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Ambient Weather WH31SM

Ambient Weather / WH31SM

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Does the Ambient Weather WH31SM work with HomeKit, Alexa, and Google Home?

The Ambient Weather WH31SM is a soil moisture sensor that adds to the WS-1965, WS-2000, WS-4000 and WS-5000 stations.

It needs console firmware V2.0.2 or later and Wi-Fi firmware 4.3.6 or later. It suits Google Home and Alexa users, with native support through the maker's hub.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Proprietary + hub, native
Alexa
Yes[1]
Proprietary + hub, native
SmartThings
Unknown
Unknown
Home Assistant
Unknown
Unknown

Key facts

Ambient Weather WH31SM facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$36.99[1] as of
TypeSoil moisture sensor[1]
ConnectivityThrough a compatible Ambient Weather station[1]
Powerunknown
Works withAlexa; Google Home[1]

Integration paths

How the Ambient Weather WH31SM connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Proprietary + hubHUBAmbient Weather WS-1965, WS-2000, WS-4000 or WS-5000 station with console firmware V2.0.2 or later and Wi-Fi firmware 4.3.6 or later[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Ambient Weather WH31SM

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
HomeyCommunity app[2]com.ambient.weatherProprietary + hub
  • App: Community[2]
  • Runs on: Homey Pro[2]
Product line namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

Ambient Weather WH31SM. Smart Home Canon. https://smarthomecanon.com/devices/ambient-weather-wh31sm. Last checked 2026-10-20.

Sources

  1. [1]
    MFRambientweather.com / Ambient Weather WH31SM product page
    Accessed Back to text
  2. [2]
    DOChomey.app / Homey App Store: Ambient Weather
    Accessed Back to text