5-day weather forecast Boston 05-09-2026
Weather forecast Boston Saturday, September 5 05.09.2026: sunny, temperature from 16 °C to 21 °C.
Precipitation probability 18%. Wind up to 7.11 m/s (gusts 9.92 m/s). Air humidity 60–76%, atmospheric pressure 756–761 mm Hg, UV index up to 3.4.
5 days at a glance — tap a day to open it
Sunrise 06:13
Sunset 19:12
Sunset 19:12
Waning Crescent29% illuminated
Moonrise does not rise today · Moonset 15:30
Moonrise does not rise today · Moonset 15:30
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Cloudy | 21 °C | 12% | 79% | 63% | 756 mm Hg | NW 324° 3.89 (9.83) m/s | 0 |
| 01:00 | Cloudy | 20 °C | 9% | 67% | 60% | 756 mm Hg | NW 322° 4.11 (9.53) m/s | 0 |
| 02:00 |  Clear | 19 °C | 4% | 9% | 62% | 756 mm Hg | NW 320° 4 (9.31) m/s | 0 |
| 03:00 | Clear | 18 °C | 5% | 0% | 66% | 756 mm Hg | NW 318° 3.89 (9.22) m/s | 0 |
| 04:00 | Clear | 18 °C | 5% | 0% | 69% | 756 mm Hg | NW 322° 4 (9.22) m/s | 0 |
| 05:00 | Clear | 17 °C | 6% | 0% | 71% | 756 mm Hg | NNW 327° 3.89 (8.72) m/s | 0 |
| 06:00 | Clear | 17 °C | 7% | 0% | 74% | 756 mm Hg | NNW 334° 4.11 (8.72) m/s | 0 |
| 07:00 |  Sunny | 17 °C | 8% | 4% | 75% | 757 mm Hg | NNW 348° 4 (8.72) m/s | 0.1 |
| 08:00 |  Patchy rain possible | 18 °C | 16% (0.01 mm/hr) | 77% | 72% | 758 mm Hg | N 2° 4.5 (9.31) m/s | 0.7 |
| 09:00 |  Overcast | 18 °C | 18% | 94% | 71% | 758 mm Hg | N 10° 4.5 (9.39) m/s | 1.8 |
| 10:00 | Patchy rain possible | 18 °C | 18% (0.01 mm/hr) | 90% | 71% | 758 mm Hg | N 10° 4.5 (9.19) m/s | 3.2 |
| 11:00 | Patchy rain possible | 19 °C | 16% (0.01 mm/hr) | 80% | 70% | 758 mm Hg | NNE 21° 5.31 (8.83) m/s | 3.4 |
| 12:00 | Patchy rain possible | 19 °C | 17% (0.04 mm/hr) | 76% | 72% | 758 mm Hg | NE 34° 6.39 (9.81) m/s | 3.4 |
| 13:00 | Patchy rain possible | 20 °C | 12% (0.03 mm/hr) | 58% | 68% | 758 mm Hg | NE 43° 7.11 (9.72) m/s | 2.4 |
| 14:00 | Patchy rain possible | 19 °C | 15% (0.03 mm/hr) | 71% | 70% | 759 mm Hg | NE 40° 7.11 (9.92) m/s | 1.8 |
| 15:00 | Patchy rain possible | 19 °C | 16% (0.02 mm/hr) | 80% | 70% | 759 mm Hg | NE 45° 6.81 (9.89) m/s | 1.1 |
| 16:00 | Sunny | 19 °C | 7% | 24% | 67% | 759 mm Hg | NE 54° 5.69 (9.22) m/s | 0.8 |
| 17:00 | Overcast | 18 °C | 16% | 93% | 68% | 760 mm Hg | NE 49° 5.5 (8.83) m/s | 0.7 |
| 18:00 | Overcast | 18 °C | 17% | 93% | 69% | 760 mm Hg | NE 48° 4 (9.61) m/s | 0.2 |
| 19:00 |  Partly cloudy | 18 °C | 9% | 43% | 68% | 761 mm Hg | NE 51° 3 (6.81) m/s | 0 |
| 20:00 | Clear | 17 °C | 6% | 1% | 71% | 761 mm Hg | NNE 20° 1.81 (3.19) m/s | 0 |
| 21:00 | Clear | 17 °C | 7% | 0% | 74% | 761 mm Hg | NW 323° 1.5 (2.03) m/s | 0 |
| 22:00 | Clear | 16 °C | 7% | 0% | 75% | 761 mm Hg | WNW 301° 2.31 (3.92) m/s | 0 |
| 23:00 | Clear | 16 °C | 8% | 0% | 76% | 761 mm Hg | NW 319° 2.61 (5.81) 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.