Point Forecast: 2 Miles ENE Mertztown PA  40.5N 75.66W (Elev. 499 ft)	Last Update: 4:11 pm EDT May 27, 2024

[hide menu]

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) Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 6pm Mon, May 27 20247pm Mon, May 27 20248pm Mon, May 27 20249pm Mon, May 27 202410pm Mon, May 27 202411pm Mon, May 27 202412am Tue, May 28 20241am Tue, May 28 20242am Tue, May 28 20243am Tue, May 28 20244am Tue, May 28 20245am Tue, May 28 20246am Tue, May 28 20247am Tue, May 28 20248am Tue, May 28 20249am Tue, May 28 202410am Tue, May 28 202411am Tue, May 28 202412pm Tue, May 28 20241pm Tue, May 28 20242pm Tue, May 28 20243pm Tue, May 28 20244pm Tue, May 28 20245pm Tue, May 28 20246pm Tue, May 28 20247pm Tue, May 28 20248pm Tue, May 28 20249pm Tue, May 28 202410pm Tue, May 28 202411pm Tue, May 28 202412am Wed, May 29 20241am Wed, May 29 20242am Wed, May 29 20243am Wed, May 29 20244am Wed, May 29 20245am Wed, May 29 20246am Wed, May 29 20247am Wed, May 29 20248am Wed, May 29 20249am Wed, May 29 202410am Wed, May 29 202411am Wed, May 29 202412pm Wed, May 29 20241pm Wed, May 29 20242pm Wed, May 29 20243pm Wed, May 29 20244pm Wed, May 29 20245pm Wed, May 29 20246pm Wed, May 29 20247pm Wed, May 29 20248pm Wed, May 29 20249pm Wed, May 29 202410pm Wed, May 29 202411pm Wed, May 29 202412am Thu, May 30 20241am Thu, May 30 20242am Thu, May 30 20243am Thu, May 30 20244am Thu, May 30 20245am Thu, May 30 20246am Thu, May 30 20247am Thu, May 30 20248am Thu, May 30 20249am Thu, May 30 202410am Thu, May 30 202411am Thu, May 30 202412pm Thu, May 30 20241pm Thu, May 30 20242pm Thu, May 30 20243pm Thu, May 30 20244pm Thu, May 30 20245pm Thu, May 30 20246pm Thu, May 30 20247pm Thu, May 30 20248pm Thu, May 30 20249pm Thu, May 30 202410pm Thu, May 30 202411pm Thu, May 30 202412am Fri, May 31 20241am Fri, May 31 20242am Fri, May 31 20243am Fri, May 31 20244am Fri, May 31 20245am Fri, May 31 20246am Fri, May 31 20247am Fri, May 31 20248am Fri, May 31 20249am Fri, May 31 202410am Fri, May 31 202411am Fri, May 31 202412pm Fri, May 31 20241pm Fri, May 31 20242pm Fri, May 31 20243pm Fri, May 31 20244pm Fri, May 31 20245pm Fri, May 31 20246pm Fri, May 31 20247pm Fri, May 31 20248pm Fri, May 31 20249pm Fri, May 31 202410pm Fri, May 31 202411pm Fri, May 31 202412am Sat, Jun 1 20241am Sat, Jun 1 20242am Sat, Jun 1 20243am Sat, Jun 1 20244am Sat, Jun 1 20245am Sat, Jun 1 2024

Date	05/27						05/28
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)	73	72	72	70	69	69	68	67	66	65	63	62	61	63	64	66	69	71	74	75	75	77	75	75
Dewpoint (°F)	68	67	67	67	66	65	65	64	64	62	61	60	59	59	60	60	60	59	59	59	58	59	58	58
Heat Index (°F)																				75	75	77	75	75
Surface Wind (mph)	10	10	9	8	8	7	7	7	8	7	7	7	7	8	8	9	10	10	11	11	11	13	11	11
Wind Dir	S	S	S	S	S	S	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust																		20		21	21		21
Sky Cover (%)	100	100	91	85	78	71	56	41	26	25	15	10	7	8	3	5	5	8	11	18	14	15	16	29
Precipitation Potential (%)	88	80	71	65	58	43	29	17	6	5	3	2	1	0	0	0	0	0	0	0	1	2	4	7
Relative Humidity (%)	84	84	84	90	90	87	90	90	93	90	93	93	93	87	87	81	73	66	59	58	55	54	55	55
Rain	Ocnl	Ocnl	Lkly	Lkly	Lkly	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	Ocnl	Ocnl	Lkly	Lkly	Lkly	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							05/29
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)	75	73	69	65	63	62	60	59	57	56	55	55	56	58	61	64	67	69	71	72	73	73	73	72
Dewpoint (°F)	58	58	57	57	57	56	55	55	54	54	53	53	54	55	56	56	56	56	56	56	56	56	56	56
Heat Index (°F)	75
Surface Wind (mph)	10	9	7	7	6	6	6	5	5	5	3	3	3	5	5	5	6	6	6	7	7	7	6	6
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	W	W	W	W	W
Gust
Sky Cover (%)	24	31	22	15	10	5	5	5	5	6	6	7	7	6	6	14	22	30	33	36	40	46	52	58
Precipitation Potential (%)	7	11	1	1	1	1	1	1	0	0	0	0	0	0	15	15	15	15	15	15	66	66	66	66
Relative Humidity (%)	55	59	66	75	81	81	84	87	90	93	93	93	93	90	84	75	68	63	59	57	55	55	55	57
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hazardous Local Weather Regional Weather Conditions Interactive Forecast Map National Forecast Maps Briefing Webpage Emergency Managers Briefing Past Weather Information Advanced Hydrologic Prediction Service KDOX - Dover. DE Radar