As of 17:48 EDT

Weather in Old Lyme, CT

63°

Old Lyme, Friday, 9 October, 17:48

Partly cloudy. Feels like 62°. High 68°, low 46°.

Pressure30.12 inHg

Wind0 mph N

Humidity61%

Visibility6.2 mi

Dew point50°

Fri, 09October

68°/46°

Sat, 10October

65°/43°

Sun, 11October

63°/45°

Mon, 12October

67°/58°

Tue, 13October

70°/55°

Wed, 14October

72°/57°

Thu, 15October

60°/49°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	67°	49°	47°	46°	52°	58°	64°	66°	65°	63°	61°	54°
Feels like	67°	47°	46°	44°	50°	56°	63°	65°	64°	62°	59°	52°
Pressure, inHg	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.12	30.15	30.21
Wind, mph	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	2.1	2	2.5
Humidity, %	48%	48%	48%	48%	48%	48%	48%	48%	48%	61%	63%	67%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	49°	48°	46°	43°	51°	59°	63°	65°	65°	59°	51°	48°
Feels like	47°	45°	44°	39°	50°	57°	61°	63°	63°	58°	50°	47°
Pressure, inHg	30.27	30.27	30.30	30.36	30.42	30.45	30.45	30.45	30.45	30.45	30.47	30.47
Wind, mph	2.9	2.7	2.3	2.8	3.3	2.5	1.5	1.2	0.9	0.5	0.3	1.4
Humidity, %	69%	67%	72%	78%	76%	58%	44%	38%	40%	72%	80%	85%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	47°	46°	46°	45°	53°	61°	63°	62°	61°	60°	60°	59°
Feels like	45°	46°	45°	43°	52°	59°	62°	62°	61°	60°	60°	59°
Pressure, inHg	30.47	30.47	30.45	30.42	30.42	30.39	30.33	30.27	30.21	30.12	30.06	29.97
Wind, mph	1.7	1.3	1.7	2.3	3	4	4	4	3.7	3	4.3	4.8
Humidity, %	87%	84%	83%	85%	76%	53%	62%	74%	81%	91%	93%	97%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.02 in	0.02 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	3.1 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	61°	61°	61°	60°	59°	60°	63°	66°	67°	64°	59°	60°
Feels like	61°	61°	61°	61°	59°	60°	63°	66°	67°	64°	59°	60°
Pressure, inHg	29.88	29.80	29.68	29.65	29.62	29.65	29.65	29.65	29.68	29.71	29.74	29.77
Wind, mph	5.4	5.4	4.6	4.5	4.6	5.1	5.6	4.9	4.4	1.9	2.8	3.2
Humidity, %	96%	99%	99%	100%	99%	98%	85%	75%	72%	85%	92%	91%
Precipitation	0.01 in	0.07 in	0.04 in	0 in	0 in	0.05 in	0.01 in	0 in	0 in	0 in	0 in	0 in
Visibility	3.3 mi	1.6 mi	3.2 mi	4.9 mi	5.0 mi	3.6 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	58°	57°	55°	56°	58°	64°	68°	70°	67°	66°	65°	63°
Feels like	57°	56°	55°	56°	57°	64°	68°	70°	67°	66°	65°	64°
Pressure, inHg	29.77	29.77	29.80	29.80	29.83	29.83	29.83	29.83	29.80	29.83	29.83	29.83
Wind, mph	3.3	3	2.8	2.5	2	0.6	1.9	2.9	2.9	3	3	3
Humidity, %	93%	93%	95%	94%	90%	77%	69%	67%	81%	70%	70%	70%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	67°	58°	58°	58°	61°	63°	65°	67°	68°	69°	67°	64°
Feels like	67°	58°	58°	58°	61°	63°	65°	67°	68°	69°	67°	63°
Pressure, inHg	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88
Wind, mph	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6
Humidity, %	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%	74%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	57°	53°	52°	50°	52°	54°	56°	56°	56°	56°	55°	54°
Feels like	57°	51°	50°	49°	51°	52°	54°	54°	54°	53°	53°	52°
Pressure, inHg	30.24	30.24	30.24	30.24	30.24	30.24	30.24	30.24	30.24	30.24	30.24	30.24
Wind, mph	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9
Humidity, %	51%	51%	51%	51%	51%	51%	51%	51%	51%	51%	51%	51%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 24 min

Sunrise — 06:54

Sunset — 18:18

Sunrise and sunset in local time

New moon, 2%

Sunrise — —

Sunset — —

Old Lyme, CT climate by month

The annual average temperature in Old Lyme, CT is 51.6°. The warmest month is July (average high 77.9°), and the coldest is January (average low 25.3°). About 47.0 inches of precipitation fall per year, most of it in December (4.5 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	36.6°	25.3°	3.7 in	10	61° (2020)	-5.1° (2018)
February	37.7°	26°	3.4 in	9	63.9° (2023)	-8.3° (2016)
March	44.1°	32.3°	4.2 in	11	66.4° (2025)	2.8° (1967)
April	53.1°	41°	3.9 in	11	77.4° (2002)	17.2° (1982)
May	61.9°	50.4°	3.9 in	12	86.2° (2021)	34.3° (2020)
June	71.3°	60.2°	3.7 in	11	93.7° (2025)	45.1° (2000)
July	77.9°	67.1°	3.5 in	10	93.6° (2011)	52.5° (1988)
August	77.2°	66.8°	4.3 in	11	91.8° (1975)	50.4° (1982)
September	71.1°	60.7°	4.0 in	9	88.7° (1983)	42.3° (2000)
October	61.2°	50.9°	4.0 in	9	80.6° (2019)	29.1° (2020)
November	51.4°	41.1°	3.8 in	10	74.3° (2024)	14.5° (2018)
December	42°	31.6°	4.5 in	11	66.4° (1998)	-2.6° (1980)