The ATIS is composed of several sections. Some facilities use METAR in lieu of ATC met-report. Where that is the case, and the METAR is issued by the MET officer with a TREND-type landing forecast, this will be broadcasted.
Assuming the NOSIG meteorological landing forecast (a METAR segment) is somehow applicable to other sections of ATIS is incorrect and a source of potential confusion. The question about the person's ability to read METARs is somewhat hard to avoid.
FD.