Average Temperature Outlook for ANCHORAGE (issued in March 2014) suggests that during Apr-May-Jun 2014:

There is a 99% chance that the average 3-month temperature will be within the range of 41.7 and 52.1 Deg F,.

There is a greater ( 66.0%) chance that the temperature will be higher than the climatological median* of 46.9 Deg F, and a lesser (34.0%) chance that the temperature will be lower than the climatological median*.

*For the climatological reference information, the median statistic is reported. The median value means that during the present climatological reference period (1981-2010), half of the years (50%) temperature was greater than the median and in the other half (50%) less than that.