From Charlotte to Boston, An Arctic Blast Will Bring Abnormal Cold to These Cities This Weekend

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This week, a rare weather pattern will bring contrasting extremes to two different parts of the country. An unusual northward tilt in the jet stream in the West will bring abnormally high temperatures to the Southwest, while a dramatic southern dip in the jet stream in the East will bring abnormally cold temperatures to the Northeast.

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Arctic wind from Canada will bring freezing temperatures to dozens of major cities, sending overnight temperatures far below historical normals. From April 10 to 12, temperatures will fall more than five degrees below historical averages for millions of Americans, with several cities forecast to set record lows for the period. A closer look at the data reveals the cities where it will be abnormally cold this weekend.

To determine the cities where it will be abnormally cold this weekend, Climate Crisis 247 reviewed 72-hour temperature forecasts and historical station-level daily temperature readings from the NOAA. Cities were ranked based on the difference between the forecast minimum temperature for April 10-12, 2025, and the average observed minimum temperature for April 10-12 from 2006 to 2020. Gridded forecast data are from the National Digital Forecast Database, while historical temperature normals are from the Global Historical Climatology Network daily program of the National Centers for Environmental Information. Weather stations were matched to places using nearest neighbor analysis and were limited to cities within 50 miles of the city centroid. Only cities with at least 100,000 residents were considered.

20. Baltimore, MD

• Forecast minimum, April 10-12: 38.5°F (-4.3°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 42.8°F
• Total population: 584,548

 

19. Charlotte, NC

• Forecast minimum, April 10-12: 44.0°F (-4.5°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 48.5°F
• Total population: 875,045

 

18. Allentown, PA

• Forecast minimum, April 10-12: 36.5°F (-4.5°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 41.0°F
• Total population: 125,292

 

17. Waterbury, CT

• Forecast minimum, April 10-12: 28.0°F (-4.7°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 32.7°F
• Total population: 114,480

 

16. Stamford, CT

• Forecast minimum, April 10-12: 31.5°F (-4.9°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 36.4°F
• Total population: 135,413

 

15. Paterson, NJ

• Forecast minimum, April 10-12: 30.6°F (-4.9°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 35.5°F
• Total population: 157,864

 

14. Birmingham, AL

• Forecast minimum, April 10-12: 45.0°F (-4.9°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 49.9°F
• Total population: 200,431

 

13. Philadelphia, PA

• Forecast minimum, April 10-12: 40.0°F (-5.3°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 45.3°F
• Total population: 1,593,208

 

12. Tuscaloosa, AL

• Forecast minimum, April 10-12: 47.0°F (-5.8°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 52.8°F
• Total population: 105,797

 

11. Hartford, CT

• Forecast minimum, April 10-12: 31.0°F (-6.0°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 37.0°F
• Total population: 121,057

 

10. Lynn, MA

• Forecast minimum, April 10-12: 30.5°F (-6.0°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 36.5°F
• Total population: 100,653

 

9. Springfield, MA

• Forecast minimum, April 10-12: 26.4°F (-6.6°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 33.0°F
• Total population: 155,305

 

8. Providence, RI

• Forecast minimum, April 10-12: 30.0°F (-6.7°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 36.7°F
• Total population: 189,715

 

7. Worcester, MA

• Forecast minimum, April 10-12: 25.0°F (-7.2°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 32.2°F
• Total population: 204,191

 

6. Montgomery, AL

• Forecast minimum, April 10-12: 48.0°F (-7.4°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 55.4°F
• Total population: 199,819

 

5. Brockton, MA

• Forecast minimum, April 10-12: 30.0°F (-7.5°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 37.5°F
• Total population: 104,713

 

4. Boston, MA

• Forecast minimum, April 10-12: 30.0°F (-7.5°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 37.5°F
• Total population: 665,945

 

3. Lowell, MA

• Forecast minimum, April 10-12: 31.0°F (-7.5°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 38.5°F
• Total population: 114,737

 

2. Manchester, NH

• Forecast minimum, April 10-12: 26.0°F (-7.9°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 33.9°F
• Total population: 115,037

 

1. New Bedford, MA

• Forecast minimum, April 10-12: 30.5°F (-7.9°F below climate normal)
• Normal April 10-12 minimum, 2006-2020: 38.4°F
• Total population: 100,620

 

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