Point Forecast: Mt Rainier WA  46.85N 121.75W (Elev. 12762 ft)	Last Update: 1:28 pm PDT May 10, 2026

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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 Trans. Wind  ktmphkm/hm/s

48-Hour Period Starting: 8pm Sun, May 10 20269pm Sun, May 10 202610pm Sun, May 10 202611pm Sun, May 10 202612am Mon, May 11 20261am Mon, May 11 20262am Mon, May 11 20263am Mon, May 11 20264am Mon, May 11 20265am Mon, May 11 20266am Mon, May 11 20267am Mon, May 11 20268am Mon, May 11 20269am Mon, May 11 202610am Mon, May 11 202611am Mon, May 11 202612pm Mon, May 11 20261pm Mon, May 11 20262pm Mon, May 11 20263pm Mon, May 11 20264pm Mon, May 11 20265pm Mon, May 11 20266pm Mon, May 11 20267pm Mon, May 11 20268pm Mon, May 11 20269pm Mon, May 11 202610pm Mon, May 11 202611pm Mon, May 11 202612am Tue, May 12 20261am Tue, May 12 20262am Tue, May 12 20263am Tue, May 12 20264am Tue, May 12 20265am Tue, May 12 20266am Tue, May 12 20267am Tue, May 12 20268am Tue, May 12 20269am Tue, May 12 202610am Tue, May 12 202611am Tue, May 12 202612pm Tue, May 12 20261pm Tue, May 12 20262pm Tue, May 12 20263pm Tue, May 12 20264pm Tue, May 12 20265pm Tue, May 12 20266pm Tue, May 12 20267pm Tue, May 12 20268pm Tue, May 12 20269pm Tue, May 12 202610pm Tue, May 12 202611pm Tue, May 12 202612am Wed, May 13 20261am Wed, May 13 20262am Wed, May 13 20263am Wed, May 13 20264am Wed, May 13 20265am Wed, May 13 20266am Wed, May 13 20267am Wed, May 13 20268am Wed, May 13 20269am Wed, May 13 202610am Wed, May 13 202611am Wed, May 13 202612pm Wed, May 13 20261pm Wed, May 13 20262pm Wed, May 13 20263pm Wed, May 13 20264pm Wed, May 13 20265pm Wed, May 13 20266pm Wed, May 13 20267pm Wed, May 13 20268pm Wed, May 13 20269pm Wed, May 13 202610pm Wed, May 13 202611pm Wed, May 13 202612am Thu, May 14 20261am Thu, May 14 20262am Thu, May 14 20263am Thu, May 14 20264am Thu, May 14 20265am Thu, May 14 20266am Thu, May 14 20267am Thu, May 14 20268am Thu, May 14 20269am Thu, May 14 202610am Thu, May 14 202611am Thu, May 14 202612pm Thu, May 14 20261pm Thu, May 14 20262pm Thu, May 14 20263pm Thu, May 14 20264pm Thu, May 14 20265pm Thu, May 14 20266pm Thu, May 14 20267pm Thu, May 14 20268pm Thu, May 14 20269pm Thu, May 14 202610pm Thu, May 14 202611pm Thu, May 14 202612am Fri, May 15 20261am Fri, May 15 20262am Fri, May 15 20263am Fri, May 15 20264am Fri, May 15 20265am Fri, May 15 20266am Fri, May 15 20267am Fri, May 15 2026

Date	05/10				05/11
Hour (PDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	23	22	22	22	21	20	19	19	19	18	20	22	24	28	29	31	32	32	33	34	34	34	36	34
Dewpoint (°F)	13	12	12	13	11	11	10	10	10	9	9	9	8	8	8	7	10	10	10	12	13	14	19	20
Heat Index (°F)
Surface Wind (mph)	32	28	22	16	13	11	9	9	10	11	11	10	9	9	10	13	13	13	15	10	15	13	13	13
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	SSW	S	SSW	SSW	SSW
Gust	45	38	31	24	20													20	21	21	21	20	20	20
Sky Cover (%)	28	31	35	23	24	26	28	34	40	33	42	32	21	21	24	17	20	37	31	31	20	21	21	21
Precipitation Potential (%)	1	1	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	66	66	65	69	66	67	67	66	66	68	63	57	51	43	40	36	39	39	38	39	41	44	50	55
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date					05/12
Hour (PDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	34	32	32	31	31	30	29	29	29	28	31	33	34	36	37	39	41	42	43	43	43	43	42	41
Dewpoint (°F)	20	15	11	9	9	7	5	4	3	2	4	6	8	9	9	11	13	15	18	20	21	24	27	29
Heat Index (°F)
Surface Wind (mph)	13	13	13	21	21	21	25	25	25	30	30	30	31	31	31	22	22	22	16	16	16	17	17	17
Wind Dir	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	SE	SE	SE	SSW	SSW	SSW	WSW	WSW	WSW
Gust	20	20	20	25	25	25	31	31	31	36	36	36	40	40	40	31	31	31	25	25	25	24	24	24
Sky Cover (%)	34	34	34	24	24	24	28	28	28	40	40	40	29	29	29	27	27	27	34	34	34	39	39	39
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	3	3
Relative Humidity (%)	56	48	42	40	39	37	35	34	32	32	31	32	33	32	31	31	32	33	36	39	42	47	54	61
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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