Belmont, MA Weather Forecast
Local 7-day forecast
Areas Of Smoke then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Belmont, MA in one place.
Areas of smoke before 2pm, then areas of smoke and a chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 83, with temperatures falling to around 76 in the afternoon. South wind 1 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Belmont, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 8:06 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Belmont, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 8:06 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Belmont
Wednesday looks like the warmest upcoming period in Belmont at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Saturday at about 1 to 16 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:06 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 70. Southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
A slight chance of rain showers before 7am. Sunny, with a high near 80. West wind around 10 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 60. Northwest wind 1 to 9 mph.
Sunny, with a high near 83. West wind 1 to 7 mph.
Partly cloudy, with a low around 63. South wind 2 to 7 mph.
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 83. South wind 2 to 13 mph.
Showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 7 to 10 mph. Chance of precipitation is 80%.
Rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. West wind 3 to 9 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 84. Northwest wind around 6 mph.
Partly cloudy, with a low around 62. West wind 1 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Areas Of Smoke then Chance Showers And Thunderstorms
|
83°F |
1 to 16 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
70°F |
8 to 14 mph
SW
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers then Sunny
|
80°F |
10 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
60°F |
1 to 9 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
83°F |
1 to 7 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
63°F |
2 to 7 mph
S
|
|
Tuesday
Jul 21
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
2 to 13 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
67°F |
7 to 10 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers
|
85°F |
10 mph
SW
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
64°F |
3 to 9 mph
W
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers then Mostly Sunny
|
84°F |
6 mph
NW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
62°F |
1 to 6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belmont.
