Right now, if you step outside in Butler, you’re hitting a wall of air that sits at exactly 19°F. But honestly? That number is a bit of a lie. With a west wind kicking at 8 mph, the "feels like" temperature is actually a biting 9°F. It’s the kind of cold that finds the gap between your scarf and your chin and doesn’t let go.
The sky is hanging onto a "partly sunny" label for the moment, but don't let that fool you into leaving your heavy coat behind. By the time we hit the peak of the day, we’re only looking at a high of 21°F.
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Breaking Down the Butler PA Weather Forecast
Most of us just glance at the app and see "Cloudy," but the shift happening today is actually pretty specific. We are transitioning from those morning glimpses of sun into a much heavier, overcast afternoon. Humidity is hovering around 54%—dry enough to make your skin itch but high enough to make the air feel heavy.
Tonight is where things get interesting for anyone living near Main Street or out toward the Fairgrounds. The temperature is going to dip to a low of 15°F. While the daytime precipitation chance is a measly 10%, that jumps to 25% after dark. We’re looking at snow showers. It isn't going to be a blizzard, but it's enough to glaze the windshields for the Monday morning commute.
Why January in Butler is a Different Beast
The local climate here is famously temperamental. While the historical average high for January usually sits around 33°F or 34°F, today's 21°F is a significant drop from the norm. We’re currently in a stretch that’s roughly 12 to 13 degrees colder than the long-term averages for this week.
According to data from the National Weather Service in Pittsburgh, this cold snap is being driven by a steady west wind. It’s not just "chilly"—it’s a deep, sustained freeze that’s keeping the UV index at a flat 0 or 1. You won’t be catching any Vitamin D today.
What to Expect for the Rest of the Week
If you think today is rough, brace yourself for the next 48 hours. The forecast for Martin Luther King Jr. Day is calling for more snow, with a 70% chance of accumulation. While it's likely to be less than an inch, the wind is the real story. We’re expecting southwest winds at 15 to 20 mph with gusts reaching up to 35 mph.
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Monday night is the kicker. The low is projected to hit 2°F above zero. When you factor in those gusts, wind chill values could plummet to 13°F below zero. That is dangerous cold. It’s the kind of weather where pipes freeze if you aren't careful and car batteries decide to give up the ghost.
Staying Ahead of the Freeze
Living in Western PA means you've probably got your winter routine down, but this specific forecast requires a bit more than just a shovel in the trunk.
- Check the tire pressure: These 20-degree drops cause PSI to plummet.
- Limit pet time outside: When it feels like 9°F or lower, paws can freeze fast on the sidewalk.
- Salt the walkways tonight: Since that 25% chance of snow hits after midnight, you'll want a layer of grit down before it turns to ice.
Basically, today is a day for layers and keeping the heater on a steady drip. We aren't out of the woods yet, especially with the "not as cold" temperatures (mid-30s) not expected to return until at least Wednesday.
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Actionable Next Steps:
Check your outdoor vents for snow or ice blockage this evening, and ensure your vehicle’s emergency kit is stocked with blankets before the sub-zero wind chills arrive Monday night.