Weather information for the San Juan Islands area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 45 | 48 | 52 | 56 | 62 | 67 | 71 | 72 | 67 | 58 | 50 | 46 |
| Avg. Low | 36 | 38 | 38 | 41 | 45 | 48 | 51 | 52 | 48 | 45 | 40 | 37 |
| Avg. Precip. | 2.4 | 1.6 | 1.9 | 1.7 | 1.6 | 1.3 | 0.9 | 0.9 | 1.3 | 1.5 | 2.7 | 3.3 |
Tonight
Rain
Monday
Showers And Thunderstorms Likely
Monday Night
Showers And Thunderstorms Likely then Chance Light Rain
Tuesday
Light Rain Likely
Tuesday Night
Slight Chance Light Rain
Wednesday
Slight Chance Light Rain
Detailed Forecast |
|
|---|---|
| Tonight | Rain. Mostly cloudy. Low around 38, with temperatures rising to around 40 overnight. South southeast wind 5 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Monday | Rain likely before 11am, then showers and thunderstorms likely. Mostly sunny. High near 50, with temperatures falling to around 47 in the afternoon. Southwest wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night | Showers and thunderstorms likely before 11pm, then a chance of rain. Mostly cloudy, with a low around 37. Southwest wind 2 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday | Rain likely. Mostly cloudy, with a high near 49. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night | A slight chance of rain before 5am. Mostly cloudy, with a low around 35. Southwest wind 2 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday | A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 49. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night | Mostly cloudy, with a low around 35. |
| Thursday | Mostly cloudy, with a high near 48. |
| Thursday Night | A slight chance of rain after 5am. Mostly cloudy, with a low around 34. |
| Friday | A slight chance of rain. Partly sunny, with a high near 50. |
| Friday Night | A slight chance of rain. Partly cloudy, with a low around 35. |
| Saturday | A chance of rain. Mostly sunny, with a high near 52. |
| Saturday Night | A slight chance of rain. Mostly cloudy, with a low around 36. |
| Sunday | A slight chance of rain. Partly sunny, with a high near 53. |
