Point Forecast: 3 Miles WSW Chattanooga TN  35.03N 85.3W (Elev. 659 ft)	Last Update: 2:26 pm EDT May 20, 2026

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Date	05/20						05/21
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	82	81	79	76	73	72	72	71	70	70	69	68	68	68	67	69	72	74	77	79	80	81	82	81
Dewpoint (°F)	71	71	70	70	69	68	67	67	66	66	66	65	65	65	65	66	68	68	70	71	71	71	71	71
Heat Index (°F)	86	85	79	76															77	79	83	85	86	85
Surface Wind (mph)	3	3	2	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	2	2	2	2
Wind Dir	SW	SW	SW	SW	N	N	N	N	N	N	N	N	N	N	N	N	N	N	S	SW	SW	SW	S	S
Gust
Sky Cover (%)	71	75	72	67	68	72	69	72	84	91	86	85	90	93	90	75	80	69	85	81	77	55	38	48
Precipitation Potential (%)	64	60	38	33	29	40	51	56	38	30	18	23	36	67	65	51	37	40	46	43	47	51	48	62
Relative Humidity (%)	69	72	74	82	87	87	84	87	87	87	90	90	90	90	93	90	87	82	79	77	74	72	69	72
Rain	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Lkly	Chc	Chc	SChc	SChc	Chc	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly
Thunder	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc
Date							05/22
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	81	80	78	75	73	72	71	70	69	69	68	68	68	68	67	69	72	75	78	80	81	83	83	83
Dewpoint (°F)	72	71	71	71	69	68	67	67	66	66	66	65	65	65	65	66	67	69	70	71	72	72	72	72
Heat Index (°F)	85	83	78	75														75	78	83	85	88	88	88
Surface Wind (mph)	2	2	1	1	0	0	0	0	0	0	0	1	1	2	3	5	6	7	8	9	10	10	10	9
Wind Dir	S	SE	E	SE	N	N	N	N	N	N	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	S
Gust																			18	20	20	20	20	18
Sky Cover (%)	60	74	76	79	76	75	75	77	85	88	73	84	86	86	89	84	77	70	70	70	70	70	70	70
Precipitation Potential (%)	58	60	52	48	54	40	25	26	85	85	85	85	85	85	59	59	59	59	59	59	90	90	90	90
Relative Humidity (%)	74	74	79	87	87	87	87	90	90	90	93	90	90	90	93	90	84	82	76	74	74	70	70	70
Rain	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc

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