5-day weather forecast Boston 20-04-2026

Weather forecast Boston today 20.04.2026: overcast, temperature from 1 °C to 9 °C.

No precipitation expected. Wind up to 5 m/s (gusts 6.69 m/s). Air humidity 44–86%, atmospheric pressure 761–769 mm Hg, UV index up to 4.2.

Sunrise 05:55
Sunset 19:32
Waxing Crescent9% illuminated
Moonrise 07:38 · Moonset below the horizon
Chart
Table
Mon, Apr 20, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
2 °C0% 0%81%761 mm HgWNW 285° 4.19 (6.42) m/s0
01:00Weather
Clear
1 °C0% 0%86%761 mm HgWNW 284° 3.69 (5.72) m/s0
02:00Weather
Clear
1 °C0% 0%86%762 mm HgW 280° 3.89 (5.97) m/s0
03:00Weather
Clear
1 °C0% 0%82%762 mm HgW 277° 3 (4.67) m/s0
04:00Weather
Clear
1 °C0% 0%83%763 mm HgW 261° 3 (4.78) m/s0
05:00Weather
Clear
0 °C0% 0%83%764 mm HgW 265° 3.31 (5.39) m/s0
06:00Weather
Sunny
1 °C0% 0%83%764 mm HgWSW 257° 3.31 (5.5) m/s0
07:00Weather
Sunny
2 °C0% 0%84%764 mm HgW 264° 3.39 (5.03) m/s0.2
08:00Weather
Sunny
4 °C0% 0%75%765 mm HgW 276° 4.11 (5.08) m/s0.8
09:00Weather
Sunny
5 °C0% 0%67%765 mm HgWNW 282° 4.19 (4.83) m/s1.6
10:00Weather
Partly cloudy
6 °C0% 31%67%765 mm HgWNW 285° 4 (4.61) m/s2.4
11:00Weather
Partly cloudy
9 °C0% 50%44%765 mm HgW 277° 3.89 (4.5) m/s3.6
12:00Weather
Overcast
7 °C0% 100%58%765 mm HgW 275° 4.11 (4.72) m/s3.4
13:00Weather
Overcast
7 °C0% 100%57%765 mm HgW 275° 4.31 (4.94) m/s4.2
14:00Weather
Overcast
8 °C0% 100%52%764 mm HgW 274° 4.61 (5.28) m/s3.2
15:00Weather
Overcast
8 °C0% 99%47%764 mm HgW 275° 5 (5.75) m/s2.1
16:00Weather
Overcast
8 °C0% 100%46%764 mm HgW 275° 4.89 (5.64) m/s1.2
17:00Weather
Overcast
8 °C0% 100%49%764 mm HgWNW 284° 4.61 (5.39) m/s0.8
18:00Weather
Overcast
7 °C0% 100%48%765 mm HgNW 306° 4.11 (5.22) m/s0.3
19:00Weather
Overcast
6 °C0% 100%60%766 mm HgNNW 335° 4.81 (6.39) m/s0
20:00Weather
Overcast
5 °C0% 92%67%767 mm HgNNW 347° 5 (6.69) m/s0
21:00Weather
Overcast
4 °C0% 89%67%768 mm HgNNW 348° 4.69 (6.39) m/s0
22:00Weather
Cloudy
4 °C0% 76%69%768 mm HgN 359° 4.69 (6.42) m/s0
23:00Weather
Overcast
3 °C0% 94%70%769 mm HgNNE 12° 4.39 (5.92) m/s0
Mon, Apr 20, 2026

Frequently asked questions about the weather in Boston

Today in Boston the temperature ranges from 1 °C to 9 °C, wind up to 5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Boston today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Boston today reaches up to 5 m/s with gusts up to 6.69 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Boston today ranges from 44% to 86%. View the humidity chart above for hourly details.

The UV index in Boston today reaches up to 4.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Boston today ranges from 761 to 769 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Boston today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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.