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Aercus Instruments WeatherMaster - Advanced Weather Station with WiFi and optional extra sensors

RRP: £249.00 (You save £110.00)
Delivery 2-3 days

Product Description

The Aercus Instruments WeatherMaster is the latest in the Aercus range of fully-featured weather stations. The all in one outdoor sensor array measures temperature, humidity, rainfall, solar radiation, UV Index, wind speed and wind direction. In addition, the indoor sensor measures your indoor temperature, humidity and atmospheric pressure.

The WeatherMaster, is the one of most feature-rich and advanced mid-range station in the UK for personal or professional use. Includes support for several additional sensors, and WiFi upload to variety of popular community sites.

Extra sensors:


  • Large TFT colour screen with light and dark themes and adjustable brightness
  • Internet upload to Weather Underground, WOW (Met Office), Ecowitt, WeatherCloud or custom servers
  • 2.4GHz WiFi
  • Wireless Temperature (°F or °C) and Humidity (%RH)
  • Barometric pressure (hPa, inHg, mmHg)
  • Wind speed (m/s, km/h, mph, knots, Bft)
  • Wind direction 
  • Rainfall (self emptying rain gauge) (in, mms)
  • Dew point and Windchill/Feel Like
  • UV Index and light measurement (w/m2, Lux, Fc)
  • Short range forecast
  • Sunrise, sunset, moonphase
  • Date/time (with automatic sync)
  • Console displays history graphs for major weather parameters
  • Massive built in data logger (66m readings)
  • Customisable weather alarms (high and low for each variable)
  • Minima and maxima tracked for each variable
  • Storm warning
  • User adjustable measuring intervals (1 - 240 minutes)
  • Wireless sensors transmit data up to 100m (line of sight) back to console, 30-40m in real-world conditions
  • Solar panel for outdoor sensors extends battery life


Indoor Sensors

  • Temperature range: 0°C – 60°C
  • Temperature resolution: 0.1°C
  • Temperature accuracy: ± 1°C
  • Humidity range: 10% - 99%
  • Humidity resolution: 1%
  • Humidity accuracy: ± 5% (between 20% and 90%)
  • Pressure range: 300hpa to 1100hpa
  • Pressure resolution: 0.1hPa
  • Pressure accuracy: ±3 hPa (between 700 and 1100hPa)
  • Screen (H x W x L): 140mm x 200mm x 20mm

Outdoor Sensors

  • Temperature range: -40°C – 60°C
  • Temperature resolution: 0.1°C
  • Temperature accuracy: ± 1°C
  • Humidity range: 10% - 99%
  • Humidity resolution: 1%
  • Humidity accuracy: ± 5% (between 20% and 90%)
  • Rain range: 0 – 9999 mm
  • Rain accuracy: ± 10%
  • Rain resolution: 0.3 mm (for volume < 1,000 mm), 1 mm (for volume ≥ 1,000 mm)
  • Wind Range: 0 – 50 m/s (0 ~ 100 mph)
  • Wind Accuracy: ± 1 m/s (speed < 5 m/s), ± 10% (speed ≥ 5 m/s)
  • UV-Index range: 0 - 15
  • Light range: 0 – 120 kLux
  • Light accuracy: ± 15%
  • Sensor reporting interval: 16 seconds

Power Consumption

  • Console: 5V DC adaptor (included)
  • Indoor sensors: 2 x AA 1.5V Alkaline batteries (not included)
  • Outdoor sensors: 2 x AA 1.5V Alkaline batteries (not included), solar power iis used when available
  • Battery life: 12 months for console and 24 months for indoor sensor (use Lithium batteries in cold weather climates)
  • Range: Up to 100m (line of sight), 30-40m in real-world conditions
  • Frequency: 868MHz


Aercus Instruments  WeatherMaster - Download Manual

Other Details

Wind Speed:
Wind Direction:
Internet Enabled:

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Product Reviews

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  1. Still Making Great Weather Stations 5 Star Review

    Posted by on 9th Feb 2024

    In 2019, I purchased my first Weather Station from Green Frog... all the best bells & whistles I could afford at the time... which worked perfectly until the temperature sensor module died late in January 2024. With no replacement module available, I purchased the WeatheMaster and got it set up in place of the old station. I'm really happy with it, and am looking forward to adding sensors for the polytunnels & garden areas, along with other areas in the house. Because we live on a windswept hill in Wales, our old rain gauge often didn't catch & measure all the rain that fell; the difference now is brilliant, especially after comparing the 2 gauges at the end of a particularly wet & windy storm this week. Excellent piece of kit.

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