San Juan Island, WA 18 October Weather

Altitude - 60m | 48°30′29″N,123°6′4″W | map (OSM)

San Juan Island, WA

°F

5 pmSunny4mphN

Thu, October 9, 20255:42 PM (GMT -07:00)

Climatic norm in San Juan Island, WA Oct 18

42°
49°
57°

minimum
average
maximum

Saturday Oct 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	47°	46°	48°	53°	56°	53°	49°
wind	2mph	3mph	3mph	4mph	5mph	5mph	4mph	3mph
pressure in	29.77	29.78	29.80	29.82	29.83	29.84	29.83	29.85

Friday Oct 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	47°	47°	49°	50°	51°	51°	50°
wind	4mph	5mph	7mph	10mph	15mph	21mph	20mph	16mph
pressure in	29.97	29.97	29.96	29.95	29.92	29.81	29.74	29.77

* San Juan Island, WA weather for October 18 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page San Juan Island, WA Weather for October 18, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on October 18 for previous years is presented.