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Boston

Massachusetts, United States · now 8°, light drizzle

May 1987

  1. 0°J
  2. 1°F
  3. 7°M
  4. 12°A
  5. 19°M
  6. 25°J
  7. 28°J
  8. 26°A
  9. 21°S
  10. 15°O
  11. 10°N
  12. 4°D
Average
19° / 9°
Warmest
May 31, 34°
Coldest
May 2, 3°
Rain
43.0 mm
Wet days
8 days (≥ 1 mm)
Against normal
About normal
Day's low to highNormal: 1977–1986 averageRain
  1. Fri 14°16°−1°
  2. Sat 23°19°+2°
  3. Sun 30.6 mm6°13°−3°
  4. Mon 48.6 mm6°11°−6°
  5. Tue 511.6 mm5°7°−9°
  6. Wed 60.6 mm6°10°−6°
  7. Thu 79°23°+6°
  8. Fri 87°13°−4°
  9. Sat 96°21°+4°
  10. Sun 1014°27°+10°
  11. Mon 119°21°+4°
  12. Tue 123.9 mm11°25°+8°
  13. Wed 136°14°−3°
  14. Thu 144°18°±0°
  15. Fri 153.7 mm10°18°±0°
  16. Sat 166°18°±0°
  17. Sun 171.1 mm12°25°+6°
  18. Mon 1811°16°−3°
  19. Tue 190.1 mm8°15°−5°
  20. Wed 206°15°−6°
  21. Thu 217°20°−1°
  22. Fri 2213°26°+4°
  23. Sat 233.6 mm9°20°−2°
  24. Sun 245.5 mm8°11°−10°
  25. Mon 258°17°−5°
  26. Tue 2610°20°−1°
  27. Wed 2710°17°−5°
  28. Thu 283.7 mm12°28°+6°
  29. Fri 2918°24°+2°
  30. Sat 3018°33°+11°
  31. Sun 3121°34°+13°

21 May in past years, 1978–1987

  1. 1987 Thu7°20°
  2. 1986 Wed5.1 mm16°23°
  3. 1985 Tue10.3 mm16°25°
  4. 1984 Mon4.2 mm13°22°
  5. 1983 Sat0.3 mm14°24°
  6. 1982 Fri11°20°
  7. 1981 Thu8°21°
  8. 1980 Wed2.4 mm9°13°
  9. 1979 Mon2.8 mm12°20°
  10. 1978 Sun2.2 mm12°22°

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