Bear Lake The average lake temperature is approximately 70 degrees. Fishing is slow to fair according to the few angler reports we've received in the past couple weeks. Last week, one group of anglers caught a few cutthroat trout by trolling Dardevles in the early morning. Recently, anglers have recommended varying the depths that you're fishing. Lure patterns that were working well included gold and black, silver, silver and blue or silver and green. If you're fishing deeper than 60 feet, be sure to use lures that are darker and have greater contrast.