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 2025

Average
19° / 11°
Warmest
May 3, 27°
Coldest
May 1, 5°
Rain
176.8 mm
Wet days
13 days (≥ 1 mm)
Against normal
1° cooler than normal
Day's low to highNormal: 2015–2024 averageRain
  1. Thu 15°16°±0°
  2. Fri 216.3 mm10°26°+10°
  3. Sat 30.7 mm16°27°+11°
  4. Sun 43.9 mm12°25°+8°
  5. Mon 514.0 mm10°12°−4°
  6. Tue 62.8 mm10°20°+4°
  7. Wed 70.3 mm13°21°+5°
  8. Thu 812.5 mm12°22°+5°
  9. Fri 921.2 mm9°12°−5°
  10. Sat 1013.4 mm9°18°±0°
  11. Sun 1110°19°+1°
  12. Mon 126°20°+2°
  13. Tue 1311°17°−2°
  14. Wed 149°17°−2°
  15. Thu 155.4 mm14°21°+1°
  16. Fri 160.4 mm17°25°+5°
  17. Sat 170.3 mm15°22°+2°
  18. Sun 180.3 mm14°20°−1°
  19. Mon 190.1 mm9°17°−4°
  20. Tue 200.4 mm8°14°−7°
  21. Wed 210.9 mm9°11°−11°
  22. Thu 2240.7 mm7°9°−12°
  23. Fri 2310.1 mm6°14°−8°
  24. Sat 240.9 mm8°15°−8°
  25. Sun 259°16°−7°
  26. Mon 269°18°−5°
  27. Tue 2710°24°+1°
  28. Wed 2813°24°+1°
  29. Thu 293.3 mm13°19°−5°
  30. Fri 302.0 mm15°23°+1°
  31. Sat 3126.9 mm11°20°−2°

6 May in past years, 2016–2025

  1. 2025 Tue2.8 mm10°20°
  2. 2024 Mon1.8 mm9°24°
  3. 2023 Sat7°22°
  4. 2022 Fri8°16°
  5. 2021 Thu0.2 mm9°17°
  6. 2020 Wed1.3 mm2°11°
  7. 2019 Mon1.3 mm6°15°
  8. 2018 Sun5.1 mm11°19°
  9. 2017 Sat12.4 mm10°19°
  10. 2016 Fri2.4 mm6°11°

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