourist Attractions
    1.Six Flags Discovery Kingdom

    is a theme park located in Vallejo, California, just a short drive from Vacaville. The park features over 100 rides, shows, and attractions, including roller coasters, water rides, and animal exhibits.

    2.Jelly Belly Factory Tour

    is a free tour of the Jelly Belly candy factory in Fairfield, California, just a few miles from Vacaville. The tour takes visitors through the candy-making process, from the initial mixing of ingredients to the final packaging of the candies.

    3.Sutter Health Park

    is a baseball stadium located in West Sacramento, California, about a 30-minute drive from Vacaville. The stadium is home to the Sacramento River Cats, a minor league baseball team affiliated with the San Francisco Giants.

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