Old Farmer'S Almanac 2025 Weather. As 2025 approaches, the old farmer’s almanac has delivered its annual weather forecast, and while the winter season may feel milder, certain regions are gearing up for an. The astronomical start of winter begins with the winter solstice on saturday, december 21, 2024.

They tout themselves as being 80% accurate. Here is everything you need to know about the extended weather forecast, including an important winter weather advisory.