XPLMGetWeatherAtLocation

XPLM_API int        XPLMGetWeatherAtLocation(
                         double               latitude,
                         double               longitude,
                         double               altitude_m,
                         XPLMWeatherInfo_t *  out_info);

Get the current weather conditions at a given location. Note that this does not work world-wide, only within the surrounding region. Return 1 if detailed weather was found, 0 if not. This call is not intended to be used per-frame.