5-day weather forecast Boston 20-03-2026
Weather forecast Boston Friday 20 March 20.03.2026: overcast, temperature from 1 °C to 9 °C.
Precipitation probability 89%. Wind up to 4.69 m/s (gusts 5.92 m/s). Air humidity 54–89%, atmospheric pressure 758–766 mm Hg, UV index up to 3.9.
Sunrise 10:50
Sunset 22:54
Sunset 22:54
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 1 °C | 0% | 0% | 88% | 765 mm Hg | SSW 204° 2.5 (3.78) m/s | 0 |
| 01:00 | Clear | 1 °C | 0% | 0% | 87% | 765 mm Hg | SSW 208° 2.39 (3.67) m/s | 0 |
| 02:00 | Clear | 0 °C | 0% | 0% | 86% | 765 mm Hg | SSW 205° 2.5 (3.78) m/s | 0 |
| 03:00 |  Cloudy | 0 °C | 0% | 84% | 61% | 765 mm Hg | SSW 202° 2.61 (3.92) m/s | 0 |
| 04:00 | Cloudy | 0 °C | 0% | 79% | 64% | 765 mm Hg | SSW 203° 2.69 (4.17) m/s | 0 |
| 05:00 |  Overcast | 0 °C | 0% | 100% | 67% | 764 mm Hg | SSW 211° 2.81 (4.39) m/s | 0 |
| 06:00 | Overcast | 0 °C | 0% | 100% | 69% | 764 mm Hg | SW 214° 2.89 (4.47) m/s | 0 |
| 07:00 | Overcast | 0 °C | 0% | 100% | 73% | 764 mm Hg | SSW 210° 3 (4.64) m/s | 0 |
| 08:00 |  Overcast | 1 °C | 0% | 88% | 74% | 764 mm Hg | SW 214° 3.39 (4.72) m/s | 0.2 |
| 09:00 |  Cloudy | 3 °C | 0% | 67% | 75% | 764 mm Hg | SW 216° 4 (5.22) m/s | 0.5 |
| 10:00 | Overcast | 4 °C | 0% | 98% | 73% | 763 mm Hg | SW 228° 4.11 (5.06) m/s | 1.8 |
| 11:00 | Cloudy | 6 °C | 0% | 71% | 68% | 762 mm Hg | SW 224° 4.19 (5.08) m/s | 3.1 |
| 12:00 | Overcast | 8 °C | 0% | 92% | 61% | 761 mm Hg | SW 233° 4.19 (4.83) m/s | 3.8 |
| 13:00 |  Partly cloudy | 9 °C | 0% | 60% | 56% | 761 mm Hg | WSW 239° 4.31 (4.94) m/s | 3.9 |
| 14:00 | Overcast | 9 °C | 0% | 100% | 54% | 760 mm Hg | WSW 242° 4.69 (5.92) m/s | 3.1 |
| 15:00 | Overcast | 9 °C | 0% | 97% | 56% | 759 mm Hg | WSW 248° 4.19 (5.78) m/s | 2.2 |
| 16:00 | Overcast | 9 °C | 0% | 100% | 57% | 758 mm Hg | WSW 249° 3.89 (5.39) m/s | 1.4 |
| 17:00 | Overcast | 9 °C | 0% | 89% | 62% | 758 mm Hg | WSW 238° 3.5 (5.17) m/s | 0.6 |
| 18:00 |  Patchy rain possible | 8 °C | 89% (0.01 mm/hr) | 96% | 66% | 758 mm Hg | SW 235° 3.19 (4.97) m/s | 0.1 |
| 19:00 | Overcast | 8 °C | 0% | 100% | 71% | 758 mm Hg | WSW 238° 3.39 (5.47) m/s | 0 |
| 20:00 |  Patchy rain possible | 7 °C | 100% (0.05 mm/hr) | 97% | 77% | 758 mm Hg | WSW 244° 2.81 (4.58) m/s | 0 |
| 21:00 | Cloudy | 6 °C | 0% | 80% | 81% | 762 mm Hg | SW 223° 3.39 (5.86) m/s | 0 |
| 22:00 | Cloudy | 4 °C | 0% | 76% | 82% | 762 mm Hg | SW 232° 3.39 (5.72) m/s | 0 |
| 23:00 | Clear | 4 °C | 0% | 0% | 89% | 766 mm Hg | W 270° 2.5 (3.72) m/s | 0 |
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.