Boston, MA 14-Day Forecast
Massachusetts, United States 🇺🇸
66°
Overcast right now
Today: high 83°, low 64°
Updated 13 min ago
Boston weather for the next 14 days
Friday, August 28
Light rain shower High 85° Low 68°Precipitation
72%
· 0.19 in
Max wind
10 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
06:05 AM / 07:25 PM
Saturday, August 29
Overcast High 74° Low 64°Precipitation
12%
· 0.0 in
Max wind
8 mph
Humidity
58%
UV index
5 - Moderate
Sunrise / sunset
06:06 AM / 07:23 PM
Sunday, August 30
Overcast High 86° Low 62°Precipitation
57%
· 0.07 in
Max wind
13 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
06:07 AM / 07:22 PM
Monday, August 31
Overcast High 78° Low 65°Precipitation
80%
· 0.15 in
Max wind
10 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
06:08 AM / 07:20 PM
Tuesday, September 1
Overcast High 85° Low 67°Precipitation
42%
· 0.02 in
Max wind
7 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
06:09 AM / 07:18 PM
Wednesday, September 2
Mist High 70° Low 64°Precipitation
81%
· 0.07 in
Max wind
6 mph
Humidity
95%
UV index
4 - Moderate
Sunrise / sunset
06:10 AM / 07:17 PM
Thursday, September 3
Light rain shower High 66° Low 60°Precipitation
83%
· 0.13 in
Max wind
12 mph
Humidity
87%
UV index
4 - Moderate
Sunrise / sunset
06:11 AM / 07:15 PM
Friday, September 4
Patchy rain nearby High 65° Low 55°Precipitation
17%
· 0.0 in
Max wind
14 mph
Humidity
76%
UV index
5 - Moderate
Sunrise / sunset
06:12 AM / 07:13 PM
Saturday, September 5
Sunny High 70° Low 57°Precipitation
6%
· 0.0 in
Max wind
8 mph
Humidity
68%
UV index
6 - High
Sunrise / sunset
06:13 AM / 07:12 PM
Sunday, September 6
Sunny High 71° Low 57°Precipitation
8%
· 0.0 in
Max wind
9 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
06:14 AM / 07:10 PM
Monday, September 7
Overcast High 69° Low 60°Precipitation
57%
· 0.03 in
Max wind
11 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
06:15 AM / 07:08 PM
Tuesday, September 8
Patchy rain nearby High 73° Low 59°Precipitation
78%
· 0.13 in
Max wind
8 mph
Humidity
88%
UV index
5 - Moderate
Sunrise / sunset
06:16 AM / 07:06 PM
Wednesday, September 9
Overcast High 69° Low 62°Precipitation
91%
· 2.39 in
Max wind
12 mph
Humidity
88%
UV index
5 - Moderate
Sunrise / sunset
06:18 AM / 07:05 PM
Boston 14-day outlook: the story
The warmest day of Boston's 14-day outlook is Sunday, August 30 with a high near 86°F (30°C); the coolest night comes Friday, September 4, dipping to 55°F (13°C). The trend points cooler: week two runs about 11°F below week one. Highs over the next two weeks average 80°F (27°C), right in line with the typical August high of 82°F (28°C).
Precipitation is most likely on Friday 28, Sunday 30, Monday 31, Wednesday 2 and beyond; the wettest day looks like Wednesday, September 9 with about 2.39 in (60.6 mm) expected. For the weekend, expect Saturday 74°F (23°C) and overcast / Sunday 86°F (30°C) and overcast.
For typical conditions month by month, see the Boston climate & average temperatures guide.
Boston forecast questions
Will it rain in Boston this week?
The forecast currently shows meaningful precipitation chances on 8 of the next 14 days, peaking around Wednesday, September 9.
What will be the warmest day in Boston over the next 14 days?
Sunday, August 30, with a forecast high near 86°F (30°C).
How accurate is a 14-day forecast for Boston?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Boston by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 37° | 23° | 10 | 4.2 in | 6.0 h/day | 67% |
| February | 40° | 22° | 10 | 3.5 in | 6.7 h/day | 69% |
| March | 46° | 29° | 12 | 4.3 in | 7.9 h/day | 67% |
| April | 56° | 39° | 12 | 4.2 in | 8.4 h/day | 69% |
| May | 67° | 49° | 11 | 3.1 in | 10.2 h/day | 70% |
| June | 77° | 59° | 11 | 3.4 in | 11.2 h/day | 71% |
| July | 83° | 66° | 12 | 4.3 in | 11.4 h/day | 72% |
| August | 82° | 65° | 11 | 2.9 in | 10.9 h/day | 73% |
| September | 74° | 59° | 9 | 4.3 in | 8.9 h/day | 75% |
| October | 63° | 48° | 10 | 4.7 in | 7.5 h/day | 76% |
| November | 51° | 36° | 8 | 3.3 in | 6.6 h/day | 71% |
| December | 42° | 28° | 11 | 4.7 in | 5.7 h/day | 73% |