Jack Island Weather Forecast
- 51
- 60
Rain Likely
- 48
- 58
Rain Likely
- 49
- 57
Rain Likely
- 51
- 60
Mostly Cloudy
- 51
- 60
Chance Rain
- 51
- 63
Chance Rain
- 51
- 64
Partly Sunny
Today 4 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of Showers in the morning. Highs in the 60s. South wind to 10 Mph becoming southwest in the afternoon.
Tonight 4 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain late in the night. Lows near 50. Southwest wind 10 to 15 Mph in the evening becoming light.
Jack Island Temperature Statistics
June Temperature
Burlington/Mount Vernon, Skagit Regional Airport (11.2 miles)
Lowest 1 June, 2026
42.8 °FAverage June
61.9 °FHighest 2 June, 2026
80.6 °F
Climate (2021–Present)
Burlington/Mount Vernon, Skagit Regional Airport (11.2 miles)
Average Low 2021–2026
43.8 °FAverage 2021–2026
51.3 °FAverage High 2021–2026
59.5 °F