Well water does have to evaporate sooner or later. I think it like the 'perfect' situation when the roads are very warm, it rains but not much, just enough to have all the rain on the road steam up before our eyes, could be similar just under your hood, too much rain won't happen, but just a bit and perhaps so.
So yeah I'd just keep an eye on any steam under the hood when there Isn't any rain!
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2001 Limited 4WD - 346+K - SunfireRed\Thunder Cloud; - 265/75/16 Michelin A/T2s - Fat Pat's 1.5" BL - StopTech ANGLED rotors - In series 699 trans cooler, New Yota1 transmission, All new OEM suspension front to rear.