Weather Forecast for Boston
Massachusetts, United States of America
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Current Weather - Boston: 29°C
Current Weather - Boston: 29°C
Massachusetts, United States of America
Sunny
Feels like 31°C
Wind
5 km/h SSW
Humidity
66%
Pressure
1004 mb
UV Index
7
Visibility
16 km
Sunny
Friday, June 12, 2026
High
35°C
Low
21°C
Rain Chance
7%
Hourly Forecast
28°C
25°C
23°C
22°C
22°C
22°C
23°C
Day Statistics
Maximum Wind
11 km/h
Humidity
73%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:21 PM
Moonrise
02:31 AM
Moonset
05:41 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
8.9
μg/m³
PM10
9.4
μg/m³
NO₂
13.5
μg/m³
O₃
93.3
μg/m³
SO₂
1
μg/m³
CO
185.8
μg/m³
Sunny
Saturday, June 13, 2026
High
31°C
Low
20°C
Rain Chance
2%
Hourly Forecast
23°C
24°C
23°C
22°C
21°C
21°C
21°C
22°C
23°C
25°C
26°C
28°C
29°C
29°C
30°C
30°C
30°C
30°C
29°C
26°C
25°C
24°C
23°C
22°C
Day Statistics
Maximum Wind
18 km/h
Humidity
48%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:21 PM
Moonrise
03:05 AM
Moonset
06:59 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
4.5
μg/m³
PM10
5.1
μg/m³
NO₂
7.2
μg/m³
O₃
87
μg/m³
SO₂
0.5
μg/m³
CO
146.1
μg/m³
Sunny
Sunday, June 14, 2026
High
31°C
Low
18°C
Rain Chance
3%
Hourly Forecast
21°C
20°C
19°C
19°C
18°C
18°C
19°C
21°C
24°C
26°C
28°C
29°C
30°C
31°C
31°C
30°C
29°C
28°C
26°C
24°C
23°C
22°C
21°C
21°C
Day Statistics
Maximum Wind
23 km/h
Humidity
52%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:22 PM
Moonrise
03:49 AM
Moonset
08:14 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
6
μg/m³
PM10
6.5
μg/m³
NO₂
7.9
μg/m³
O₃
97.2
μg/m³
SO₂
0.9
μg/m³
CO
150.9
μg/m³
Patchy rain nearby
Monday, June 15, 2026
High
26°C
Low
17°C
Rain Chance
17%
Hourly Forecast
21°C
20°C
20°C
19°C
19°C
18°C
18°C
18°C
19°C
21°C
22°C
23°C
25°C
25°C
26°C
25°C
25°C
25°C
24°C
23°C
21°C
20°C
19°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
51%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:22 PM
Moonrise
04:47 AM
Moonset
09:19 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
3.9
μg/m³
PM10
4.6
μg/m³
NO₂
4.7
μg/m³
O₃
86.7
μg/m³
SO₂
0.6
μg/m³
CO
128.9
μg/m³
Partly Cloudy
Tuesday, June 16, 2026
High
22°C
Low
13°C
Rain Chance
5%
Hourly Forecast
16°C
15°C
15°C
14°C
14°C
14°C
15°C
17°C
18°C
19°C
20°C
21°C
22°C
22°C
22°C
22°C
21°C
20°C
19°C
19°C
18°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
13 km/h
Humidity
54%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:23 PM
Moonrise
05:59 AM
Moonset
10:12 PM
Moon Phase
Waxing Crescent
Moon Illumination
6%
Air Quality
PM2.5
2
μg/m³
PM10
2
μg/m³
NO₂
5.9
μg/m³
O₃
45.4
μg/m³
SO₂
0.5
μg/m³
CO
134.7
μg/m³
Sunny
Wednesday, June 17, 2026
High
27°C
Low
12°C
Rain Chance
4%
Hourly Forecast
14°C
14°C
13°C
13°C
13°C
14°C
16°C
18°C
20°C
22°C
23°C
24°C
25°C
26°C
27°C
26°C
26°C
25°C
24°C
22°C
21°C
20°C
18°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
61%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
05:06 AM
Sunset
08:23 PM
Moonrise
07:19 AM
Moonset
10:53 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Patchy rain nearby
Thursday, June 18, 2026
High
20°C
Low
13°C
Rain Chance
67%
Hourly Forecast
16°C
15°C
14°C
14°C
14°C
14°C
16°C
17°C
18°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
20°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
21 km/h
Humidity
93%
Precipitation
1 mm
UV Index
4
Visibility
8 km
Rain Chance
67%
Snow Chance
0%
Sun & Moon
Sunrise
05:07 AM
Sunset
08:23 PM
Moonrise
08:41 AM
Moonset
11:25 PM
Moon Phase
Waxing Crescent
Moon Illumination
19%
Solar Radiation Data
Shortwave Radiation
668.4
Diffuse Radiation
80.44
DNI
709.58
GTI
415.29
Weather Alerts
Air Quality Alert issued June 12 at 2:48AM EDT by NWS Boston/Norton MA
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM this morning to 11 PM EDT this evening. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast
Heat Advisory issued June 12 at 2:44AM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Heat index values up to 96. * WHERE...Portions of central, eastern, northeastern, and southeastern Massachusetts and northern Rhode Island. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued June 12 at 2:29AM EDT until June 12 at 8:00PM EDT by NWS Gray ME
* WHAT...Heat index values of 95 to 100 expected. * WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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