Point Forecast: Old Lyme CT  41.31N 72.33W (Elev. 43 ft)	Last Update: 3:02 am EDT Apr 13, 2026

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Weather Elements Weather/Precipitation Aviation Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Ceiling Height Visibility

48-Hour Period Starting: 4am Mon, Apr 13 20265am Mon, Apr 13 20266am Mon, Apr 13 20267am Mon, Apr 13 20268am Mon, Apr 13 20269am Mon, Apr 13 202610am Mon, Apr 13 202611am Mon, Apr 13 202612pm Mon, Apr 13 20261pm Mon, Apr 13 20262pm Mon, Apr 13 20263pm Mon, Apr 13 20264pm Mon, Apr 13 20265pm Mon, Apr 13 20266pm Mon, Apr 13 20267pm Mon, Apr 13 20268pm Mon, Apr 13 20269pm Mon, Apr 13 202610pm Mon, Apr 13 202611pm Mon, Apr 13 202612am Tue, Apr 14 20261am Tue, Apr 14 20262am Tue, Apr 14 20263am Tue, Apr 14 20264am Tue, Apr 14 20265am Tue, Apr 14 20266am Tue, Apr 14 20267am Tue, Apr 14 20268am Tue, Apr 14 20269am Tue, Apr 14 202610am Tue, Apr 14 202611am Tue, Apr 14 202612pm Tue, Apr 14 20261pm Tue, Apr 14 20262pm Tue, Apr 14 20263pm Tue, Apr 14 20264pm Tue, Apr 14 20265pm Tue, Apr 14 20266pm Tue, Apr 14 20267pm Tue, Apr 14 20268pm Tue, Apr 14 20269pm Tue, Apr 14 202610pm Tue, Apr 14 202611pm Tue, Apr 14 202612am Wed, Apr 15 20261am Wed, Apr 15 20262am Wed, Apr 15 20263am Wed, Apr 15 20264am Wed, Apr 15 20265am Wed, Apr 15 20266am Wed, Apr 15 20267am Wed, Apr 15 20268am Wed, Apr 15 20269am Wed, Apr 15 202610am Wed, Apr 15 202611am Wed, Apr 15 202612pm Wed, Apr 15 20261pm Wed, Apr 15 20262pm Wed, Apr 15 20263pm Wed, Apr 15 20264pm Wed, Apr 15 20265pm Wed, Apr 15 20266pm Wed, Apr 15 20267pm Wed, Apr 15 20268pm Wed, Apr 15 20269pm Wed, Apr 15 202610pm Wed, Apr 15 202611pm Wed, Apr 15 202612am Thu, Apr 16 20261am Thu, Apr 16 20262am Thu, Apr 16 20263am Thu, Apr 16 20264am Thu, Apr 16 20265am Thu, Apr 16 20266am Thu, Apr 16 20267am Thu, Apr 16 20268am Thu, Apr 16 20269am Thu, Apr 16 202610am Thu, Apr 16 202611am Thu, Apr 16 202612pm Thu, Apr 16 20261pm Thu, Apr 16 20262pm Thu, Apr 16 20263pm Thu, Apr 16 20264pm Thu, Apr 16 20265pm Thu, Apr 16 20266pm Thu, Apr 16 20267pm Thu, Apr 16 20268pm Thu, Apr 16 20269pm Thu, Apr 16 202610pm Thu, Apr 16 202611pm Thu, Apr 16 202612am Fri, Apr 17 20261am Fri, Apr 17 20262am Fri, Apr 17 20263am Fri, Apr 17 20264am Fri, Apr 17 20265am Fri, Apr 17 20266am Fri, Apr 17 20267am Fri, Apr 17 20268am Fri, Apr 17 20269am Fri, Apr 17 202610am Fri, Apr 17 202611am Fri, Apr 17 202612pm Fri, Apr 17 20261pm Fri, Apr 17 20262pm Fri, Apr 17 20263pm Fri, Apr 17 2026

Date	04/13																				04/14
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	45	45	45	46	49	51	53	53	56	58	58	57	58	58	58	58	58	58	56	56	56	55	54	54
Dewpoint (°F)	42	43	44	44	47	48	49	50	51	51	51	52	52	51	51	51	51	51	51	51	52	52	52	52
Wind Chill (°F)	43	42	41	42	46
Surface Wind (mph)	5	6	7	7	8	9	10	13	14	15	15	15	14	13	11	10	8	7	7	6	5	5	3	3
Wind Dir	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W
Gust					20	21	22	24	26	28	29	29	29	29	28	24	21
Sky Cover (%)	73	82	83	85	86	84	82	80	77	75	72	73	73	74	60	47	26	26	18	11	15	18	22	28
Precipitation Potential (%)	6	6	20	20	17	17	17	6	6	6	12	12	12	12	12	12	3	3	3	3	3	3	0	0
Relative Humidity (%)	89	93	96	93	93	89	86	89	83	77	77	83	80	77	77	77	77	77	83	83	86	90	93	93
Rain	--	--	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					04/15
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	53	53	52	53	55	58	62	65	67	69	69	69	68	66	64	61	58	56	56	55	54	54	54	53
Dewpoint (°F)	51	51	51	52	53	54	55	56	56	56	56	56	55	54	53	52	51	51	51	51	51	50	50	50
Wind Chill (°F)
Surface Wind (mph)	2	2	2	1	1	2	2	3	5	6	6	7	7	6	6	5	5	5	3	3	3	3	2	2
Wind Dir	W	W	W	W	W	W	W	SW	SW	SW	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	34	40	44	47	51	49	48	46	44	42	40	40	40	40	44	49	53	56	60	63	58	52	47	47
Precipitation Potential (%)	0	0	0	0	1	1	1	1	1	1	9	9	9	9	9	9	19	19	19	19	19	19	6	6
Relative Humidity (%)	93	93	96	96	93	87	78	73	68	63	63	63	63	65	67	72	77	83	83	86	90	86	86	89
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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