Boca Raton stays mostly sunny Sunday with just a small late-day shower chance, while boaters see a brief window of choppier, caution-level conditions offshore.
Today’s Weather — Sunday, January 4, 2026
Boca Raton starts this Sunday on a mostly sunny track, the kind of bright January morning that makes the beaches look busy even before lunch. It won’t be a washout. In fact, most hours should stay dry. Still, don’t totally ignore the radar later in the day.
The National Weather Service forecast for the Boca Raton Airport area calls for a 20% chance of showers after 4 p.m. today. That’s a low probability, and it’s not pointing to an all-afternoon situation. More like a quick, hit-or-miss shower that could clip the I-95 corridor, the Intracoastal side, or even drift toward Glades Road around the evening drive, then move on.
High temperature today is expected to land near 78 degrees, with a mostly sunny sky overhead. Early on, winds are out of the west around 10 mph, but the breeze won’t stay put. As the day goes on, winds are expected to turn north in the afternoon, lining up with a weak frontal boundary sliding down toward South Florida.
The broader setup behind this forecast is pretty straightforward. A weakening front and a mid-level disturbance are moving toward the region, but the atmosphere above the lower levels stays fairly dry, which limits how much rain can actually get going. The weather service discussion describes only weak, isolated shower development as the likely outcome — the kind of thing that shows up in a few neighborhoods and misses plenty of others.
By later today and into tonight, the wind pattern shifts again. As high pressure and ridging rebuild, low-level flow returns to an easterly direction, and that can spark a little shallow “coastal convergence” shower activity along the east coast metro areas. Translation: you could see a brief shower Sunday evening into Sunday night, but most of the time it’s still expected to be quiet.
Tonight looks calm overall: mostly clear, with a low around 65 degrees. Winds stay north 6 to 10 mph.
One area to keep an eye on today is not over land, but offshore. The marine forecast notes a brief period of potentially hazardous winds for offshore Palm Beach waters through this morning, with winds shifting to the northwest and increasing to moderate speeds on the Atlantic side as the front approaches. If you’re heading out from Boca Inlet, Deerfield, or up toward Jupiter Inlet, conditions could be rougher than they look from the beach.
For the coastal waters from Jupiter Inlet to Deerfield Beach out 20 nautical miles, the advisory states “Small Craft Should Exercise Caution.” Today’s marine forecast calls for west winds 10 to 15 knots with gusts up to 20 knots, becoming north this afternoon, and seas 2 to 3 feet. Tonight, winds remain 10 to 15 knots before easing later, while seas build to 2 to 4 feet, occasionally to 5 feet. That’s not extreme, but it’s enough to make for a bumpy ride, especially for smaller boats.
Current Advisories / Watches / Warnings
No active advisories are posted for Palm Beach County as of this morning.
7 Day Outlook
Today (Sun): Mostly sunny, high near 78, with a 20% shower chance after 4 p.m. West wind around 10 mph shifting north in the afternoon. Offshore Atlantic waters may be briefly hazardous early; small craft should use caution.
Tonight (Sun night): Mostly clear, low around 65. North wind 6 to 10 mph.
Monday: Mostly sunny, high near 78. North wind 6 to 10 mph becoming east in the morning. Overall dry, though a stray coastal shower can’t be ruled out.
Monday night: Mostly clear, low around 67. East wind around 6 mph.
Tuesday: Mostly sunny, high near 79. Southeast wind 3 to 8 mph. Quiet and warm.
Tuesday night: Mostly clear, low around 65. Southeast wind around 6 mph, becoming light and variable after midnight.
Wednesday: Sunny, high near 79. Light and variable wind becoming east 5 to 7 mph in the morning.
Wednesday night: Mostly clear, low around 68. Southeast wind around 7 mph.
Thursday: Sunny, high near 79. Southeast wind 6 to 10 mph.
Thursday night: Mostly clear, low around 70.
Friday: Sunny, high near 79.
Friday night: Mostly clear, low around 69.
Saturday: Sunny, warmer, high near 81.
The trend through the week is steady: lots of sun, low rain chances, and a gradual warm-up, with the overall pattern favoring dry, quiet weather outside of occasional coastal shower development.
Source: National Weather Service Miami forecast for 2 miles ESE Boca Raton Airport (updated 5:02 a.m. EST Jan. 4, 2026) and NWS Miami Area Forecast Discussion / Marine forecast.
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