Product details
Ecowitt Wittboy WS90 Weather Station
The Ecowitt WS90 Weather Station is a robust, wireless 7-in-1 sensor designed for outdoor use. It offers accurate and near-real-time environmental data, making it an ideal addition to any smart home weather monitoring system. The WS90 integrates multiple sensor functions into one compact unit, ensuring you can keep close track of local weather conditions with ease.
Features
- 7‑in‑1 Sensor Array: Temperature, humidity, ultrasonic wind speed & direction, haptic rain gauge, UV index, and solar radiation
- Solar‑Assisted Power: Integrated solar panel with supercapacitor and AA battery backup for continuous operation
- Weatherproof Design: IPX5‑rated enclosure withstands rain and dust
- Ice‑Prevention Heater: Built‑in thermostat activates below 0 °C to prevent snow and ice buildup
- Fast Reporting: Data updates every 8.8 seconds via RF with up to 150 m range
- Wide Compatibility: Works with most Ecowitt gateways and consoles. See compatibility table
- Maintenance‑Free Sensors: No moving parts in wind and rain sensors for reliable long‑term performance
- Optional External Heater: Supports 12 V/1 A external power for extreme cold
- Easy Mounting: Fits standard 1″ pole or bracket
- High‑Resolution Accuracy: ±0.3 °C temperature, ±3.5 % RH humidity, 0.1 mm rain increments, UV index 0–15
Information
- The Wittboy (aka WS90) requires a Ecowitt gateway for connectivity. Please see the Ecowitt compatibility table to find out which Gateways and Consoles work with the Wittboy.
- For accurate data locate the weather station in a suitable location
- Use Lithium batteries for best battery life. Do not use recharegable batteries.
Note: The solar panel does not charge the batteries
VIDEO
Coming Soon – Videos on installation, setup, configuration and using
FAQ
Will the Ecowitt Whittboy WS90 work with my smart home
Yes, Ecowitt have integrations with Amazon Alexa and Home Assistant. Using these systems allows the Ecowitt to work with existing smart home systems.
What sensors are included in the WS90
-
- Temperature & Humidity (−40 °C to +60 °C; 1–99 % RH)
- Wind Speed & Direction (ultrasonic; 0–40 m/s)
- Rainfall (haptic piezoelectric; 0.1 mm resolution)
- UV Index & Solar Radiation (UV 0–15; light 0–200 klux)
- Barometric Pressure
- How is the WS90 powered
-
- Solar panel (6.5 V/4 mA) for daytime operation
- Two AA 1.5 V batteries for low‑light backup
- Built‑in heater activates below 0 °C; optional external 12 V/1 A supply
- What are the RF transmission details
-
- Frequencies: 433 MHz / 868 MHz / 915 MHz
- Range: 150–300 m line‑of‑sight
- Update interval: every 8.8 seconds
- Can the WS90 run without internet
-
Yes. It transmits via RF to a local gateway or console and can be accessed via its local web interface or API without internet \ cloud dependency.
- How do I calibrate the rain sensor
-
- Pair the WS90 with your Ecowitt gateway and ensure they communicate.
- In the gateway’s settings, find the rainfall calibration option.
- Compare with a reference gauge and adjust the gain until readings match.
- What environmental protections does it have
-
- IPX5‑rated enclosure for rain and dust resistance
- Automatic heater to prevent snow and ice buildup
- Which gateways and consoles work with the WS90
-
Compatible with all Ecowitt GW and console series, including GW1100, GW1200, GW2000, GW3000, and HP/WS/WN models.
- How accurate is the WS90
-
- Temperature: ±0.3 °C
- Humidity: ±3.5 % RH
- Wind: ±0.5 m/s below 10 m/s; direction ±10° below 2 m/s
- Rain: 0.1 mm resolution
- Where should I mount the WS90
-
- Temperature & Humidity: 1.5–2 m above ground
- Wind: 3–5 m high, in an open area
- Rain: 0.6–1.5 m high, clear of obstructions
- What maintenance does the WS90 require
-
- Clean rain funnel and solar panel every 3–6 months
- Replace AA batteries annually or as needed
- Can I view WS90 data on third‑party platforms
-
Yes. Through your gateway you can upload to various online services or use local APIs for Home Assistant and other dashboards.
DOWNLOADS
Ecowitt Wittboy (WS90) Manual
There are no reviews yet.