Klystron 9 is the most advanced, most powerful, highest resolution broadcast weather radar in the world. Our revolutionary technology leads the way in providing you with the most accurate weather forecasts in the Bay area.
Harness the power of Klystron 9 on your computer with our exclusive collection of 40 Klystron 9 radar views!
And introducing the Klystron 9 Storm Tracker. During periods of heavy weather the radar images with heavy pockets of rain will appear at the top of the radar gallery and be outlined with a red line. This allows you to see the areas most affected by the weather at any given time. It's dynamic to show you where the heaviest rain is occurring.
- Can't see Klystron images on your computer or phone? Click here
- About Klystron 9 radar

From current conditions to nationwide forecasts, baynews9.com is your source for comprehensive weather information.
Weather On The Nines Schedule
:09 Look Ahead :19 Marine Forecast :29 Beach Forecast | :39 Travel Forecast :49 Marine Forecast :59 12-Hour Forecast |
Love learning about weather? You can access weather information, including general weather and hurricane categories, 24/7 on Bay News 9 On Demand, channel 342, which is free to Bright House Networks digital cable customers.
Look for:
| Technology Demonstrations | Evacuation Routes | |||
| Forecasting Tools | County Impacts | |||
| FAQ About Weather | Tours of our Weather Center |

