San Juan Island Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
48
50
52
54
56
58
60
62
64
66
Jun 15 – Jun 21
0.06
Lo:52
Wed, 18
Hi:59
15
Lo:49
Thu, 19
Hi:61
9
0.13
Lo:49
Fri, 20
Hi:59
6
0.37
Lo:50
Sat, 21
Hi:58
8
Jun 22 – Jun 28
Lo:50
Sun, 22
Hi:64
6
Lo:51
Mon, 23
Hi:65
7
Lo:50
Tue, 24
Hi:65
11
Lo:51
Wed, 25
Hi:62
10
Lo:51
Thu, 26
Hi:59
9
0.04
Lo:52
Fri, 27
Hi:60
9
0.02
Lo:52
Sat, 28
Hi:58
8
Jun 29 – Jul 5
0.06
Lo:53
Sun, 29
Hi:58
4
Lo:53
Mon, 30
Hi:60
9
Lo:51
Tue, 1
Hi:59
8
Lo:50
Wed, 2
Hi:59
7
Wed, Jun 18
59 / 52 °F
Sprinkles. Overcast.
Feels Like: 55 °F
Humidity: 75%
Precipitation: Rain: 0.06 Snow: 0
Precipitation Chance: 51%
W
Wind: 15 mph
2 Week Extended Forecast in San Juan Island, Washington, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed Jun 18 |  | 59 / 52 °F | Sprinkles. Overcast. | 55 °F | 15 mph | ↑ | 75% | 51% | 0.06" | 3 (Moderate) | 5:09 am | 9:17 pm |
| Thu Jun 19 |  | 61 / 49 °F | Overcast. | 60 °F | 9 mph | ↑ | 64% | 3% | 0.00" | 3 (Moderate) | 5:09 am | 9:17 pm |
| Fri Jun 20 | | 59 / 49 °F | Drizzle. Overcast. | 57 °F | 6 mph | ↑ | 72% | 61% | 0.13" | 3 (Moderate) | 5:10 am | 9:17 pm |
| Sat Jun 21 |  | 58 / 50 °F | Rain showers. Overcast. | 55 °F | 8 mph | ↑ | 80% | 74% | 0.37" | 3 (Moderate) | 5:10 am | 9:18 pm |
| Sun Jun 22 | | 64 / 50 °F | Cloudy. | 63 °F | 6 mph | ↑ | 71% | 0% | 0.00" | 3 (Moderate) | 5:10 am | 9:18 pm |
| Mon Jun 23 |  | 65 / 51 °F | Partly cloudy. | 64 °F | 7 mph | ↑ | 71% | 0% | 0.00" | 5 (Moderate) | 5:10 am | 9:18 pm |
| Tue Jun 24 | | 65 / 50 °F | Afternoon clouds. | 64 °F | 11 mph | ↑ | 69% | 0% | 0.00" | 7 (High) | 5:11 am | 9:18 pm |
| Wed Jun 25 | | 62 / 51 °F | Morning clouds. | 61 °F | 10 mph | ↑ | 75% | 5% | 0.00" | 5 (Moderate) | 5:11 am | 9:18 pm |
| Thu Jun 26 | | 59 / 51 °F | Cloudy. | 57 °F | 9 mph | ↑ | 86% | 6% | 0.00" | 3 (Moderate) | 5:12 am | 9:18 pm |
| Fri Jun 27 | | 60 / 52 °F | Sprinkles early. Overcast. | 57 °F | 9 mph | ↑ | 86% | 54% | 0.04" | 3 (Moderate) | 5:12 am | 9:18 pm |
| Sat Jun 28 | | 58 / 52 °F | Sprinkles late. Cloudy. | 56 °F | 8 mph | ↑ | 84% | 51% | 0.02" | 3 (Moderate) | 5:13 am | 9:18 pm |
| Sun Jun 29 |  | 58 / 53 °F | Tstorms early. Overcast. | 58 °F | 4 mph | ↑ | 81% | 54% | 0.06" | 3 (Moderate) | 5:13 am | 9:18 pm |
| Mon Jun 30 |  | 60 / 53 °F | Sunny. | 58 °F | 9 mph | ↑ | 70% | 5% | 0.00" | 7 (High) | 5:14 am | 9:17 pm |
| Tue Jul 1 | | 59 / 51 °F | Overcast. | 58 °F | 8 mph | ↑ | 71% | 6% | 0.00" | 3 (Moderate) | 5:14 am | 9:17 pm |
| Wed Jul 2 | | 59 / 50 °F | Overcast. | 58 °F | 7 mph | ↑ | 74% | 6% | 0.00" | 3 (Moderate) | 5:15 am | 9:17 pm |
| * Updated Wednesday, June 18, 2025 8:24:04 am San Juan Island time - Weather by CustomWeather, © 2025 | ||||||||||||