What is Stuart Island State Park, WA, Weather Like in October?

During the month of October, Stuart Island State Park, WA, has an average daytime high temperature of 59°F and an average overnight low temperature dropping to 44°F. Around 2.34 inches of precipitation is received during the month, with about 13.04 inches falling in a typical year. Snow is not common in Stuart Island State Park, WA.

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October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 21, 2025)

Actual High Average High Actual Low Average Low

Month Summary
Average High: 57.9 F (-2.3 vs avg)
Average Low: 45.5 F (+0.7 vs avg)

Actual data from: KFHR

Stuart Island State Park, WA Daily Weather Averages for October

Recorded at Friday Harbor Ap (usw00094276), 13.4 miles SE of Stuart Island State Park, WA

Day	Avg Temps (°F)			Precip (in)		Snow (in)		Degree Days (°F)
Day	Low	High	Mean	Month	Year	Month	Year	Heat	Cool
10/1	46 F	63 F	55 F	0.05"	10.75"	N/A	N/A	10.3 F	N/A
10/2	46 F	63 F	54 F	0.11"	10.81"	N/A	N/A	10.6 F	N/A
10/3	46 F	63 F	54 F	0.16"	10.86"	N/A	N/A	10.8 F	N/A
10/4	46 F	62 F	54 F	0.23"	10.93"	N/A	N/A	11.1 F	N/A
10/5	46 F	62 F	54 F	0.29"	10.99"	N/A	N/A	11.3 F	N/A
10/6	45 F	62 F	54 F	0.36"	11.06"	N/A	N/A	11.5 F	N/A
10/7	45 F	61 F	53 F	0.43"	11.13"	N/A	N/A	11.8 F	N/A
10/8	45 F	61 F	53 F	0.50"	11.20"	N/A	N/A	12 F	N/A
10/9	45 F	61 F	53 F	0.57"	11.27"	N/A	N/A	12.3 F	N/A
10/10	45 F	60 F	53 F	0.64"	11.34"	N/A	N/A	12.5 F	N/A
10/11	45 F	60 F	52 F	0.71"	11.41"	N/A	N/A	12.7 F	N/A
10/12	45 F	60 F	52 F	0.78"	11.48"	N/A	N/A	13 F	N/A
10/13	44 F	59 F	52 F	0.85"	11.55"	N/A	N/A	13.2 F	N/A
10/14	44 F	59 F	52 F	0.91"	11.61"	N/A	N/A	13.4 F	N/A
10/15	44 F	59 F	51 F	0.99"	11.69"	N/A	N/A	13.6 F	N/A
10/16	44 F	58 F	51 F	1.06"	11.76"	N/A	N/A	13.9 F	N/A
10/17	44 F	58 F	51 F	1.13"	11.83"	N/A	N/A	14.1 F	N/A
10/18	44 F	58 F	51 F	1.21"	11.91"	N/A	N/A	14.3 F	N/A
10/19	44 F	57 F	51 F	1.29"	11.99"	N/A	N/A	14.5 F	N/A
10/20	43 F	57 F	50 F	1.37"	12.07"	N/A	N/A	14.7 F	N/A
10/21	43 F	57 F	50 F	1.45"	12.15"	N/A	N/A	14.9 F	N/A
10/22	43 F	57 F	50 F	1.53"	12.23"	N/A	N/A	15.1 F	N/A
10/23	43 F	56 F	50 F	1.62"	12.32"	N/A	N/A	15.3 F	N/A
10/24	43 F	56 F	50 F	1.71"	12.41"	N/A	N/A	15.5 F	N/A
10/25	43 F	56 F	49 F	1.80"	12.50"	N/A	N/A	15.7 F	N/A
10/26	43 F	56 F	49 F	1.88"	12.58"	N/A	N/A	15.9 F	N/A
10/27	42 F	55 F	49 F	1.97"	12.67"	N/A	N/A	16.1 F	N/A
10/28	42 F	55 F	49 F	2.06"	12.76"	N/A	N/A	16.3 F	N/A
10/29	42 F	55 F	49 F	2.15"	12.85"	N/A	N/A	16.5 F	N/A
10/30	42 F	55 F	48 F	2.25"	12.95"	N/A	N/A	16.6 F	N/A
10/31	42 F	54 F	48 F	2.34"	13.04"	N/A	N/A	16.8 F	N/A