Our weather station uses Weewx software on a Raspberry Pi computer.  The swimming pool temperature is measured  by a sensor that is also attached to the Raspberry Pi . The weather data is uploaded to Weather Underground and also to ThingSpeak.

The full weather station data on the Weather Underground website can be seen here

Swimming PoolTemperature - 5 minute interval measurements

Swimming  Pool Temperature over 5 days

Technoline WS-2350 Weather Station Data

Location next to pool. Wind sensor is 3m above paving at SW corner of pool.

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