5-day weather forecast Boston Oct 17, 2026
15°Weather forecast Boston Saturday Oct 17, 2026: sunny, temperature from 4 °C to 15 °C.
Precipitation probability 88%. Wind up to 9.31 m/s (gusts 16.14 m/s). Air humidity 35–95%, atmospheric pressure 748–770 mm Hg, UV index up to 3.1.
5 days at a glance — tap a day to open it
Sunrise 06:59
Sunset 17:59
Sunset 17:59
First Quarter47% illuminated
Moonrise 14:07 · Moonset 23:05
Moonrise 14:07 · Moonset 23:05
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain | 15 °C | 78% (1.81 mm/hr) | 100% | 89% | 748 mm Hg | WNW 286° 5.19 (14.22) m/s | 0 |
| 01:00 | Light rain | 14 °C | 84% (2.34 mm/hr) | 100% | 94% | 749 mm Hg | SW 224° 3 (7.72) m/s | 0 |
| 02:00 |  Moderate rain | 14 °C | 88% (3.67 mm/hr) | 100% | 95% | 749 mm Hg | WSW 258° 5.81 (13.11) m/s | 0 |
| 03:00 |  Patchy rain possible | 12 °C | 29% (0.03 mm/hr) | 91% | 87% | 749 mm Hg | WNW 283° 6.89 (12.92) m/s | 0 |
| 04:00 | Light rain | 11 °C | 68% (0.79 mm/hr) | 100% | 88% | 750 mm Hg | WNW 293° 7.5 (11.69) m/s | 0 |
| 05:00 | Patchy rain possible | 9 °C | 26% (0.01 mm/hr) | 99% | 83% | 752 mm Hg | WNW 300° 8.69 (13.11) m/s | 0 |
| 06:00 | Patchy rain possible | 7 °C | 19% (0.01 mm/hr) | 81% | 77% | 753 mm Hg | NW 309° 8.81 (15.61) m/s | 0 |
| 07:00 |  Cloudy | 7 °C | 15% | 81% | 69% | 755 mm Hg | NW 310° 8.81 (16.14) m/s | 0 |
| 08:00 |  Cloudy | 7 °C | 9% | 64% | 60% | 755 mm Hg | NW 315° 8.5 (15.97) m/s | 0.1 |
| 09:00 |  Patchy rain possible | 8 °C | 14% (0.01 mm/hr) | 89% | 61% | 757 mm Hg | NW 308° 8.19 (14.14) m/s | 0.6 |
| 10:00 |  Partly cloudy | 8 °C | 6% | 42% | 54% | 758 mm Hg | NW 307° 8.19 (14.22) m/s | 1.4 |
| 11:00 | Cloudy | 8 °C | 7% | 67% | 48% | 759 mm Hg | NW 308° 8.61 (14) m/s | 2.3 |
| 12:00 | Sunny | 9 °C | 2% | 8% | 43% | 760 mm Hg | NW 309° 9.11 (14.36) m/s | 3 |
| 13:00 | Sunny | 9 °C | 1% | 5% | 39% | 761 mm Hg | NW 313° 9.19 (14.39) m/s | 3.1 |
| 14:00 | Sunny | 8 °C | 1% | 5% | 35% | 761 mm Hg | NW 315° 9.31 (14.14) m/s | 2.6 |
| 15:00 | Sunny | 8 °C | 1% | 1% | 36% | 762 mm Hg | NW 309° 8.89 (14.83) m/s | 1.8 |
| 16:00 | Sunny | 8 °C | 1% | 1% | 37% | 764 mm Hg | NW 311° 8.39 (15.19) m/s | 0.9 |
| 17:00 | Sunny | 7 °C | 1% | 1% | 39% | 764 mm Hg | NW 316° 7.81 (15.42) m/s | 0.3 |
| 18:00 |  Clear | 6 °C | 1% | 3% | 41% | 765 mm Hg | NW 316° 7 (14.72) m/s | 0 |
| 19:00 | Clear | 6 °C | 1% | 0% | 42% | 767 mm Hg | NW 309° 6.69 (14.42) m/s | 0 |
| 20:00 | Clear | 5 °C | 1% | 0% | 43% | 768 mm Hg | NW 304° 6.39 (14.11) m/s | 0 |
| 21:00 | Clear | 5 °C | 1% | 0% | 43% | 769 mm Hg | WNW 299° 6 (13.89) m/s | 0 |
| 22:00 | Clear | 4 °C | 1% | 0% | 45% | 770 mm Hg | WNW 293° 5.31 (14.11) m/s | 0 |
| 23:00 | Clear | 4 °C | 2% | 0% | 46% | 770 mm Hg | WNW 282° 4.61 (12.42) m/s | 0 |
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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.