As of 07:59 EDT

Plymouth, CT weather in August

71°

Plymouth, Sunday, 9 August, 07:59

Clear. Feels like 73°. High 84°, low 68°.

Pressure29.94 inHg

Wind2 mph S

Humidity95%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In August, Plymouth, CT averages a high of 78.8° and a low of 62.3°. About 4.7 inches of precipitation fall over the month (11 wet days). The record high is 97.2° (1975) and the record low 44.2° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81°	64°	43%	92.8° (2006)	51.8° (1964)
2	82°	64.6°	47%	97.2° (1975)	54° (2023)
3	82.4°	65.5°	50%	93.9° (1975)	52.5° (1976)
4	81.5°	65.5°	43%	94.6° (2022)	52.3° (1964)
5	81°	64°	43%	96.4° (2005)	52.2° (1972)
6	79.5°	63°	40%	91.4° (2022)	52° (1994)
7	78.8°	62.8°	37%	91.4° (2001)	51.8° (1994)
8	80.1°	63.5°	40%	91° (2022)	52.9° (2004)
9	80.6°	64°	33%	95.7° (2001)	51.6° (1989)
10	80.4°	64°	40%	93.4° (2001)	49.6° (1964)
11	79.3°	63.5°	38%	91.9° (2025)	50.7° (1972)
12	78.4°	63.1°	42%	94.5° (2002)	53.2° (1979)
13	78.8°	62.8°	38%	96.4° (2002)	52° (1971)
14	80.1°	62.8°	32%	95.9° (2002)	49.5° (1964)
15	78.3°	62.8°	38%	92.5° (1988)	49.6° (1964)
16	79°	62.2°	37%	90.3° (2002)	49.5° (1972)
17	79.3°	63.3°	45%	89.8° (2025)	50.5° (1979)
18	78.3°	62.6°	38%	88.7° (2002)	52.3° (1979)
19	77.9°	61°	28%	90.3° (2019)	50.7° (1963)
20	77.2°	60.8°	37%	90.3° (1983)	51.4° (2008)
21	77°	60.1°	35%	90° (1995)	49.6° (2000)
22	76.6°	60.3°	32%	90° (1976)	48° (1982)
23	75.9°	59.9°	33%	89.1° (2020)	50° (1988)
24	76.5°	59.9°	28%	91° (1998)	47.3° (1971)
25	77.5°	60.1°	28%	90.1° (2020)	47.8° (1971)
26	78.1°	60.1°	28%	89.8° (2021)	48.7° (1963)
27	78.3°	61.9°	38%	91.2° (1993)	50.2° (1989)
28	77.7°	62.2°	37%	91.4° (2018)	50.9° (1968)
29	76.6°	61.2°	37%	90.5° (2018)	44.8° (1982)
30	77°	60.4°	23%	91° (1973)	44.2° (1986)
31	76.6°	60.3°	23%	91.6° (1973)	45.9° (1965)