Winter in the Berkshires doesn't play around. Honestly, if you've ever spent a morning scraping ice off a windshield on Walker Street, you know the weather forecast for Lenox MA is less of a suggestion and more of a survival guide.
Right now, we are staring down a classic January stretch. It's cold. It's breezy. It's exactly what you'd expect from a town nestled in the mountains, but the specifics are where things get tricky for your weekend plans.
The Immediate Outlook: Snow Shifting to Bitter Cold
Today, Thursday, January 15, 2026, we’re looking at a high of 37°F. That sounds almost balmy compared to what is coming, but don't let it fool you. We have light snow during the day and snow showers moving in tonight as the temperature craters to 15°F.
That 22-degree drop isn't just a number; it’s the transition from "slushy mess" to "rock-hard ice." If you are out and about near Tanglewood or heading to dinner downtown, be careful. The southwest winds are kicking up to about 13 mph, making that 37 feel more like 30.
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Tomorrow, Friday, looks even grittier. We won't even hit the freezing mark, with a projected high of only 25°F. More snow showers are expected, especially in the evening when the chance of precipitation jumps to 45%. The wind is shifting west and getting aggressive—gusts could make it feel like single digits.
The 10-Day Trend: A Deep Freeze is Coming
Looking further out, the weather forecast for Lenox MA shows a significant cooling trend that might make even the hardiest locals want to stay inside with a book from the Bookstore on Housatonic Street.
Saturday (Jan 17) stays chilly at 33°F with lingering snow showers. But check out Monday and Tuesday. We are looking at highs of 25°F and then a bone-chilling 12°F on Tuesday, January 20. Nighttime lows will dip into the single digits, specifically 5°F on Tuesday night.
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Basically, if you have outdoor projects or were planning on long hikes at Kennedy Park, do them sooner rather than later. By the middle of next week, the air is going to be incredibly dry and the wind chill will be a real factor.
Typical January Patterns in Lenox
Is this normal? Yeah, pretty much. Historically, January is the coldest month here. According to data from NASA's MERRA-2 project, the average high for this time of year is usually around 30°F, with lows hovering near 15°F.
We are currently tracking right along those averages, though the spike to 37 today is a brief outlier before the arctic air settles back in. Interestingly, Lenox tends to be overcast about 58% of the time in January. It’s that "Berkshire Gray" that we all know and love—or at least tolerate.
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What This Forecast Means for Your Plans
If you're visiting or just trying to get through the work week, here is the reality of the current situation:
- Driving Conditions: With the freeze-thaw-freeze cycle happening between today and Friday, black ice is a massive concern on secondary roads like Route 7 and Route 183.
- Heating Systems: With Tuesday's low of 5°F, ensure your heating fuel is topped off. These are the kind of temperatures that find the weak spots in your insulation.
- Outdoor Recreation: For the skiers at Bousquet or Jiminy Peak, the coming week is great for snow retention, but Friday and Tuesday will require serious layering. We're talking base layers, wool mid-layers, and a heavy windproof shell.
Beyond the Numbers: The Humidity Factor
One thing people often overlook in the weather forecast for Lenox MA is the humidity. Even when it's freezing, the relative humidity in the Berkshires during January often hits 95%.
This is a "wet cold." It’s the kind of chill that gets into your bones even if the thermometer says it's not that low. It makes 25 degrees feel significantly more biting than 25 degrees in a dry climate like Colorado.
Actionable Next Steps for Lenox Residents
- Check your tires today. The drop to 15°F tonight will decrease tire pressure significantly.
- Clear your gutters. Any melting from today's 37°F high will refreeze tonight. Blocked gutters mean ice dams, and ice dams mean expensive roof repairs.
- Salt your walkways early. Do it before the snow showers start tonight to prevent the bottom layer from bonding to the pavement.
- Prepare for Tuesday. It’s going to be the coldest day of the month so far. Plan for indoor activities and check on neighbors who might have older heating systems.
The Berkshires are beautiful in the snow, but they demand respect. Keep an eye on the wind speeds particularly for Friday, as 19 mph sustained winds will make outdoor chores genuinely difficult.