Custom Search     Moses Lake     This great lake has 11 square miles of surface area. During the long summer days highs here at Moses Lake get into the 80's. Once the sun is down it sinks down to the 60's. The winter comes with highs in the 30's, and overnight lows through the winter for Moses Lake tend to be in the 20's. At Moses Lake you don’t see much rain. Most of the snow falls through December, and August on the other hand is the driest.          Map Detailed Map Marinas Marinas on or near Moses Lake Weather Local weather forecast