Honestly, if you're living in Pittsburgh right now, you already know the drill. The sky has that heavy, bruised look that only Western Pennsylvania can pull off in mid-January. Everyone is asking about what's the weather tomorrow in pittsburgh because, frankly, the "Steel City" is currently sitting in the crosshairs of a legitimate arctic punch.
It's cold. Like, "hurts to breathe" cold.
Tomorrow, Monday, January 19, 2026, isn't just another winter day. It’s Martin Luther King Jr. Day, and while many have the day off, the atmosphere isn't taking a break. We are looking at a high of 23°F and a low that's going to crater all the way down to 7°F.
The Reality of What's the Weather Tomorrow in Pittsburgh
Most people see a 20% chance of snow and think they’re in the clear. Don't do that. In Pittsburgh, a "20% chance of snow showers" usually means you’ll be minding your own business on the Parkway and suddenly hit a wall of white that lasts exactly four minutes but leaves the road like a skating rink.
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The wind is the real story here. We’re expecting southwest winds at about 18 mph.
Now, do the math. When it's 23 degrees outside and the wind is whipping at nearly 20 miles per hour, the "feels like" temperature is going to stay firmly in the single digits. If you’re heading out to any MLK Day events or just grabbing a coffee in the Strip District, that wind will cut right through a standard wool coat. You need a shell. Something that blocks the air.
Why the "Flash Freeze" is the Real Threat
Humidity is sitting at 65%, which is high enough to keep things feeling damp and bone-chilling. But the real concern for Monday morning is what happened over the weekend. We had snow showers on Sunday, and with Monday's low hitting 7°F, anything that melted or remained slushy is going to be solid ice by sunrise.
PJM Interconnection, the folks who manage our power grid, have already issued a Cold Weather Alert for the Western Region—that’s us—for tomorrow. They aren't doing that for fun. They’re doing it because when the mercury hits single digits, everybody cranks the heat, and the grid feels the strain.
Surviving the Monday Commute (Or Lack Thereof)
If you have to be on the roads, the morning looks the most "interesting." While the daytime precipitation chance is low at 20%, the overnight drop to 7°F means black ice is almost a guarantee on bridges and overpasses.
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Basically, Monday is a "stay inside and make a pot of chili" kind of day.
- The High: 23°F (Occurring mid-afternoon, but don't get used to it).
- The Low: 7°F (Late night/early Tuesday morning).
- The Wind: Southwest at 18 mph—watch for gusts near the tall buildings downtown.
- The Vibe: Extreme winter.
The UV index is a 1. You won't see much sun, and even if you do, it’s that weak, pale January sun that offers zero warmth. It’s mostly just there to remind you that the planet is still rotating.
What You Should Actually Do
Check your tires. Seriously. Cold air makes the pressure drop, and the last thing you want is a "low pressure" light blinking at you when it’s 7 degrees outside. Also, if you have pets, keep them in. If it's too cold for you to stand on the sidewalk in your bare feet, it's definitely too cold for them.
Tomorrow is a day for layers, patience, and maybe an extra blanket.
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Make sure your car has an ice scraper that isn't broken (we've all been there, using a credit card is miserable) and ensure your external vents for your furnace are clear of any drifting snow. Single-digit lows can be hard on older Pittsburgh homes, so keep the cabinets under your sinks open if your pipes are prone to freezing. Stay warm, Yinz.
Actionable Steps for Tomorrow:
- Layer up: Use a moisture-wicking base layer and a windproof outer shell to combat the 18 mph gusts.
- Pipe protection: Open cabinet doors under sinks tonight to allow warm air to reach plumbing as temperatures drop to 7°F.
- Check the grid: Minimize heavy appliance use during peak morning hours if possible, following the PJM Cold Weather Alert.
- Pet Safety: Limit outdoor time for animals to quick "business" trips only.