weather.gov

Home

News

Organization

Search for:  NWSAll NOAA

Point Forecast: Rockville MD  39.08N 77.16W (Elev. 430 ft)	Last Update: 10:33 am EDT Jun 14, 2021

[hide menu]  |  Font Size: A A A

Weather Elements Weather/Precipitation Fire 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 Vent Rate (x1000 mph-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 12pm Mon, Jun 14 20211pm Mon, Jun 14 20212pm Mon, Jun 14 20213pm Mon, Jun 14 20214pm Mon, Jun 14 20215pm Mon, Jun 14 20216pm Mon, Jun 14 20217pm Mon, Jun 14 20218pm Mon, Jun 14 20219pm Mon, Jun 14 202110pm Mon, Jun 14 202111pm Mon, Jun 14 202112am Tue, Jun 15 20211am Tue, Jun 15 20212am Tue, Jun 15 20213am Tue, Jun 15 20214am Tue, Jun 15 20215am Tue, Jun 15 20216am Tue, Jun 15 20217am Tue, Jun 15 20218am Tue, Jun 15 20219am Tue, Jun 15 202110am Tue, Jun 15 202111am Tue, Jun 15 202112pm Tue, Jun 15 20211pm Tue, Jun 15 20212pm Tue, Jun 15 20213pm Tue, Jun 15 20214pm Tue, Jun 15 20215pm Tue, Jun 15 20216pm Tue, Jun 15 20217pm Tue, Jun 15 20218pm Tue, Jun 15 20219pm Tue, Jun 15 202110pm Tue, Jun 15 202111pm Tue, Jun 15 202112am Wed, Jun 16 20211am Wed, Jun 16 20212am Wed, Jun 16 20213am Wed, Jun 16 20214am Wed, Jun 16 20215am Wed, Jun 16 20216am Wed, Jun 16 20217am Wed, Jun 16 20218am Wed, Jun 16 20219am Wed, Jun 16 202110am Wed, Jun 16 202111am Wed, Jun 16 202112pm Wed, Jun 16 20211pm Wed, Jun 16 20212pm Wed, Jun 16 20213pm Wed, Jun 16 20214pm Wed, Jun 16 20215pm Wed, Jun 16 20216pm Wed, Jun 16 20217pm Wed, Jun 16 20218pm Wed, Jun 16 20219pm Wed, Jun 16 202110pm Wed, Jun 16 202111pm Wed, Jun 16 202112am Thu, Jun 17 20211am Thu, Jun 17 20212am Thu, Jun 17 20213am Thu, Jun 17 20214am Thu, Jun 17 20215am Thu, Jun 17 20216am Thu, Jun 17 20217am Thu, Jun 17 20218am Thu, Jun 17 20219am Thu, Jun 17 202110am Thu, Jun 17 202111am Thu, Jun 17 202112pm Thu, Jun 17 20211pm Thu, Jun 17 20212pm Thu, Jun 17 20213pm Thu, Jun 17 20214pm Thu, Jun 17 20215pm Thu, Jun 17 20216pm Thu, Jun 17 20217pm Thu, Jun 17 20218pm Thu, Jun 17 20219pm Thu, Jun 17 202110pm Thu, Jun 17 202111pm Thu, Jun 17 202112am Fri, Jun 18 20211am Fri, Jun 18 20212am Fri, Jun 18 20213am Fri, Jun 18 20214am Fri, Jun 18 20215am Fri, Jun 18 20216am Fri, Jun 18 20217am Fri, Jun 18 20218am Fri, Jun 18 20219am Fri, Jun 18 202110am Fri, Jun 18 202111am Fri, Jun 18 202112pm Fri, Jun 18 20211pm Fri, Jun 18 20212pm Fri, Jun 18 20213pm Fri, Jun 18 20214pm Fri, Jun 18 20215pm Fri, Jun 18 20216pm Fri, Jun 18 20217pm Fri, Jun 18 20218pm Fri, Jun 18 20219pm Fri, Jun 18 202110pm Fri, Jun 18 202111pm Fri, Jun 18 2021

Date	06/14												06/15
Hour (EDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°F)	79	81	83	85	85	85	83	81	80	77	75	72	70	68	67	67	66	65	64	64	66	68	70	71
Dewpoint (°F)	69	68	67	66	65	65	65	66	63	64	66	67	66	65	65	64	63	63	62	62	62	62	62	61
Heat Index (°F)	79	84	86	87	87	87	85	83	81	77	75
Surface Wind (mph)	6	6	6	6	6	6	5	3	3	3	5	3	5	5	3	3	3	5	6	6	7	9	10	10
Wind Dir	W	W	W	W	W	W	W	SW	S	SE	S	SE	N	N	N	N	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	28	26	26	28	30	34	43	53	13	18	32	67	60	45	43	54	29	30	35	33	33	24	19	24
Precipitation Potential (%)	3	5	7	7	7	14	14	14	19	36	37	77	79	55	26	17	14	13	13	13	27	27	27	27
Relative Humidity (%)	72	65	59	53	51	51	55	60	56	64	74	84	87	90	93	90	90	93	93	93	87	81	76	71
Rain	--	--	--	--	--	--	--	--	SChc	Chc	Chc	Ocnl	Ocnl	Lkly	SChc	SChc	SChc	SChc	--	--	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	SChc	Chc	Chc	Lkly	Lkly	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--
Date													06/16
Hour (EDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°F)	73	75	76	76	77	77	76	75	74	72	70	68	66	65	64	63	61	61	61	62	64	66	69	72
Dewpoint (°F)	60	59	59	59	59	58	58	58	59	59	58	58	58	57	57	56	56	55	55	55	55	55	55	55
Heat Index (°F)		75	76	76	77	77	76	75
Surface Wind (mph)	10	10	10	10	11	10	10	10	9	8	8	8	7	7	7	6	6	6	6	7	7	7	7	8
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust		18	18		18
Sky Cover (%)	23	19	25	32	13	11	7	11	15	17	20	21	20	19	18	19	20	20	19	17	16	15	13	12
Precipitation Potential (%)	27	27	25	25	25	25	25	25	0	0	0	0	0	0	0	0	0	0	0	0	13	13	13	13
Relative Humidity (%)	64	58	56	56	54	52	54	55	59	64	66	70	75	75	78	78	84	81	81	78	73	68	61	55
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hazardous Weather Briefing Page Past Weather Information Interactive Forecast Map Home

---

Webmaster NOAA's National Weather Service Baltimore, MD/Washington, D.C.

Disclaimer Credits Glossary

Privacy Policy About Us Career Opportunities