Honestly, looking at the sky over the Big Chicken today, you'd think spring was making an early cameo. It’s Friday, January 16, 2026, and Marietta is currently sitting at a crisp 39°F. Sunny skies. Low humidity. It feels like the kind of day where you can almost justify a light jacket, but don't let the afternoon sun fool you into a false sense of security.
The marietta ga weather forecast 10 day is shaping up to be a total rollercoaster, and if you're planning your week around the Square or a trip to Kennesaw Mountain, you’re gonna want to pay attention to the shifts coming our way. We’re currently in a weird "January Thaw" window, but the atmosphere is about to get a lot more dramatic.
The Immediate Outlook: Rain is Crashing the Party
Tonight is where things start to pivot. While today's high is reaching a decent 49°F, we’re looking at a 75% chance of light rain moving in after midnight. South winds are kicking up to 11 mph, which basically means that mild air is being shoved out by a moisture-heavy front.
If you're heading out Saturday, January 17, keep the umbrella in the car. It’s going to be a gray, cloudy day with a high of 49°F. The morning has a 25% chance of rain, but the real story is the temperature drop coming Saturday night. We’re looking at a low of 30°F and a slight 10% chance of a stray snowflake as the moisture pulls away.
The Arctic Surge: Mid-Week Reality Check
By Sunday, the sun comes back, but it’s bringing the "Polar Vortex" vibes everyone’s been whispering about.
Expect a high of only 37°F on Sunday, January 18. That’s cold for us. The wind is shifting to the northwest at 12 mph, so that "feels like" temp is going to be biting. Monday (MLK Day) and Tuesday are going to be bright but brutal. We’re talking lows down to 21°F and 20°F. Basically, if you haven’t dripped your faucets or checked on your outdoor plants yet, Sunday night is your absolute last deadline.
Here is the quick breakdown of the temperature trend:
- Sunday: High 37°F / Low 27°F (Sunny)
- Monday: High 43°F / Low 21°F (Clear)
- Tuesday: High 35°F / Low 20°F (Sunny)
- Wednesday: High 48°F / Low 24°F (Cloudy night)
Wednesday shows a tiny bit of recovery, but it’s just the setup for the next system.
Wait, Is That Snow in the Forecast?
The most interesting day in the marietta ga weather forecast 10 day is definitely Thursday, January 22.
The models are showing a 40% chance of a rain and snow mix during the day. Highs will hover around 49°F, which usually means anything that falls won't stick to the roads, but we could see some "winter interest" in the air. By Thursday night, the low hits 35°F with a 35% chance of snow showers. In North Georgia, even a mention of the "S" word usually sends people straight to Publix for milk and bread.
Honestly? It looks more like a slushy mess than a winter wonderland for Marietta specifically, though the mountains up past Jasper might actually get some accumulation.
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Late Next Week: The Warm-Up and The Wash-Out
By Friday, January 23, we’re back to partly sunny skies and a high of 48°F. But don't get too comfy. Saturday and Sunday (Jan 24-25) are looking wet.
We’re expecting a high of 59°F next Saturday—a massive jump from the mid-week freezes—but it comes with a 45% chance of evening showers. Sunday follows up with more rain and a high of 54°F. It’s that classic Georgia winter cycle: freeze, thaw, rain, repeat.
By the time we hit Monday, January 26, the 10-day window closes with a return to sunny skies and a high of 36°F. It’s a literal see-saw of temperatures.
Survival Tips for the Marietta 10-Day Swing
Weather like this is hard on everything from your car battery to your sinuses. Since we’re looking at a 29-degree swing between Tuesday’s low and Saturday’s high, your HVAC system is going to be working overtime.
First, check your tire pressure. These cold snaps cause the air in your tires to contract, and that "low pressure" light is almost guaranteed to pop up on Tuesday morning. Second, watch the humidity. It’s currently at 33%, which is pretty dry. When the heaters kick on full blast mid-week, the air inside your house is going to feel like a desert.
Lastly, pay attention to the wind. We’ve got gusts up to 20 mph forecast for several days. If you’ve still got some lingering holiday decor or loose patio cushions, they might end up in your neighbor's yard by Monday.
Stick to the layers, keep the pets inside during those 20-degree nights, and maybe keep a rain jacket in the trunk. This 10-day stretch is basically three seasons packed into a week and a half.
Next Steps for You:
- Check your exterior hose bibs before Sunday night's drop to 27°F.
- Verify your umbrella is actually in your car before the 75% rain chance hits tonight.
- Monitor the Thursday, January 22nd window if you have travel plans toward the North Georgia mountains, as that rain/snow mix could be trickier at higher elevations.