Savannah is weird. Honestly, if you’ve lived here long enough, you know the weather is less of a predictable cycle and more of a chaotic mood ring. One day you're grabbing a cocktail on a rooftop in a t-shirt, and the next, you’re digging through the attic for a wool coat because a "clipper" decided to drop the temperature 30 degrees while you were sleeping.
Right now, as we look at the extended forecast for savannah georgia through late January 2026, we’re seeing exactly that kind of identity crisis.
The current setup is a classic coastal Georgia rollercoaster. On Saturday, January 17, we’re sitting at a high of 66°F with cloudy skies. It feels like a mild, almost spring-like day. But don't get used to it. By Sunday morning, a cold front is set to shove its way through, dragging the high down to a biting 49°F and the low to a freezing 30°F. That is a massive swing for a single 24-hour period.
The Cold Snap and the Rain Problem
Most people think the South is always warm. They're wrong. When that northwest wind kicks in at 11 mph this Sunday, it’s going to feel significantly colder than the thermometer says. We're also looking at a 75% chance of rain during the day on Sunday.
It’s that "wet cold" that gets into your bones.
The National Weather Service has been keeping a close eye on the thermal profiles for this weekend. While there was some chatter about a "wintry mix" for inland areas near the I-95 corridor, coastal Savannah is likely to stay strictly in the rain camp. You might see a stray snowflake 40 miles inland, but downtown? Just keep the umbrella handy and the heater on.
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What the next 10 days actually look like
If you’re planning your week, here is the basic breakdown of how things are shaking out:
- Monday & Tuesday (Jan 19-20): Highs stay in the low 50s. Expect sunny to partly sunny skies, but those morning lows will hover right at or just above freezing (31°F to 33°F).
- The Mid-Week Thaw: By Wednesday, January 21, the wind shifts to the northeast. We start climbing back up. Expect a high of 61°F.
- The Second Weekend Surge: Saturday, January 24, looks like the winner. We’re forecasting a high of 71°F.
It’s basically a sine wave.
Why January in Savannah is a Wildcard
Historically, January is our coldest month. The average high is usually around 60°F, but as we’re seeing this year, "average" is a mathematical myth. You’re just as likely to hit 75°F as you are to wake up to frost on your windshield.
The big player this year is a weakening La Niña.
Typically, La Niña means a warmer and drier winter for the Southeast. However, the 2025-2026 season has been a bit of a rebel. We've had more moisture than usual, and the cold air from the Midwest has been "bleeding" south more frequently. According to the Climate Prediction Center, we're transitioning toward "ENSO-neutral" conditions, which basically means the atmosphere is loses its steering wheel.
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Expect more volatility.
Gardening and the "False Spring"
If you’re a gardener in the Lowcountry, this extended forecast for savannah georgia is a nightmare. Those 71°F days in late January might tempt your camellias or even early azaleas to think it's time to shine.
Don't fall for it.
We still have February to get through. The Old Farmer's Almanac and local NWS discussions suggest that while February 2026 might trend a few degrees above average (around 51°F mean temp), we aren't out of the frost woods until at least mid-March. If you have tender perennials, keep that frost cloth in the garage. You'll need it when the temps dip back into the 30s on Monday night.
Dealing with the Humidity and Wind
One thing people overlook in the winter forecast is the humidity.
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On Sunday, it’s hitting 79%. In the summer, that’s a sauna. In the winter, it turns the air into a damp blanket that sucks the heat right out of you.
Wind is the other factor. We aren't seeing tropical-storm-level gusts, but a steady 11-12 mph wind from the northwest or south (depending on the day) makes a huge difference in how you dress for a walk through Forsyth Park.
Basically, the 10-day trend is a tug-of-war between the warm Atlantic air and the cold continental air. The Atlantic is winning by next Saturday, but the continent is taking the trophy this Sunday and Monday.
Actionable steps for the week ahead
Stop checking the "daily" forecast and start looking at the "hourly" trends, because the timing of these fronts is everything.
- Winterize your pipes tonight: If you're in an older downtown home with exposed plumbing, that 30°F low on Sunday night is enough to cause issues.
- Layers are your best friend: You’ll need a heavy coat at 8:00 AM on Monday, but you’ll probably be carrying it by 2:00 PM when it hits 53°F.
- Watch the rain timing: Sunday’s 75% chance is mostly a daytime event. If you have outdoor plans, Saturday is your only real window before the wet weather moves in.
- Check the UV: Even on the cooler days like Monday, the UV index is a 3. It’s not a sunburn-in-ten-minutes situation, but if you’re out on the water or the beach at Tybee, the reflection can still get you.
Savannah weather is a lot of things, but it’s rarely boring. Stay dry this Sunday and get ready for that 70-degree "winter" day next weekend.