As of 13:48 EDT

Belmont, MA weather in August

90°

Belmont, Sunday, 9 August, 13:48

Clear. Feels like 97°. High 90°, low 69°.

Pressure29.88 inHg

Wind8 mph NW

Humidity56%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In August, Belmont, MA averages a high of 79.8° and a low of 63.8°. About 3.5 inches of precipitation fall over the month (10 wet days). The record high is 100° (1975) and the record low 46.2° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.7°	65.3°	37%	95.4° (1975)	54.7° (1964)
2	83.3°	65.8°	32%	100° (1975)	54.3° (2023)
3	83.5°	66.7°	38%	93.7° (2007)	54.7° (1976)
4	82°	66.9°	47%	98.6° (2022)	55.8° (1964)
5	81.5°	65.7°	28%	98.1° (2022)	54° (1972)
6	80.1°	64.4°	38%	93.7° (2018)	55.4° (1972)
7	79.9°	64°	37%	93.7° (2022)	55.2° (1964)
8	81.3°	64.9°	35%	94.5° (2022)	55.2° (2024)
9	81.5°	65.3°	35%	97° (2001)	56.3° (1989)
10	81.3°	65.5°	38%	94.1° (2020)	50.9° (1964)
11	79.7°	64.9°	33%	93° (2025)	52.9° (1972)
12	79.3°	64.6°	35%	95.4° (2016)	55.4° (1968)
13	79.5°	64.2°	33%	96.1° (2002)	55.2° (1979)
14	81°	64.2°	32%	96.6° (2002)	53.6° (1964)
15	79.2°	64.2°	40%	94.8° (1988)	52.7° (1964)
16	80.4°	63.7°	30%	92.5° (1965)	52.5° (1972)
17	80.8°	65.1°	32%	94.1° (1987)	54.9° (1979)
18	79.7°	64°	35%	93.4° (2009)	54.9° (1979)
19	78.4°	62.8°	25%	93.6° (2019)	54° (1963)
20	78.3°	62.4°	33%	91.6° (1983)	54.3° (1964)
21	78.6°	61.9°	28%	93° (1995)	52.9° (1977)
22	77.9°	61.9°	37%	90° (1976)	50.2° (1982)
23	77.5°	61.7°	30%	89.6° (1996)	50.9° (1988)
24	77.5°	61.5°	23%	91.9° (2020)	51.4° (1971)
25	78.1°	61.7°	25%	94.5° (2007)	52.2° (1971)
26	79.5°	61.9°	17%	93.9° (2021)	51.1° (1981)
27	79.2°	63°	35%	95.7° (1993)	51.6° (1989)
28	78.4°	63.3°	30%	94.5° (1993)	53.1° (1986)
29	77.2°	62.6°	30%	94.3° (2018)	47.7° (1986)
30	78.3°	61.7°	25%	92.3° (1973)	47.7° (1965)
31	77.7°	61.3°	25%	91.8° (1973)	46.2° (1965)