If you’re looking at the annapolis maryland 10 day forecast right now, honestly, you’re probably seeing a lot of gray. Today, January 18, 2026, started with light rain showers and a temperature of 35°F that feels more like 30°F thanks to a steady north wind. It’s that classic Maryland winter dampness where the humidity sits at a heavy 98%.
But don't let the clouds fool you. The next week and a half in the sailing capital is shaping up to be a wild ride of temperature swings and potential snow.
The Near-Term Chill and Sunlight
Monday, January 19, is actually looking pretty decent if you can handle the bite. We’re expecting a high of 40°F with full sun, though the overnight low is going to tank to 19°F. Basically, if you’re planning to be out for MLK Day, layer up. The southwest wind at 14 mph will make those sunny spots feel a lot less warm than they look through a window.
Tuesday keeps the sun but loses the "warmth." We're looking at a high of only 27°F. It’s going to be one of those crisp, clear days where the Chesapeake Bay looks like glass, but you definitely won't want to be standing on a pier for long.
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The Mid-Week Rebound
By Wednesday, January 21, the wind shifts south. This bumps us back up to 38°F. It’s a short-lived reprieve, though, because the clouds start rolling back in that evening.
Thursday, January 22, might actually be the "warmest" day of the bunch. We’re forecasting a high of 45°F with partly sunny skies. If you’ve been waiting for a day to walk around City Dock or grab a coffee at Old Fox Books without your face freezing, this is your window.
The Weekend Snow Threat
Here is where things get interesting. Saturday, January 24, and Sunday, January 25, are showing a consistent 20-35% chance of snow showers. Temperatures will struggle to get above 28°F.
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- Saturday: High of 28°F, low of 19°F. Snow showers likely during the day and night.
- Sunday: High of 28°F, low of 18°F. Mostly cloudy with more snow showers expected overnight.
Monday, January 26, is the one to watch closely. The current forecast calls for a 70% chance of precipitation—a messy mix of rain and snow. With a high of only 26°F and northwest winds gusting at 19 mph, it’s going to be a "stay inside and make soup" kind of day.
Why Annapolis Weather Is So Moody
Locals know the "Bay Effect" isn't just a myth. The water temperature in the Chesapeake during January usually hovers around 35°F to 37°F. This acts like a giant space heater or a giant ice pack, depending on which way the wind is blowing. When we get those northwest winds—like we’re seeing for much of this 10-day stretch—the air comes off the land and it’s brutal.
If the wind shifts and comes off the water, it often keeps Annapolis just a few degrees too warm for the "big" snows that hit places like Frederick or even Bowie. That’s why you’ll see "rain and snow" on the forecast for January 26 instead of a guaranteed blizzard.
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Surviving the January Slump
Since the annapolis maryland 10 day forecast is leaning heavily into the "frigid" category toward the end of the month, you’ll want to pivot to indoor activities.
The U.S. Naval Academy Museum is a great shout—it’s free, it’s heated, and the ship models are genuinely incredible. If you have kids, the North Arundel Aquatic Center in Glen Burnie is a lifesaver when it’s 23°F outside but they need to burn off energy in a 134-foot water slide.
Looking Toward Late January
The end of this 10-day window (January 27 and 28) shows the cold front firmly in place. We’re looking at highs of 23°F and lows dipping as far down as 13°F. That is significantly colder than the historical January average high of 40°F.
It’s the kind of deep freeze that might actually start to see some ice forming in the shallower creeks like Spa Creek or Back Creek.
Actionable Next Steps:
- Drip those pipes: With overnight lows hitting 13°F by the 27th, make sure your outdoor spigots are disconnected and your pipes are protected.
- Salt the walk now: If you're planning to head out Saturday or Monday, keep the rock salt handy for those light snow showers that like to freeze into thin black ice on Annapolis bricks.
- Plan indoor detours: Target the Maryland State House or the Annapolis Maritime Museum for your weekend outings to stay out of the 19 mph wind gusts.