Weather Averages for Arcata, CA

7-day Forecast / 10-day Forecast

Monday
	High: 48°F Low: 46°F
Light rain

Tuesday
	High: 48°F Low: 44°F
Sunny

Wednesday
	High: 49°F Low: 42°F
Sunny

Thursday
	High: 54°F Low: 42°F
Sunny

Friday
	High: 63°F Low: 41°F
Sunny

Latitude: 40°48'N, Longitude: 124°7'W, Elevation: 59.0 ft, Distance: 4.94 mi Arcata, CA Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 54 years	°F	53	48	48	48	51	53	55	57	57	57	55	51	48
Average high temperature over 54 years	°F	57	53	55	55	55	57	60	60	62	62	60	57	55
Average low temperature over 54 years	°F	46	41	43	43	44	48	51	51	53	51	48	44	42
Highest recorded temperature over 54 years	°F	87	78	80	75	80	82	84	75	82	86	87	78	77
Lowest recorded temperature over 54 years	°F	21	26	26	30	34	36	41	46	46	41	32	28	21
Average number of rainy days over 83 years	days	117	16	14	16	12	8	5	2	3	4	9	13	15
Average precipitation over 54 years	in	38.0	6.4	5.0	5.2	2.9	1.8	0.6	0.2	0.3	0.8	2.8	5.6	6.4
Average relative humidity over 12 years	%	85	81	83	81	84	84	87	89	89	87	86	84	84
Average dew point over 12 years	°F	46	41	42	41	44	46	50	51	51	51	48	44	43
Most recorded rainfall over 54 years	in	67.2	13.9	10.8	11.2	10.7	6.0	2.6	1.2	3.4	3.3	13.0	16.6	14.1
Least recorded rainfall over 54 years	in	21.1	0.7	0.1	1.2	0.3	-	-	-	-	-	-	0.3	0.5
Average number of days with thunderstorms over 33 years	days	4	1	1	-	-	-	-	-	-	-	-	1	1
Average number of days with fog over 33 years	days	191	13	11	10	12	13	16	22	22	21	21	15	15
Average wind speed over 54 years	mph	6.8	6.9	7.2	7.6	8.0	7.9	7.4	6.8	5.8	5.5	5.6	6.0	6.4
Average number of days below 32°F over 12 years	days	4.8	2.3	0.8	0.6	-	-	-	-	-	-	-	0.2	0.9
Average snowfall over 12 years	in	0.4	0.3	0.1	-	-	-	-	-	-	-	-	-	-
Average number of clear days over 83 years	days	78	6	5	5	6	6	7	7	5	9	8	6	7
Heating degree days over 30 years	days	4496	527	440	484	444	378	285	248	223	234	319	399	515
Average possibility of sunshine over 83 years	%	51	43	46	52	57	58	59	55	50	54	50	44	41
Average number of cloudy days over 83 years	days	188	19	17	18	16	15	13	13	15	13	15	17	18
Average number of partly cloudy days over 83 years	days	99	6	6	8	8	10	10	11	11	8	8	7	6
Average number of days below 45°F over 54 years	days	134	24	19	21	16	7	1	-	-	1	7	16	22
Average number of days above 75°F over 54 years	days	2	-	-	-	-	-	-	-	-	1	1	-	-

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 40°48'N, Longitude: 124°10'W, Elevation: 80.0 ft, Distance: 6.36 mi

Latitude: 40°58'N, Longitude: 124°6'W, Elevation: 217.0 ft, Distance: 6.96 mi

Latitude: 40°33'N, Longitude: 124°7'W, Elevation: 390.0 ft, Distance: 21.96 mi

Latitude: 40°57'N, Longitude: 123°38'W, Elevation: 460.0 ft, Distance: 24.17 mi

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