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Point Forecast: North Chelmsford MA  42.62N 71.37W (Elev. 148 ft)	Last Update: 1:14 am EDT Sep 22, 2020

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Dispersion Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 2am Tue, Sep 22 20203am Tue, Sep 22 20204am Tue, Sep 22 20205am Tue, Sep 22 20206am Tue, Sep 22 20207am Tue, Sep 22 20208am Tue, Sep 22 20209am Tue, Sep 22 202010am Tue, Sep 22 202011am Tue, Sep 22 202012pm Tue, Sep 22 20201pm Tue, Sep 22 20202pm Tue, Sep 22 20203pm Tue, Sep 22 20204pm Tue, Sep 22 20205pm Tue, Sep 22 20206pm Tue, Sep 22 20207pm Tue, Sep 22 20208pm Tue, Sep 22 20209pm Tue, Sep 22 202010pm Tue, Sep 22 202011pm Tue, Sep 22 202012am Wed, Sep 23 20201am Wed, Sep 23 20202am Wed, Sep 23 20203am Wed, Sep 23 20204am Wed, Sep 23 20205am Wed, Sep 23 20206am Wed, Sep 23 20207am Wed, Sep 23 20208am Wed, Sep 23 20209am Wed, Sep 23 202010am Wed, Sep 23 202011am Wed, Sep 23 202012pm Wed, Sep 23 20201pm Wed, Sep 23 20202pm Wed, Sep 23 20203pm Wed, Sep 23 20204pm Wed, Sep 23 20205pm Wed, Sep 23 20206pm Wed, Sep 23 20207pm Wed, Sep 23 20208pm Wed, Sep 23 20209pm Wed, Sep 23 202010pm Wed, Sep 23 202011pm Wed, Sep 23 202012am Thu, Sep 24 20201am Thu, Sep 24 20202am Thu, Sep 24 20203am Thu, Sep 24 20204am Thu, Sep 24 20205am Thu, Sep 24 20206am Thu, Sep 24 20207am Thu, Sep 24 20208am Thu, Sep 24 20209am Thu, Sep 24 202010am Thu, Sep 24 202011am Thu, Sep 24 202012pm Thu, Sep 24 20201pm Thu, Sep 24 20202pm Thu, Sep 24 20203pm Thu, Sep 24 20204pm Thu, Sep 24 20205pm Thu, Sep 24 20206pm Thu, Sep 24 20207pm Thu, Sep 24 20208pm Thu, Sep 24 20209pm Thu, Sep 24 202010pm Thu, Sep 24 202011pm Thu, Sep 24 202012am Fri, Sep 25 20201am Fri, Sep 25 20202am Fri, Sep 25 20203am Fri, Sep 25 20204am Fri, Sep 25 20205am Fri, Sep 25 20206am Fri, Sep 25 20207am Fri, Sep 25 20208am Fri, Sep 25 20209am Fri, Sep 25 202010am Fri, Sep 25 202011am Fri, Sep 25 202012pm Fri, Sep 25 20201pm Fri, Sep 25 20202pm Fri, Sep 25 20203pm Fri, Sep 25 20204pm Fri, Sep 25 20205pm Fri, Sep 25 20206pm Fri, Sep 25 20207pm Fri, Sep 25 20208pm Fri, Sep 25 20209pm Fri, Sep 25 202010pm Fri, Sep 25 202011pm Fri, Sep 25 202012am Sat, Sep 26 20201am Sat, Sep 26 20202am Sat, Sep 26 20203am Sat, Sep 26 20204am Sat, Sep 26 20205am Sat, Sep 26 20206am Sat, Sep 26 20207am Sat, Sep 26 20208am Sat, Sep 26 20209am Sat, Sep 26 202010am Sat, Sep 26 202011am Sat, Sep 26 202012pm Sat, Sep 26 20201pm Sat, Sep 26 2020

Date	09/22																						09/23
Hour (EDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	40	39	38	37	37	38	42	47	53	58	61	64	66	67	66	65	63	60	57	54	53	52	51	50
Dewpoint (°F)	34	34	33	33	32	33	34	34	34	33	34	33	32	32	32	36	37	38	40	41	42	42	42	40
Heat Index (°F)
Surface Wind (mph)	1	1	1	1	1	1	6	9	11	11	14	15	16	16	16	14	14	15	16	15	14	13	13	11
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NW	NW	N	N	NW	NW	NW	NW	NW	NW
Gust								20	22	25	25	26	26	26	28	28	26
Sky Cover (%)	0	2	5	7	17	26	36	40	44	48	49	51	52	52	52	52	51	50	49	49	48	48	42	37
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	79	82	82	85	82	82	73	60	48	39	36	31	28	27	28	34	38	44	53	61	66	69	71	68
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																							09/24
Hour (EDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	49	49	48	47	48	48	52	57	62	67	70	72	74	75	74	73	71	68	65	63	62	60	59	58
Dewpoint (°F)	40	40	41	42	43	43	44	45	47	48	50	51	52	52	53	53	53	54	53	53	53	54	53	53
Heat Index (°F)														75
Surface Wind (mph)	10	9	9	8	9	9	10	11	14	15	15	15	15	15	14	14	11	8	6	6	6	6	6	5
Wind Dir	NW	NW	NW	NW	NW	NW	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	W	W	W	W
Gust								22	24	25	25	26	26	26	25	25	21
Sky Cover (%)	31	30	28	27	24	21	18	23	27	32	36	39	43	45	46	48	38	29	3	3	2	2	2	1
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	71	71	77	83	83	83	74	64	58	50	49	48	46	45	48	49	53	61	65	70	72	81	80	83
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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