As of 08:27 EDT

Weather in Old Lyme, CT

55°

Old Lyme, Saturday, 10 October, 08:27

Overcast. Feels like 54°. High 65°, low 45°.

Pressure30.39 inHg

Wind7.6 mph N

Humidity75%

Visibility6.2 mi

Dew point47°

Sat, 10October

65°/45°

Sun, 11October

65°/43°

Mon, 12October

72°/58°

Tue, 13October

67°/54°

Wed, 14October

78°/59°

Thu, 15October

59°/52°

Fri, 16October

64°/54°

	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	60°	47°	49°	51°	53°	55°	60°	65°	64°	57°	51°	47°
Feels like	60°	46°	48°	50°	52°	53°	58°	63°	62°	56°	50°	47°
Pressure, inHg	30.45	30.45	30.45	30.45	30.45	30.42	30.45	30.45	30.42	30.42	30.47	30.47
Wind, mph	3.4	3.4	3.4	3.4	3.4	2.9	1.9	1.1	0.9	0.5	1.1	1.3
Humidity, %	58%	58%	58%	58%	58%	73%	58%	39%	43%	72%	83%	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

	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	44°	43°	43°	43°	47°	59°	63°	65°	62°	57°	53°	57°
Feels like	43°	43°	42°	40°	44°	57°	61°	64°	61°	57°	53°	58°
Pressure, inHg	30.47	30.45	30.42	30.42	30.42	30.39	30.36	30.27	30.21	30.12	30.09	30.00
Wind, mph	1.5	1.1	1.5	2.2	2.6	3.8	4.1	3.8	3.5	3.7	3.6	4.7
Humidity, %	88%	86%	86%	87%	79%	55%	52%	70%	84%	94%	98%	98%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 in	0.04 in	0.03 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	3.3 mi	4.9 mi	1.8 mi	2.2 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°	59°	59°	59°	59°	61°	63°	70°	72°	66°	61°	61°
Feels like	59°	60°	60°	59°	59°	61°	63°	70°	71°	66°	61°	61°
Pressure, inHg	29.88	29.83	29.74	29.71	29.71	29.71	29.71	29.68	29.71	29.74	29.80	29.83
Wind, mph	4.7	4.9	5	5.2	5.8	4.7	5.6	4.3	3.2	1.7	2.9	3.6
Humidity, %	99%	99%	99%	99%	98%	93%	82%	66%	61%	80%	89%	88%
Precipitation	0.08 in	0.04 in	0.02 in	0.01 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	2.7 mi	2.5 mi	4.4 mi	6.1 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	59°	59°	57°	55°	56°	64°	67°	67°	66°	65°	63°	63°
Feels like	59°	59°	57°	55°	56°	63°	67°	67°	66°	65°	63°	63°
Pressure, inHg	29.85	29.85	29.85	29.91	29.94	29.94	29.94	29.91	29.88	29.88	29.85	29.83
Wind, mph	3.4	3.3	2.6	1.9	2.3	1.8	3.1	3.1	3.2	3.6	4.2	4.5
Humidity, %	92%	93%	97%	95%	92%	77%	72%	74%	81%	88%	97%	96%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 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	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	64°	64°	64°	64°	64°	70°	74°	75°	74°	73°	71°	66°
Feels like	64°	65°	64°	64°	65°	71°	74°	75°	74°	73°	70°	65°
Pressure, inHg	29.80	29.77	29.74	29.77	29.77	29.80	29.80	29.80	29.80	29.80	29.80	29.80
Wind, mph	4.6	4.7	3.8	3	2.3	4.7	4.7	4.7	4.7	4.7	4.7	4.7
Humidity, %	95%	93%	93%	93%	93%	68%	68%	68%	68%	68%	68%	68%
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	—	—	—	—	—	—	—

	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°	53°	53°	53°	55°	56°	57°	58°	58°	57°	56°	55°
Feels like	58°	50°	51°	52°	53°	54°	55°	55°	55°	55°	54°	52°
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	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4
Humidity, %	47%	47%	47%	47%	47%	47%	47%	47%	47%	47%	47%	47%
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	58°	62°	59°	55°	56°	57°	58°	59°	60°	61°	62°	63°
Feels like	58°	62°	58°	54°	55°	56°	57°	59°	60°	61°	62°	63°
Pressure, inHg	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18
Wind, mph	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2
Humidity, %	89%	89%	89%	89%	89%	89%	89%	89%	89%	89%	89%	89%
Precipitation	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 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, 1%

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)