San Juan Island, WA 4 January Weather

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

San Juan Island, WA

°F

2:30 amFog2mphW

Wed, December 31, 20253:28 AM (GMT -08:00)

Climatic norm in San Juan Island, WA Jan 4

35°
40°
45°

minimum
average
maximum

Sunday Jan 4 2026	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	45°	45°	44°	46°	46°	44°	43°
wind	9mph	9mph	9mph	8mph	8mph	8mph	6mph	5mph
pressure in	29.26	29.28	29.32	29.38	29.41	29.44	29.48	29.52

Saturday Jan 4 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	44°	45°	45°	47°	46°	46°	46°
wind	5mph	5mph	7mph	8mph	9mph	10mph	11mph	12mph
pressure in	29.64	29.67	29.70	29.74	29.74	29.72	29.71	29.72

Thursday Jan 4 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	46°	46°	46°	48°	49°	46°	46°
wind	5mph	6mph	12mph	13mph	13mph	13mph	11mph	8mph
pressure in	29.84	29.84	29.82	29.83	29.84	29.87	29.92	29.96

* San Juan Island, WA weather for January 4 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 January 4, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on January 4 for previous years is presented.