5-day weather forecast Boston 27-05-2026
Weather forecast Boston Wednesday, May 27 27.05.2026: sunny, temperature from 16 °C to 27 °C.
Precipitation probability 72%. Wind up to 4.31 m/s (gusts 8.19 m/s). Air humidity 37–74%, atmospheric pressure 757–760 mm Hg, UV index up to 8.3.
Sunrise 05:14
Sunset 20:08
Sunset 20:08
Waxing Gibbous74% illuminated
Moonrise 14:38 · Moonset 02:09
Moonrise 14:38 · Moonset 02:09
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 17 °C | 0% | 3% | 72% | 760 mm Hg | SW 232° 4.31 (8.06) m/s | 0 |
| 01:00 | Clear | 17 °C | 0% | 5% | 73% | 760 mm Hg | SW 236° 4.11 (7.94) m/s | 0 |
| 02:00 | Clear | 17 °C | 0% | 10% | 73% | 759 mm Hg | WSW 241° 3.89 (8.19) m/s | 0 |
| 03:00 | Clear | 16 °C | 0% | 17% | 73% | 759 mm Hg | WSW 242° 3.89 (8.19) m/s | 0 |
| 04:00 | Clear | 16 °C | 0% | 11% | 73% | 759 mm Hg | WSW 250° 3.39 (7.14) m/s | 0 |
| 05:00 | Clear | 16 °C | 0% | 10% | 74% | 759 mm Hg | WSW 249° 3.31 (6.92) m/s | 0 |
| 06:00 |  Sunny | 17 °C | 0% | 11% | 73% | 759 mm Hg | WSW 251° 3.11 (6.5) m/s | 0.1 |
| 07:00 | Sunny | 19 °C | 0% | 8% | 70% | 759 mm Hg | WSW 253° 3.11 (5.47) m/s | 0.6 |
| 08:00 | Sunny | 21 °C | 0% | 16% | 64% | 759 mm Hg | W 268° 3.89 (5.5) m/s | 1.5 |
| 09:00 | Sunny | 23 °C | 0% | 5% | 60% | 758 mm Hg | W 279° 3.89 (5) m/s | 3.1 |
| 10:00 | Sunny | 24 °C | 0% | 4% | 55% | 758 mm Hg | WNW 291° 4.19 (5.25) m/s | 5 |
| 11:00 | Sunny | 25 °C | 0% | 13% | 49% | 758 mm Hg | WNW 300° 4.31 (5.25) m/s | 6.8 |
| 12:00 |  Partly cloudy | 26 °C | 0% | 45% | 43% | 758 mm Hg | WNW 301° 3.69 (4.53) m/s | 8.1 |
| 13:00 | Partly cloudy | 27 °C | 0% | 29% | 39% | 758 mm Hg | NW 305° 3.69 (4.61) m/s | 8.3 |
| 14:00 | Sunny | 27 °C | 0% | 23% | 37% | 757 mm Hg | NW 309° 3.89 (5) m/s | 7.4 |
| 15:00 | Sunny | 27 °C | 0% | 23% | 40% | 757 mm Hg | NW 317° 2.69 (3.81) m/s | 4.3 |
| 16:00 | Partly cloudy | 25 °C | 0% | 25% | 42% | 757 mm Hg | NNW 335° 2.81 (3.83) m/s | 3.4 |
| 17:00 | Partly cloudy | 24 °C | 0% | 43% | 50% | 757 mm Hg | N 1° 2.39 (3.69) m/s | 1.4 |
| 18:00 | Partly cloudy | 22 °C | 0% | 43% | 57% | 757 mm Hg | NNE 21° 1.11 (2) m/s | 0.2 |
| 19:00 | Partly cloudy | 21 °C | 0% | 47% | 60% | 757 mm Hg | NE 42° 1.11 (2.03) m/s | 0.1 |
| 20:00 |  Cloudy | 20 °C | 0% | 74% | 62% | 757 mm Hg | ENE 60° 1 (1.92) m/s | 0 |
| 21:00 |  Patchy rain possible | 20 °C | 72% (0.01 mm/hr) | 96% | 65% | 758 mm Hg | NNW 344° 0.61 (1.19) m/s | 0 |
| 22:00 |  Overcast | 19 °C | 0% | 99% | 62% | 758 mm Hg | NW 313° 0.61 (1.11) m/s | 0 |
| 23:00 |  Cloudy | 19 °C | 0% | 75% | 60% | 758 mm Hg | NNW 334° 1.5 (2.69) m/s | 0 |
Boston on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.