Waking up in Ossining is different. You feel it in the air before you even look out the window. If you live near the waterfront, the weather for Ossining New York isn't just a set of numbers on a screen; it's a living, breathing thing influenced by that massive stretch of brackish water we call the Hudson.
Honestly, it’s kinda wild how much a few hundred yards of elevation change between the Metro-North tracks and the top of Croton Avenue can change your morning commute. Today, January 18, 2026, we’re seeing a perfect example of that Hudson Valley moodiness.
The Current Chill and What’s Coming
Right now, it’s a crisp 31°F outside. The sky is basically a solid sheet of gray—typical January stuff. We’ve got a northeast wind barely moving at 1 mph, so there isn't much of a wind chill to complain about yet. But don't get comfortable.
The humidity is sitting heavy at 87%, which is why that cold feels like it’s seeping right into your bones.
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Looking at the rest of today, Sunday:
- High: 35°F
- Low: 25°F
- Precipitation: 100% chance of snow during the day.
- Tonight: Tapering off to snow showers with a 45% chance of sticking around.
Basically, if you were planning on a long hike at Teatown or just a stroll down by the prison to see the river, you might want to bring the heavy boots. The snow is expected to be steady, and with the northeast wind picking up to about 5 mph, those flakes are going to be swirling.
Why Ossining Weather is So Weird
You’ve probably noticed that we often get "slop" while folks up in Yorktown are getting actual powder. That’s the "River Effect." The Hudson acts like a giant heat sink. In the winter, it stays slightly warmer than the air, which can turn a beautiful snowfall into a messy mix of sleet and rain right at the shoreline.
Climate researchers from organizations like the Hudson River Estuary Program have been tracking these microclimates for years. They've found that South Hudson communities—Ossining, Tarrytown, Briarcliff—are seeing a "new normal." We’re getting more of these high-humidity, "heavy" snow events rather than the dry, fluffy stuff of thirty years ago.
It’s not just your imagination. The state's winter temperatures are rising faster than the global average. We're seeing fewer days where the mercury stays below freezing all day.
The Seasonal Reality
If you're new to the area, here’s the breakdown of what to actually expect throughout the year:
- Spring: It’s a slow burn. The river keeps the air cool long after the sun starts feeling warm. You’ll see the daffodils in Westchester County parks popping up in April, but you’ll still want a windbreaker until mid-May.
- Summer: Muggy. There’s no other way to say it. Humidity from the Atlantic travels up the river valley and gets trapped. July usually averages highs in the mid-80s, but it can feel like 100°F if the dew point is high enough.
- Fall: This is why people move here. Crisp, clear, and the foliage along the Palisades across the water is unbeatable.
- Winter: Changeable. You might have a week of 50-degree "thaws" followed by a sudden drop to 10°F.
Dealing With the "Ossining Slush"
Since we’re looking at a 100% chance of snow today, let’s talk logistics. Ossining is a town of hills. If you’re driving up State Street or trying to navigate the turns near the high school, that 35-degree high is dangerous. It’s right at the melting point.
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When snow melts and refreezes, it creates black ice. It’s way more treacherous than five inches of dry snow. Honestly, the best move today is to stay off the steep side streets if you can.
The Village of Ossining is pretty proactive with the brine and salt, but they can't be everywhere. If you're walking, watch out for the sidewalk "glaze" that happens when the humidity is this high.
What Most People Get Wrong
A lot of people think that because we're so close to New York City, the weather is identical. It isn't. We’re often 3 to 5 degrees cooler than Central Park. That small gap is frequently the difference between a rainy walk to the train and a snowy slog.
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Also, the wind. Because of the way the valley is shaped, the wind can "tunnel" through. A 5 mph wind in a parking lot in White Plains might feel like a 15 mph gust down at the Ossining waterfront.
Actionable Steps for Today
If you’re heading out in this weather for Ossining New York, here’s the game plan:
- Check the Metro-North status: Snow and high humidity can mess with the overhead lines or signal switches near the river.
- Salt early: Since it’s 31°F and dropping to 25°F tonight, anything wet on your driveway will be a skating rink by 9 PM.
- Layer up: With 88% humidity, moisture-wicking layers are better than one giant wool coat. You want to stay dry to stay warm.
- Watch the tides: If you’re parked in the low-lying lots near the station, keep an eye on the river. Heavy precipitation combined with a high tide can occasionally cause minor "nuisance flooding" near the tracks.
Stay warm, keep the shovel handy, and enjoy the view of the snow over the Hudson—it’s honestly one of the best sights in Westchester.
Next Steps:
Keep a close watch on the temperature tonight. As it drops toward the 25°F mark, the 100% precipitation from earlier will likely transition into those scattered snow showers. Ensure your car's tires are properly inflated, as the sudden drop in pressure and temp can trigger those annoying dashboard sensors.