Willow Glen enjoys a relatively mild climate making it a pleasant place to live, work and visit. Most days are clear and sunny with summer highs typically in the 90's and lows in the 50's. Winter highs average in the 40's with lows in the teens. However, mother nature is not without a sense of humor. Short afternoon thunderstorms are common in July and August. And winter blizzards with white-out conditions have been known to happen December through February. Checking the current weather forcast is always a good idea.