weather.gov

Home

News

Organization

Search for:  NWSAll NOAA

Point Forecast: Half Moon Bay CA  37.48N 122.42W (Elev. 121 m)	Last Update: 3:01 pm PDT Sep 25, 2021

[hide menu]

Weather Elements Weather/Precipitation Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 4pm Sat, Sep 25 20215pm Sat, Sep 25 20216pm Sat, Sep 25 20217pm Sat, Sep 25 20218pm Sat, Sep 25 20219pm Sat, Sep 25 202110pm Sat, Sep 25 202111pm Sat, Sep 25 202112am Sun, Sep 26 20211am Sun, Sep 26 20212am Sun, Sep 26 20213am Sun, Sep 26 20214am Sun, Sep 26 20215am Sun, Sep 26 20216am Sun, Sep 26 20217am Sun, Sep 26 20218am Sun, Sep 26 20219am Sun, Sep 26 202110am Sun, Sep 26 202111am Sun, Sep 26 202112pm Sun, Sep 26 20211pm Sun, Sep 26 20212pm Sun, Sep 26 20213pm Sun, Sep 26 20214pm Sun, Sep 26 20215pm Sun, Sep 26 20216pm Sun, Sep 26 20217pm Sun, Sep 26 20218pm Sun, Sep 26 20219pm Sun, Sep 26 202110pm Sun, Sep 26 202111pm Sun, Sep 26 202112am Mon, Sep 27 20211am Mon, Sep 27 20212am Mon, Sep 27 20213am Mon, Sep 27 20214am Mon, Sep 27 20215am Mon, Sep 27 20216am Mon, Sep 27 20217am Mon, Sep 27 20218am Mon, Sep 27 20219am Mon, Sep 27 202110am Mon, Sep 27 202111am Mon, Sep 27 202112pm Mon, Sep 27 20211pm Mon, Sep 27 20212pm Mon, Sep 27 20213pm Mon, Sep 27 20214pm Mon, Sep 27 20215pm Mon, Sep 27 20216pm Mon, Sep 27 20217pm Mon, Sep 27 20218pm Mon, Sep 27 20219pm Mon, Sep 27 202110pm Mon, Sep 27 202111pm Mon, Sep 27 202112am Tue, Sep 28 20211am Tue, Sep 28 20212am Tue, Sep 28 20213am Tue, Sep 28 20214am Tue, Sep 28 20215am Tue, Sep 28 20216am Tue, Sep 28 20217am Tue, Sep 28 20218am Tue, Sep 28 20219am Tue, Sep 28 202110am Tue, Sep 28 202111am Tue, Sep 28 202112pm Tue, Sep 28 20211pm Tue, Sep 28 20212pm Tue, Sep 28 20213pm Tue, Sep 28 20214pm Tue, Sep 28 20215pm Tue, Sep 28 20216pm Tue, Sep 28 20217pm Tue, Sep 28 20218pm Tue, Sep 28 20219pm Tue, Sep 28 202110pm Tue, Sep 28 202111pm Tue, Sep 28 202112am Wed, Sep 29 20211am Wed, Sep 29 20212am Wed, Sep 29 20213am Wed, Sep 29 20214am Wed, Sep 29 20215am Wed, Sep 29 20216am Wed, Sep 29 20217am Wed, Sep 29 20218am Wed, Sep 29 20219am Wed, Sep 29 202110am Wed, Sep 29 202111am Wed, Sep 29 202112pm Wed, Sep 29 20211pm Wed, Sep 29 20212pm Wed, Sep 29 20213pm Wed, Sep 29 20214pm Wed, Sep 29 20215pm Wed, Sep 29 20216pm Wed, Sep 29 20217pm Wed, Sep 29 20218pm Wed, Sep 29 20219pm Wed, Sep 29 202110pm Wed, Sep 29 202111pm Wed, Sep 29 202112am Thu, Sep 30 20211am Thu, Sep 30 20212am Thu, Sep 30 20213am Thu, Sep 30 2021

Date	09/25								09/26
Hour (PDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°C)	15	14	14	13	13	13	13	13	12	12	12	12	12	12	12	11	12	12	12	13	13	14	14	14
Dewpoint (°C)	13	13	13	13	12	12	12	12	12	11	11	11	11	11	11	10	11	11	11	12	12	12	12	12
Heat Index (°C)
Surface Wind (mph)	8	8	7	7	6	6	6	5	5	5	5	6	7	7	7	6	7	7	7	7	8	9	10	10
Wind Dir	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W
Gust
Sky Cover (%)	77	84	78	80	87	93	95	92	93	92	93	97	97	98	97	93	78	89	89	84	81	74	61	65
Precipitation Potential (%)	0	1	1	1	1	1	1	0	0	0	0	0	0	1	1	1	1	1	1	0	0	0	0	0
Relative Humidity (%)	89	89	93	94	95	94	94	94	96	96	93	91	93	92	93	92	94	94	93	89	89	86	83	84
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									09/27
Hour (PDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°C)	14	14	13	12	12	12	12	11	12	12	12	12	12	12	12	12	13	13	14	14	15	16	16	16
Dewpoint (°C)	12	12	12	11	11	11	11	11	11	11	11	11	11	12	12	12	12	13	13	13	14	14	14	14
Heat Index (°C)
Surface Wind (mph)	10	9	8	7	6	5	5	2	2	2	3	3	3	2	2	2	2	2	2	7	7	7	8	8
Wind Dir	W	W	W	W	W	WNW	WNW	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	53	63	62	71	90	91	77	84	84	84	92	92	92	96	96	96	80	80	80	93	93	93	86	86
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	7	7	7	7	7
Relative Humidity (%)	86	87	89	93	95	95	94	94	94	94	95	94	94	94	96	97	98	97	96	94	93	92	92	94
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

English Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hourly River Stages Hourly Rainfall NWS Office Map Weather Calculator User Defined Area

---

Webmaster NOAA's National Weather Service San Francisco Bay Area/Monterey, CA

Disclaimer Credits Glossary

Privacy Policy About Us Career Opportunities