Product details
Buy the Ecowitt Wittboy Weather Station – WS90
The Ecowitt WS90 Weather Station is a quality, 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 Power: The integrated solar panel with supercapacitor powers the device and AA battery backup for continuous operation when little sun.
- Weatherproof Design: IPX5 rated enclosure withstands rain and dust
- Ice Prevention Heater: Built‑in thermostat activates below 0 °C to prevent snow and ice build-up. Requires external power source
- Fast Reporting: Data updates every 8.8 seconds via Radio Frequency (RF) 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 giving reliable long term performance
- Easy Mounting: Fits standard 1″ pole or bracket
- High Accuracy: ±0.3 °C temperature, ±3.5 % RH humidity, 0.1 mm rain increments, UV index 0–15
Information
- The WS90 requires a Ecowitt gateway for connectivity. Please see the Ecowitt compatibility table to find out which Gateways and Consoles work with the WS90 (aka Whittboy).
- For accurate data locate the weather station in a suitable location
- Use Lithium batteries for best battery life. Do not use rechargeable batteries.
Note: The solar panel does not charge the batteries
VIDEO
Coming Soon – Videos on installation, setup, configuration and using
FAQ
Will the Ecowitt WS90 work with my smart home
Probably, 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. Do not use rechargeable batteries
- 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 to300 m line‑of‑sight
- Update interval: every 8.8 seconds
- Can the WS90 run without internet
Yes. It transmits via Radio Frequency (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 (Gateway) 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 to 2 m above ground
- Wind: 3 to 5 m high, in an open area
- Rain: 0.6 to 1.5 m high, clear of obstructions
- What maintenance does the WS90 require
- Clean rain sensor and solar panel every 6 months
- Batteries will probably need to replaced annually
- 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. It is very simple to setup.
DOWNLOADS
Ecowitt Wittboy (WS90) Manual
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