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Weather in Belmont, United States 🇺🇸

Weather Forecast in Belmont

Current Weather in Belmont

Small Craft Advisory issued July 18 at 1:36AM EDT until July 19 at 12:00PM EDT by NWS Boston/Norton MA
Mist
21°C
Feels like 21°C. Mist.
🌬️ 23 km/h SSW
💧 90% Humidity
🧭 1007 hPa
👁️ 4.0 km Visibility
☀️ UV Index: 0.2
🌡️ Dew Point: 19°C
🌅 Sunrise: 05:23 AM
🌇 Sunset: 08:18 PM
Map Overlays:

In Belmont right now it is 21°C and mist, feeling like 21°C. Humidity is 90% with winds around 23 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Belmont range from about 14°C to 32°C. ⚠️ Small Craft Advisory issued July 18 at 1:36AM EDT until July 19 at 12:00PM EDT by NWS Boston/Norton MA

Hourly Forecast for Belmont

19:00
Patchy light rain
23°
72%
20:00
Moderate rain
22°
85%
21:00
Patchy rain nearby
22°
34%
22:00
Moderate rain at times
23°
60%
23:00
Patchy rain nearby
21°
24%
00:00
Patchy rain nearby
21°
26%
01:00
Clear
20°
10%
02:00
Clear
20°
11%
03:00
Clear
20°
12%
04:00
Clear
20°
12%
05:00
Clear
20°
12%
06:00
Sunny
20°
13%
07:00
Cloudy
20°
23%
08:00
Sunny
21°
5%
09:00
Sunny
22°
3%
10:00
Sunny
22°
2%
11:00
Sunny
23°
1%
12:00
Sunny
24°
1%
13:00
Sunny
25°
1%
14:00
Sunny
26°
1%
15:00
Sunny
27°
1%
16:00
Sunny
27°
1%
17:00
Sunny
27°
1%
18:00
Sunny
26°
1%

14-Day Forecast for Belmont

Sat, Jul 18
Smoky haze Smoky haze
32° / 15°
Sun, Jul 19
Sunny Sunny
27° / 17°
Mon, Jul 20
Sunny Sunny
30° / 14°
Tue, Jul 21
Sunny Sunny
27° / 17°
Wed, Jul 22
Light rain shower Light rain shower
28° / 19°
Thu, Jul 23
Sunny Sunny
26° / 14°
Fri, Jul 24
Sunny Sunny
26° / 14°
Sat, Jul 25
Partly Cloudy Partly Cloudy
25° / 13°
Sun, Jul 26
Partly Cloudy Partly Cloudy
24° / 17°
Mon, Jul 27
Sunny Sunny
29° / 16°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
18° / 16°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
18° / 17°
Thu, Jul 30
Light rain shower Light rain shower
20° / 18°
Fri, Jul 31
Light rain shower Light rain shower
19° / 17°

Additional Forecasts for Belmont

Air Quality

💨 US EPA Index 3 (Unhealthy for Sensitive)
CO (Carbon Monoxide) 157.0 μg/m³
O₃ (Ozone) 112.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.9 μg/m³
SO₂ (Sulphur Dioxide) 1.0 μg/m³
PM2.5 (Fine particles) 57.6 μg/m³
PM10 (Coarse particles) 59.0 μg/m³

Historical Weather

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Best Time to Be Outside in Belmont Tomorrow

There is no good daylight window left in Belmont today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 19:00.

Frequently Asked Questions about Weather in Belmont

What is the temperature in Belmont right now?

The current temperature in Belmont is 21°C (70°F), mist (feels like 21°C).

What's the weather like in Belmont right now?

Conditions in Belmont right now: Mist, humidity 90%, wind 23 km/h SSW.

What is today's forecast for Belmont?

Today in Belmont: high 32°C, low 15°C, smoky haze. Chance of rain: 64%.

What is the 7-day weather forecast for Belmont?

Daily highs and lows for Belmont:

  • 2026-07-18: 32°C / 15°C
  • 2026-07-19: 27°C / 17°C
  • 2026-07-20: 30°C / 14°C
  • 2026-07-21: 27°C / 17°C
  • 2026-07-22: 28°C / 19°C
  • 2026-07-23: 26°C / 14°C
  • 2026-07-24: 26°C / 14°C
Is it going to rain in Belmont today?

There is a 64% chance of rain in Belmont today. Total expected precipitation: 9.15 mm.

What is the wind speed in Belmont right now?

Wind in Belmont is currently 23 km/h (15 mph) from the SSW.

What is the UV index in Belmont right now?

The UV index in Belmont is currently 0.2 (low). Sun protection is recommended when the index is 3 or higher.

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