5-day weather forecast Boston 16-08-2026

Weather forecast Boston Sunday, August 16 16.08.2026: sunny, temperature from 15 °C to 27 °C.

Precipitation probability 78%. Wind up to 5.39 m/s (gusts 7 m/s). Air humidity 44–97%, atmospheric pressure 759–766 mm Hg, UV index up to 6.6.

Sunrise 05:52
Sunset 19:44
Waxing Crescent18% illuminated
Moonrise 10:21 · Moonset 21:26
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
17 °C6% 7%69%766 mm HgSSW 210° 2.5 (4.81) m/s0
01:00Weather
Clear
17 °C7% 6%73%766 mm HgSSW 213° 2.5 (5) m/s0
02:00Weather
Clear
16 °C8% 8%76%765 mm HgSW 218° 2.31 (4.72) m/s0
03:00Weather
Clear
16 °C9% 6%78%765 mm HgSW 225° 2.5 (5.08) m/s0
04:00Weather
Clear
16 °C10% 6%80%765 mm HgSW 225° 2.19 (4.61) m/s0
05:00Weather
Clear
15 °C10% 4%82%764 mm HgSW 217° 2.19 (4.61) m/s0
06:00Weather
Sunny
15 °C11% 4%83%764 mm HgSW 218° 2.11 (4.42) m/s0
07:00Weather
Sunny
17 °C8% 5%77%764 mm HgSSW 213° 2.11 (3.58) m/s0.3
08:00Weather
Sunny
20 °C5% 6%66%764 mm HgSSW 213° 2.81 (3.44) m/s1.1
09:00Weather
Sunny
23 °C3% 10%57%764 mm HgSSW 207° 2.81 (3.22) m/s2.5
10:00Weather
Sunny
25 °C3% 22%50%764 mm HgSSW 206° 3 (3.44) m/s4.4
11:00Weather
Partly cloudy
26 °C4% 48%44%763 mm HgSSW 194° 3 (3.44) m/s6.2
12:00Weather
Partly cloudy
27 °C3% 40%44%762 mm HgSSW 195° 3.61 (4.14) m/s6.6
13:00Weather
Partly cloudy
26 °C5% 54%48%762 mm HgSSW 203° 4.19 (4.97) m/s4
14:00Weather
Patchy rain possible
24 °C7% (0.01 mm/hr)58%56%762 mm HgSSW 210° 5.39 (7) m/s1.3
15:00Weather
Patchy rain possible
22 °C18% (0.02 mm/hr)100%67%762 mm HgSSW 207° 5.19 (6.78) m/s0.7
16:00Weather
Patchy rain possible
20 °C28% (0.07 mm/hr)100%77%761 mm HgSSW 193° 4.61 (6.33) m/s0.4
17:00Weather
Patchy rain possible
20 °C31% (0.07 mm/hr)100%81%761 mm HgS 180° 4 (5.61) m/s0.2
18:00Weather
Light drizzle
20 °C45% (0.31 mm/hr)79%82%761 mm HgS 187° 4.5 (6.25) m/s0.1
19:00Weather
Light rain
18 °C77% (1.64 mm/hr)100%89%760 mm HgS 188° 4.81 (6.83) m/s0
20:00Weather
Light rain
17 °C78% (1.27 mm/hr)100%95%760 mm HgS 169° 4.11 (6.06) m/s0
21:00Weather
Light drizzle
17 °C75% (0.68 mm/hr)100%96%760 mm HgSSE 158° 4 (5.89) m/s0
22:00Weather
Light rain
18 °C73% (0.78 mm/hr)100%97%759 mm HgSSE 152° 4 (5.86) m/s0
23:00Weather
Light drizzle
18 °C73% (0.59 mm/hr)100%97%759 mm HgSSE 159° 3.61 (5.36) m/s0

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.