As of 01:09 EDT

Weather in Old Lyme, CT

56°

Old Lyme, Saturday, 10 October, 01:09

Overcast. Feels like 55°. High 65°, low 43°.

Pressure30.24 inHg

Wind0 mph N

Humidity72%

Visibility6.2 mi

Dew point46°

Sat, 10October

65°/43°

Sun, 11October

62°/43°

Mon, 12October

68°/58°

Tue, 13October

70°/54°

Wed, 14October

69°/55°

Thu, 15October

60°/47°

Fri, 16October

64°/55°

	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	63°	55°	51°	45°	47°	58°	63°	65°	65°	58°	51°	47°
Feels like	63°	53°	49°	41°	43°	57°	61°	63°	63°	57°	50°	47°
Pressure, inHg	30.47	30.24	30.27	30.33	30.42	30.47	30.47	30.45	30.42	30.45	30.47	30.47
Wind, mph	3.4	2.8	2.4	3	3.4	2.5	1.1	0.8	1.1	1.2	0.9	1.3
Humidity, %	44%	73%	74%	77%	72%	61%	44%	40%	47%	74%	82%	88%
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

	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	45°	43°	45°	45°	49°	60°	62°	62°	58°	58°	58°	59°
Feels like	43°	42°	43°	42°	46°	58°	61°	62°	58°	58°	58°	60°
Pressure, inHg	30.47	30.45	30.42	30.42	30.39	30.36	30.33	30.27	30.18	30.09	30.03	29.91
Wind, mph	1.7	1.4	1.7	2.3	3.1	3.9	4	3.9	3.7	4.1	5.1	5.8
Humidity, %	89%	86%	82%	84%	75%	57%	69%	82%	98%	99%	99%	98%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.02 in	0.03 in	0.02 in	0.03 in	0.05 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	2.7 mi	2.6 mi	2.9 mi	2.2 mi	1.5 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°	60°	59°	58°	58°	59°	62°	67°	68°	64°	60°	59°
Feels like	61°	61°	59°	59°	58°	59°	62°	66°	68°	64°	60°	59°
Pressure, inHg	29.83	29.77	29.68	29.65	29.65	29.68	29.68	29.68	29.71	29.74	29.77	29.80
Wind, mph	5.6	4.8	4.4	4.6	5.6	5.8	5.4	5.5	3.8	2.5	2.9	3
Humidity, %	99%	99%	99%	99%	98%	97%	83%	70%	66%	81%	89%	91%
Precipitation	0.01 in	0.02 in	0 in	0.01 in	0.02 in	0.13 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	4.0 mi	4.1 mi	5.0 mi	6.2 mi	2.4 mi	5.2 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	58°	57°	55°	53°	56°	63°	68°	70°	69°	66°	63°	65°
Feels like	58°	57°	55°	53°	55°	63°	68°	70°	69°	67°	63°	65°
Pressure, inHg	29.83	29.83	29.83	29.85	29.88	29.88	29.88	29.85	29.80	29.80	29.80	29.77
Wind, mph	3.1	3	1.9	2.2	1.6	1.7	2.8	3.2	3.1	2.9	2.5	3.5
Humidity, %	93%	94%	95%	96%	93%	80%	72%	69%	76%	84%	94%	90%
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	65°	56°	60°	63°	64°	66°	68°	69°	67°	66°	64°	60°
Feels like	65°	55°	59°	63°	65°	67°	68°	68°	67°	65°	63°	59°
Pressure, inHg	29.77	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80
Wind, mph	3.7	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8
Humidity, %	92%	71%	71%	71%	71%	71%	71%	71%	71%	71%	71%	71%
Precipitation	0.07 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	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	57°	53°	50°	47°	50°	53°	55°	57°	58°	58°	58°	56°
Feels like	57°	51°	48°	46°	48°	51°	53°	55°	55°	56°	55°	54°
Pressure, inHg	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12
Wind, mph	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
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	—	—	—	—	—	—	—	—	—	—	—	—

	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°	62°	59°	56°	57°	57°	57°	58°	60°	62°	63°	63°
Feels like	57°	63°	59°	55°	55°	56°	56°	58°	60°	62°	63°	64°
Pressure, inHg	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09
Wind, mph	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3
Humidity, %	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%	87%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 21 min

Sunrise — 06:55

Sunset — 18:16

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)