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Boston

Massachusetts, United States · now 48°, overcast

May 2009

Average
66° / 50°
Warmest
May 22, 86°
Coldest
May 19, 43°
Rain
3.33 in
Wet days
15 days (≥ 0.04 in)
Against normal
1° warmer than normal
Day's low to highNormal: 1999–2008 averageRain
  1. Fri 10.11 in53°68°+6°
  2. Sat 20.05 in51°66°+3°
  3. Sun 30.04 in48°61°−2°
  4. Mon 40.10 in47°63°−1°
  5. Tue 50.27 in47°52°−12°
  6. Wed 60.28 in46°62°−3°
  7. Thu 70.70 in50°67°+2°
  8. Fri 80.00 in51°72°+6°
  9. Sat 90.33 in56°71°+5°
  10. Sun 1049°65°±0°
  11. Mon 1146°58°−7°
  12. Tue 120.09 in44°62°−3°
  13. Wed 1344°66°+2°
  14. Thu 140.24 in49°63°−1°
  15. Fri 150.05 in55°73°+9°
  16. Sat 160.02 in55°69°+6°
  17. Sun 170.25 in51°62°−2°
  18. Mon 1846°52°−12°
  19. Tue 1943°67°+3°
  20. Wed 2050°77°+13°
  21. Thu 2157°85°+22°
  22. Fri 2260°86°+22°
  23. Sat 2352°64°±0°
  24. Sun 240.39 in53°79°+14°
  25. Mon 2554°76°+10°
  26. Tue 2648°58°−9°
  27. Wed 270.24 in49°53°−15°
  28. Thu 280.01 in48°51°−19°
  29. Fri 290.08 in49°61°−9°
  30. Sat 300.07 in56°74°+4°
  31. Sun 310.01 in49°76°+6°

19 May in past years, 2000–2009

  1. 2009 Tue43°67°
  2. 2008 Mon47°60°
  3. 2007 Sat0.32 in43°51°
  4. 2006 Fri0.55 in51°61°
  5. 2005 Thu45°60°
  6. 2004 Wed0.06 in54°68°
  7. 2003 Mon45°77°
  8. 2002 Sun38°57°
  9. 2001 Sat48°71°
  10. 2000 Fri0.33 in45°61°

· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo