San Juan Island, WA 20 October Weather

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

San Juan Island, WA

°F

3 pmPartly Cloudy4mphNW

Thu, October 9, 20253:44 PM (GMT -07:00)

Climatic norm in San Juan Island, WA Oct 20

42°
49°
56°

minimum
average
maximum

Monday Oct 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	46°	46°	48°	52°	55°	53°	48°
wind	3mph	3mph	3mph	4mph	5mph	5mph	3mph	4mph
pressure in	29.92	29.93	29.93	29.92	29.91	29.87	29.82	29.77

Sunday Oct 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	53°	51°	51°	53°	57°	55°	52°	50°
wind	2mph	2mph	2mph	6mph	11mph	9mph	11mph	7mph
pressure in	29.80	29.76	29.66	29.60	29.52	29.51	29.61	29.70

* San Juan Island, WA weather for October 20 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 20, 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 20 for previous years is presented.