San Juan Island, WA 17 December Weather

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

San Juan Island, WA

°F

11 amCloudy6mphS

Tue, December 16, 202511:40 AM (GMT -08:00)

Climatic norm in San Juan Island, WA Dec 17

35°
40°
44°

minimum
average
maximum

Wednesday Dec 17 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	44°	44°	45°	46°	46°	44°	44°
wind	21mph	22mph	19mph	16mph	14mph	10mph	8mph	9mph
pressure in	29.16	29.25	29.42	29.60	29.72	29.78	29.80	29.79

Tuesday Dec 17 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	43°	43°	45°	46°	46°	45°	46°	48°
wind	6mph	8mph	10mph	12mph	18mph	14mph	16mph	17mph
pressure in	29.76	29.80	29.82	29.83	29.75	29.67	29.62	29.53

Sunday Dec 17 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	41°	41°	42°	46°	47°	44°	44°
wind	3mph	2mph	3mph	3mph	5mph	6mph	5mph	3mph
pressure in	29.99	30.00	29.97	29.96	29.92	29.85	29.80	29.75

* San Juan Island, WA weather for December 17 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 December 17, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 17 for previous years is presented.