I basically want to make this same idea: Weather forecast based on pressure, temperature and humidity only (for implementation in Arduino) without the pressure sensor. I have a DS18B20 and a HR202 to do it with, if it is possible.
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2$\begingroup$ Expect the reliability will be quite low without pressure trends, as that's the factor that most indicates pattern changes (lowering pressure meaning incoming fronts/low pressures that bring unsettled weather, rising pressure meaning incoming anticyclones with their settled weather) $\endgroup$– JeopardyTempestCommented Jul 20, 2022 at 7:06
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$\begingroup$ @JeopardyTempest Thanks mate. I was hoping I could make it work without, but now I won't bother trying. I'll get a pressure sensor first. $\endgroup$– cowboydanielCommented Jul 20, 2022 at 23:47
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$\begingroup$ Without the pressure sensor, it's basically... when it warms and moistens up, we're probably getting due for a front (especially in active weather seasons)... but at that point you may not be that much better than climate (fronts come every X days on average?) $\endgroup$– JeopardyTempestCommented Jul 20, 2022 at 23:51
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$\begingroup$ Do note though that even the other question had a fourth "instrument"... the wind direction... which can be fairly useful depending on location. $\endgroup$– JeopardyTempestCommented Jul 21, 2022 at 0:04
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$\begingroup$ @JeopardyTempest You say "the other question had a fourth "instrument"... the wind direction... which can be fairly useful depending on location". What do you mean? Are you saying that I need wind direction to predict the weather accurately? $\endgroup$– cowboydanielCommented Jul 21, 2022 at 3:27
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