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Weather HAT + Weather Sensors Kit

by Pimoroni

A meteorologically minded Raspberry Pi HAT designed to make hooking up weather sensors a breeze (or a squall, or a gale).

Weather HAT is a tidy all-in-one solution for hooking up climate and environmental sensors to a Raspberry Pi. It has a bright 1.54" LCD screen and four buttons for inputs. The onboard sensors can measure temperature, humidity, pressure and light. The sturdy RJ11 connectors (remember those?) will let you easily attach wind and rain sensors. It will work with any Raspberry Pi with a 40 pin header (that's most of them except the really old ones).

You could install it outside in a suitable weatherproof enclosure (like a Stevenson screen, a waterproof junction box or even a Tupperware container) and connect to it wirelessly - logging the data locally or piping it into Weather Underground, a MQTT broker or a cloud service like Adafruit IO. Alternatively, you could house your weather Pi inside and run wires to your weather sensors outside - making use of the nice screen to display readouts.

This bundle combines Weather HAT with a full set of wind and rain sensors, at a balmy discounted price!


  • 1.54" IPS LCD screen (240 x 240)
  • Four user-controllable switches
  • BME280 temperature, pressure, humidity sensor (datasheet)
  • LTR-559 light and proximity sensor (datasheet)
  • Nuvoton MS51 microcontroller with inbuilt 12-bit ADC (datasheet)
  • RJ11 connectors for connecting wind and rain sensors
  • HAT-format board
  • Fully-assembled
  • Compatible with all 40-pin header Raspberry Pi models
  • Python library
  • Schematic

Weather HAT + Weather Sensors Kit Includes

  • Weather HAT
  • 2 x 10mm standoffs
  • Wind vane
  • Anemometer (wind speed gauge)
  • Rain gauge
  • Short metal mast (made of two metal poles that slot together)
  • Two plastic arms for mounting the sensors
  • Mounting hardware: jubilee clips, nuts, bolts and cable ties

Raspberry Pi and accessories are sold separately, check out the Extras tab for some options! 

Please note that we can only ship the HAT + Sensors Kit by courier, due to the majestic size of the box.


We've put together a Python library to give you easy access to all Weather HAT's functions, together with straightforward examples to help you learn how to read the sensors and use all the individual parts. There's also a weather station example that combines all the functions into an application.


  • Our Getting Started tutorial contains a thorough walkthrough of Weather HAT's functionality plus beginner friendly instructions for installing the Python library and running the examples.
  • For a quick video tour around Weather HAT, check out Introducing Weather HAT...
  • ... and you can find out more about Kevin's setup (featuring MQTT, Node-RED, InfluxDB and Grafana) on his YouTube channel.


  • Want to add on more I2C sensors? No problem, there's an solderless I2C header located on the back of the HAT that you can poke jumper / DuPont wires (or even a Breakout Garden slot) in to.
  • If you'd like to hook up more analog sensors (3.3v max) we've broken out some extra ADC channels on the front of the board, as well as a convenient 3v3 power and ground.
  • We've found two standoffs at the GPIO edge to be sufficient to keep this HAT firmly in place, but if you're attaching it to a full-size Pi and want to add standoffs at every corner you can pick up more here.
  • Dimensions: 65 x 56.5 x 19 mm (L x W x H, including header and connectors)