Nebraska is a great outdoors state. Hey, time for a hike donít you think? Fort Kearney Trail in Kearney County, Nebraska is a perfect place for getting out. High temperatures at Fort Kearney Trail through the summer are in the 80's, and all through summer nights temperatures are in the 70's. The wintertime comes with highs in the 80's with temperatures at Fort Kearney Trail dipping down into the 70's through winter nights. Fort Kearney Trail gets a lot of water. Throughout September this area sees the most rain while May is ordinarily the driest month.