Theme, Tides and Units follow your browser and your place until JavaScript loads.

Theme
Tides

Auto shows Tides within 15 miles of the coast.

Units

Auto uses each place's own unit. The °C / °F switch beside the gear changes one page.

Boston

Massachusetts, United States · now 10°, clear

May 2024

Average
20° / 10°
Warmest
May 22, 31°
Coldest
May 12, 4°
Rain
135.2 mm
Wet days
13 days (≥ 1 mm)
Against normal
About normal
Day's low to highNormal: 2014–2023 averageRain
  1. Wed 14.7 mm6°11°−5°
  2. Thu 21.9 mm6°23°+7°
  3. Fri 36°13°−3°
  4. Sat 46°11°−5°
  5. Sun 56.4 mm7°15°−2°
  6. Mon 61.8 mm9°24°+7°
  7. Tue 711°22°+6°
  8. Wed 825.3 mm10°19°+2°
  9. Thu 99°18°±0°
  10. Fri 100.6 mm7°12°−5°
  11. Sat 110.7 mm5°11°−7°
  12. Sun 120.2 mm4°14°−4°
  13. Mon 130.3 mm6°17°−2°
  14. Tue 149°24°+4°
  15. Wed 154.4 mm13°22°+2°
  16. Thu 1632.7 mm11°16°−4°
  17. Fri 1710°20°−1°
  18. Sat 1814.9 mm11°14°−7°
  19. Sun 191.6 mm11°14°−7°
  20. Mon 2010°17°−4°
  21. Tue 210.5 mm11°29°+9°
  22. Wed 2215°31°+10°
  23. Thu 233.6 mm17°28°+6°
  24. Fri 2414°29°+6°
  25. Sat 2513°25°+2°
  26. Sun 260.4 mm15°24°+2°
  27. Mon 274.2 mm15°23°±0°
  28. Tue 2810.2 mm18°28°+5°
  29. Wed 290.2 mm15°24°+2°
  30. Thu 3020.6 mm12°16°−7°
  31. Fri 3110°23°+2°

20 May in past years, 2015–2024

  1. 2024 Mon10°17°
  2. 2023 Sat28.2 mm10°20°
  3. 2022 Fri0.2 mm10°21°
  4. 2021 Thu12°22°
  5. 2020 Wed6°15°
  6. 2019 Mon2.0 mm18°27°
  7. 2018 Sun16.7 mm12°25°
  8. 2017 Sat10°16°
  9. 2016 Fri8°21°
  10. 2015 Wed10°19°

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