South Florida Braces for Extreme Temperature Swings

Record-breaking heat this weekend followed by frigid temperatures next week

Published on Feb. 28, 2026

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South Florida is set to experience a dramatic shift in weather conditions over the next week, going from the potential for record-breaking heat this weekend to much colder temperatures and morning lows in the 40s by early next week.

Why it matters

The rapid temperature changes can pose challenges for residents and businesses, requiring them to quickly adapt their plans and activities. It also highlights the unpredictable nature of South Florida's weather patterns.

The details

This weekend, high temperatures in Miami are forecast to reach 84 degrees on Saturday and 86 degrees on Sunday, potentially breaking old records. However, a cold front is expected to move through the region on Sunday, bringing a significant drop in temperatures. By Monday morning, lows will be in the 50s, and highs will struggle to reach the mid-to-upper 60s. The coldest morning is predicted to be Tuesday, with lows in the low 40s inland and mid-to-upper 40s near the coast.

  • On Saturday, the forecast high temperature in Miami is 84 degrees, with the old record being 86 degrees set in 2023.
  • On Sunday, the forecast high temperature in Miami is 86 degrees, with the old record being 87 degrees set in 1987.
  • On Monday morning, lows will be in the 50s, and highs will struggle to reach the mid-to-upper 60s.
  • On Tuesday morning, the coldest of the week, lows are predicted to fall to the low 40s inland and the mid-to-upper 40s near the coast.

The players

CBS Miami Next Weather team

The weather forecasting team at the local CBS News affiliate in Miami.

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What they’re saying

“Get ready to break out the sweaters and jackets again on Monday morning as it will be chilly with the 50s.”

— CBS Miami Next Weather team (cbsnews.com)

What’s next

Residents and businesses in South Florida should closely monitor the weather forecasts and be prepared to adjust their plans and activities accordingly as the temperatures fluctuate dramatically over the next week.

The takeaway

The rapid temperature swings in South Florida this week highlight the unpredictable nature of the region's weather patterns and the need for residents and businesses to stay vigilant and adaptable when it comes to planning their activities.