Mini-8 front view Mini-8 valves connectors Mini-8 angle view
mouse over to remove the lid
NOAA Weather Data

RainMachine Mini-8

  • - 8 zones (7 when using Master Valve)
  • - Cloud independent by design
  • - Weather aware smart Wi-Fi irrigation sprinkler controller
  • - Simple Touch Interface
  • - Adjusts watering time based on weather
  • - Location based weather forecast (NOAA, MetNo, Wunderground and Netatmo)
  • - Forecast spatial resolution: up to 1.5 Km
  • - Freeze control & heat wave protection
  • - Onboard Rain Sensor connector
  • - Operating temp: -20C to 60C (-4F to 140F)
  • - Outdoor enclosure available
  • - WIFI: USB 802.11N, 2.4Ghz, US/Japan/EU
  • - AC Input: 24VAC, 50/60Hz, 750mA (adapter included)
  • - Wire size AWG 18-22
  • - Dimensions: 115 x 115 x 27mm (4.5 x 4.5 x 1.1 in)
  • - Warranty: 1 year
  • - Android and iPhone Apps
  • - Model number: SPK2-8

  • Price: $159
  • End Of Life

Click here to find out if you qualify for a rebate.

(available for US only)
Save the Planet. Save your wallet.

Conserve water.
Save your wallet.


According to the United States Environmental Protection Agency (EPA), as much as 70% of a home's total water use during the dry season may go to landscape irrigation. Experts estimate that more than 50% of landscape water is wasted due to overwatering.

  • Forecast

Using seven-day forecasts, the RainMachine efficiently adjusts your watering schedule using real time temperature, wind and rainfall data. It was scientifically designed to improve watering efficiency and dramatically reduce water waste. Learn more...

A weather ready nation.


RainMachine connects via WIFI and downloads weather data every 6 hours. NOAA employs satellites, radars and thousands of weather stations, delivering the most accurate weather forecast on Earth.


Advanced climate modeling running on huge datacenters are free for you to use in your garden. Learn more...

NOAA - National Oceanic and Atmospheric Administration

Smartphone remote control

Garden from any Screen.
Easy Connect. Easy Control.

Connect from a smart phone or tablet to control water use remotely. The application automatically discovers any RainMachines on your local network and makes them accessible through an easy-to-use secure interface.

Enhanced security

Enhanced security.
Keep the password to yourself.

Do not expose your garden to the Internet. RainMachine keeps all credentials local, on your device, not on a internet server. This means you do not have to rely on a third party service to protect your garden.

Multiple Data Sources

Multiple Data Sources.
Ultimate data stability.

The RainMachine has the ability to gather meteorological data from multiple data sources, like: NOAA, WUnderground, NetAtmo, FAWN, CIMIS, Mesonet, Davis, Metno, DarkSky, Deutscher Wetterdienst, Australian Bureau of Meteorology and Open Weather Map, humans and machines can access weather data streams such as: max temperature, minimum temperature, humidity, wind speed, solar radiation, water vapor pressure, amount of precipitation.

These national and international weather services provide pin-point and reliable and free up-to-date weather forecasts. Imagine a chorus of voices singing in unison, if one voice stops, the song will still go on. That way, your garden can rely on accurate data on which to base watering schedules.
Learn more...

Easy Winter. Freeze Control.

Extreme Temperatures.
Your plants are protected.

  • HI / LO TEMP

The RainMachine protects your garden against unexpected hot or freezing conditions. For example, it ceases to water if temperature goes below a preset value.


Additionally, you can suspend all programs for a number of days or months, according to your local climate.

During extremely hot days, the RainMachine will increase water output to provide your garden with the optimal amount needed to flourish.
100% cloud independent

Nobody else owns your Garden.
Cloud independent by design.

By design, nobody else has the control of your garden. You are not tethered to a cloud service of any kind.

Rainmachine connects itself to trusted National2 and International3 weather data sources and adjusts daily watering amount. The machine stays in sync with Nature for optimal efficiency. All this data is available free to RainMachine users.

Code. Share. Evolve.

OpenSource, the Ultimate Accountability.
Code. Share. Evolve.

Because we provide our evapotranspiration formula source code and API, we make our work trusted and verifiable. User contributions from around the world will help the community and continue to evolve the product.

Learn more

1 Internet of Things is the interconnection of uniquely identifiable embedded computing devices within the existing Internet infrastructure.
2 National Digital Forecast Database is a service providing the public, government agencies, and commercial enterprises with user selected components for point locations of the National Weather Service’s (NWS) data.
3 MET Norway is the meteorological service for both The Military and the Civil Services in Norway, as well as the public..