5-day weather forecast Boston 03-09-2026
Weather forecast Boston today 03.09.2026: light rain, temperature from 16 °C to 24 °C.
Precipitation probability 87%. Wind up to 4.39 m/s (gusts 12.72 m/s). Air humidity 88–98%, atmospheric pressure 758–765 mm Hg, UV index up to 6.3.
5 days at a glance — tap a day to open it
Sunrise 06:11
Sunset 19:15
Sunset 19:15
Last Quarter50% illuminated
Moonrise 22:10 · Moonset 13:16
Moonrise 22:10 · Moonset 13:16
Chart
Table
Thu, Sep 3, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 17 °C | 29% | 100% | 89% | 765 mm Hg | SSE 161° 2.61 (5.81) m/s | 0 |
| 01:00 |  Cloudy | 17 °C | 24% | 73% | 90% | 764 mm Hg | S 174° 3.39 (8.53) m/s | 0 |
| 02:00 | Overcast | 16 °C | 35% | 100% | 91% | 764 mm Hg | SSE 165° 3.81 (9.81) m/s | 0 |
| 03:00 | Overcast | 17 °C | 30% | 100% | 90% | 763 mm Hg | S 170° 3.31 (10.03) m/s | 0 |
| 04:00 | Overcast | 18 °C | 34% | 100% | 89% | 762 mm Hg | S 173° 3.61 (11.03) m/s | 0 |
| 05:00 |  Light drizzle | 18 °C | 74% (0.71 mm/hr) | 100% | 94% | 762 mm Hg | S 179° 4.19 (12.53) m/s | 0 |
| 06:00 |  Light rain | 18 °C | 77% (1.16 mm/hr) | 100% | 94% | 761 mm Hg | S 183° 4.39 (12.72) m/s | 0 |
| 07:00 |  Light rain | 18 °C | 84% (2.32 mm/hr) | 100% | 96% | 761 mm Hg | S 186° 4.39 (12.5) m/s | 0 |
| 08:00 | Light rain | 18 °C | 84% (2.47 mm/hr) | 100% | 95% | 761 mm Hg | S 190° 4.39 (11.89) m/s | 0.1 |
| 09:00 | Light rain | 19 °C | 84% (2.48 mm/hr) | 100% | 94% | 761 mm Hg | SSW 192° 4.19 (11.64) m/s | 0.2 |
| 10:00 | Light rain | 20 °C | 83% (2.48 mm/hr) | 100% | 93% | 761 mm Hg | SSW 195° 4 (11) m/s | 0.9 |
| 11:00 | Light rain | 22 °C | 82% (2.48 mm/hr) | 100% | 90% | 761 mm Hg | SSW 204° 4 (10.81) m/s | 1.6 |
| 12:00 |  Moderate rain | 22 °C | 87% (5.41 mm/hr) | 100% | 88% | 760 mm Hg | SSW 212° 3.69 (9.03) m/s | 3.9 |
| 13:00 |  Mist | 22 °C | 40% (0.03 mm/hr) | 93% | 97% | 760 mm Hg | SW 219° 3.11 (7.22) m/s | 6.3 |
| 14:00 |  Light rain shower | 24 °C | 50% (0.36 mm/hr) | 93% | 88% | 759 mm Hg | W 260° 2.31 (5.39) m/s | 5.6 |
| 15:00 |  Patchy rain possible | 24 °C | 73% (1.52 mm/hr) | 83% | 90% | 758 mm Hg | W 270° 2.5 (5.11) m/s | 4 |
| 16:00 |  Moderate rain at times | 24 °C | 61% (0.63 mm/hr) | 88% | 89% | 758 mm Hg | W 264° 2.69 (5.42) m/s | 1.5 |
| 17:00 | Light rain shower | 24 °C | 45% (0.4 mm/hr) | 65% | 88% | 758 mm Hg | W 277° 2.5 (5.42) m/s | 0.5 |
| 18:00 | Light rain shower | 23 °C | 63% (0.52 mm/hr) | 100% | 91% | 758 mm Hg | WNW 289° 2 (4.42) m/s | 0.2 |
| 19:00 |  Overcast | 22 °C | 31% | 100% | 92% | 758 mm Hg | WNW 298° 0.61 (0.72) m/s | 0 |
| 20:00 |  Mist | 22 °C | 20% | 8% | 95% | 758 mm Hg | ENE 76° 1.5 (1.5) m/s | 0 |
| 21:00 | Mist | 21 °C | 21% | 15% | 97% | 758 mm Hg | ESE 122° 1.11 (1.22) m/s | 0 |
| 22:00 |  Fog | 21 °C | 42% | 100% | 97% | 758 mm Hg | ENE 75° 0.5 (0.53) m/s | 0 |
| 23:00 | Fog | 20 °C | 43% | 100% | 98% | 758 mm Hg | NNE 31° 1.19 (1.39) m/s | 0 |
Thu, Sep 3, 2026
Frequently asked questions about the 5-day weather in Boston
What will the weather be like in Boston over the next 5 days?
Over the next 5 days in Boston the temperature is expected to range from about 14 to 28 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Boston?
The chance of rain in Boston over the next 5 days reaches 87%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Boston?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Boston will be the warmest and which the coolest?
Over the next 5 days the temperature in Boston ranges from about 14 to 28 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Boston over the next 5 days?
Over the next 5 days the wind in Boston picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Boston is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 87%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Boston?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
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.