Hagerstown has always been a bit of a weather wildcard. Nestled right in that Great Appalachian Valley, the town tends to trap whatever air mass decides to move in, whether it's a humid summer soup or a biting winter chill. Today, Wednesday, January 14, 2026, isn't exactly a blizzard, but it’s definitely one of those Maryland days where the sky just can’t quite make up its mind. Honestly, if you’re looking at the grey ceiling outside and thinking about leaving your jacket in the car, don’t.
Basically, we’re looking at a high of 50°F. That sounds almost decent for mid-January, right? It’s significantly warmer than the historical average for this time of year, which usually hovers closer to 39°F. But the humidity is sitting high at 70%, and with cloudy conditions dominating the daylight hours, it’s going to feel a lot damper than the thermometer suggests.
The Rain-to-Snow Flip
What’s actually interesting about the weather for Hagerstown MD today is the transition happening after the sun goes down. During the day, there is a 35% chance of rain. It’s the kind of light, annoying drizzle that makes the roads just slick enough to be a nuisance on I-81.
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- Daytime: Cloudy with a 35% rain chance.
- Evening: Shifting to mostly cloudy.
- Overnight: A 23% chance of snow as temperatures drop.
The "low" tonight is expected to hit 27°F. That’s a sharp 23-degree drop from the daytime high. Because the ground is still holding some of that 50-degree warmth, any snow that does fall likely won't stick to the pavement immediately, but it’s enough to make the Thursday morning commute a little unpredictable.
Wind and Visibility Factors
Current conditions show a very light 4 mph wind from the southeast, but that is expected to shift. By tonight, the wind will move to coming from the south at about 6 mph. It’s not a gale, but in 27-degree weather, any breeze feels like a personal insult.
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The UV index is a flat 0. You won't need sunscreen, but the lack of sunlight can definitely weigh on your mood. Experts at the National Weather Service often point out that Hagerstown’s elevation—roughly 540 feet—plays a huge role in how these minor systems behave. Sometimes the "wedge" effect from the mountains keeps the cold air locked in longer than the forecasts predict.
Historically, January is Hagerstown’s coldest month. We typically see about 32°F as a mean temperature. Today’s 50-degree peak is a bit of an outlier, part of a broader trend of milder winter spikes we've seen throughout Maryland in recent years. Still, that 23% chance of overnight snow reminds us that winter hasn't let go just yet.
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What You Actually Need to Do
Don't get fooled by the 50-degree high. The dampness from the 70% humidity means the cold will "seep" more than usual.
- Layering is key: Wear a moisture-wicking base if you're working outside.
- Tire Pressure: These 20-degree temperature swings are notorious for triggering "low pressure" sensors in your car.
- Pet Safety: If you have outdoor animals, make sure they have a dry place to bed down before that temperature plunge tonight.
The most important thing to remember about weather for Hagerstown MD today is that the "feels like" temp will drop much faster than the actual air temperature once the sun sets. If you’re heading out to City Park or running errands at Valley Mall this afternoon, you’ll be fine in a light coat. If you’re coming home after 8:00 PM, you’re going to want the heavy stuff.
Expect the clouds to stick around into tomorrow. We aren't seeing a clear-out until later in the week, so keep the umbrella in the backseat just in case that 35% chance of rain turns into a steady soak.
Actionable Insights for Hagerstown Residents:
Check your outdoor pipes now while it is still 50°F. While 27°F isn't a "hard freeze" that will instantly burst a main, the combination of moisture and a sudden drop can stress older plumbing. Also, keep an eye on the local radar around 10:00 PM; that’s when the rain-to-snow transition is most likely to begin.