weather.gov

Home

News

Organization

Search for:  NWSAll NOAA

Point Forecast: Riderwood MD  39.4N 76.62W (Elev. 404 ft)	Last Update: 10:52 am EDT Sep 30, 2022

[hide menu]

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: 1pm Fri, Sep 30 20222pm Fri, Sep 30 20223pm Fri, Sep 30 20224pm Fri, Sep 30 20225pm Fri, Sep 30 20226pm Fri, Sep 30 20227pm Fri, Sep 30 20228pm Fri, Sep 30 20229pm Fri, Sep 30 202210pm Fri, Sep 30 202211pm Fri, Sep 30 202212am Sat, Oct 1 20221am Sat, Oct 1 20222am Sat, Oct 1 20223am Sat, Oct 1 20224am Sat, Oct 1 20225am Sat, Oct 1 20226am Sat, Oct 1 20227am Sat, Oct 1 20228am Sat, Oct 1 20229am Sat, Oct 1 202210am Sat, Oct 1 202211am Sat, Oct 1 202212pm Sat, Oct 1 20221pm Sat, Oct 1 20222pm Sat, Oct 1 20223pm Sat, Oct 1 20224pm Sat, Oct 1 20225pm Sat, Oct 1 20226pm Sat, Oct 1 20227pm Sat, Oct 1 20228pm Sat, Oct 1 20229pm Sat, Oct 1 202210pm Sat, Oct 1 202211pm Sat, Oct 1 202212am Sun, Oct 2 20221am Sun, Oct 2 20222am Sun, Oct 2 20223am Sun, Oct 2 20224am Sun, Oct 2 20225am Sun, Oct 2 20226am Sun, Oct 2 20227am Sun, Oct 2 20228am Sun, Oct 2 20229am Sun, Oct 2 202210am Sun, Oct 2 202211am Sun, Oct 2 202212pm Sun, Oct 2 20221pm Sun, Oct 2 20222pm Sun, Oct 2 20223pm Sun, Oct 2 20224pm Sun, Oct 2 20225pm Sun, Oct 2 20226pm Sun, Oct 2 20227pm Sun, Oct 2 20228pm Sun, Oct 2 20229pm Sun, Oct 2 202210pm Sun, Oct 2 202211pm Sun, Oct 2 202212am Mon, Oct 3 20221am Mon, Oct 3 20222am Mon, Oct 3 20223am Mon, Oct 3 20224am Mon, Oct 3 20225am Mon, Oct 3 20226am Mon, Oct 3 20227am Mon, Oct 3 20228am Mon, Oct 3 20229am Mon, Oct 3 202210am Mon, Oct 3 202211am Mon, Oct 3 202212pm Mon, Oct 3 20221pm Mon, Oct 3 20222pm Mon, Oct 3 20223pm Mon, Oct 3 20224pm Mon, Oct 3 20225pm Mon, Oct 3 20226pm Mon, Oct 3 20227pm Mon, Oct 3 20228pm Mon, Oct 3 20229pm Mon, Oct 3 202210pm Mon, Oct 3 202211pm Mon, Oct 3 202212am Tue, Oct 4 20221am Tue, Oct 4 20222am Tue, Oct 4 20223am Tue, Oct 4 20224am Tue, Oct 4 20225am Tue, Oct 4 20226am Tue, Oct 4 20227am Tue, Oct 4 20228am Tue, Oct 4 20229am Tue, Oct 4 202210am Tue, Oct 4 202211am Tue, Oct 4 202212pm Tue, Oct 4 20221pm Tue, Oct 4 20222pm Tue, Oct 4 20223pm Tue, Oct 4 20224pm Tue, Oct 4 20225pm Tue, Oct 4 20226pm Tue, Oct 4 20227pm Tue, Oct 4 20228pm Tue, Oct 4 20229pm Tue, Oct 4 202210pm Tue, Oct 4 202211pm Tue, Oct 4 202212am Wed, Oct 5 2022

Date	09/30											10/01
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	64	64	64	65	63	63	62	59	58	56	56	55	55	55	56	55	55	54	55	55	57	57	58	59
Dewpoint (°F)	52	52	51	51	52	51	51	51	52	53	53	54	53	54	54	54	55	54	54	55	56	57	57	58
Heat Index (°F)
Surface Wind (mph)	14	15	15	14	14	14	13	13	14	14	15	16	16	17	17	17	16	17	18	17	20	18	18	18
Wind Dir	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE
Gust	26	28	28	26	28	28	28	28	30	32	33	37	37	38	37	38	37	37	38	39	40	40	40	39
Sky Cover (%)	97	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	97	95
Precipitation Potential (%)	8	9	8	7	16	24	33	35	38	40	48	61	73	84	88	87	80	70	58	78	78	78	78	78
Relative Humidity (%)	65	65	63	60	67	65	67	75	80	90	90	96	93	96	93	96	100	100	96	100	96	100	96	96
Rain	--	--	--	--	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Date												10/02
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	60	61	61	61	60	59	59	59	58	58	57	57	56	56	56	55	55	55	55	55	56	56	57	58
Dewpoint (°F)	58	59	58	58	58	57	57	56	56	56	56	56	55	55	55	55	55	55	54	54	54	55	55	55
Heat Index (°F)
Surface Wind (mph)	18	18	18	17	16	15	14	13	13	13	14	14	14	14	14	14	14	14	15	15	15	16	17	17
Wind Dir	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE
Gust	37	34	33	33	32	31	31	30	30	29	29	28	26	26	26	26	28	29	29	30	31	32	33	33
Sky Cover (%)	96	94	93	92	91	91	91	91	91	89	89	91	92	93	92	90	88	87	86	85	85	85	86	88
Precipitation Potential (%)	78	65	65	65	65	65	65	61	61	61	61	61	61	58	58	58	58	58	58	58	58	58	58	58
Relative Humidity (%)	93	93	90	90	93	93	93	90	93	93	96	96	96	96	96	100	100	100	96	96	93	96	93	90
Rain	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	SChc	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