Zyistra Lake Weather Forecast
- 46
- 59
Rain Likely
- 48
- 62
Rain
- 45
- 61
Rain
- 42
- 59
Rain
- 40
- 57
Rain
- 40
- 56
Rain
- 40
- 56
Rain Likely
Today 22 Oct San Juan County
Areas of fog in the morning. Mostly cloudy in the Morning, then a slight chance of rain early in the afternoon. Mostly cloudy with a chance of rain late in the afternoon. Highs in the mid 50s to lower 60s. Southeast wind to 10 Mph becoming south around 10 Mph in the afternoon.
Tonight 22 Oct San Juan County
Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain in the Evening, then a chance of rain in the late evening and early morning. Rain likely late in the night. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid 40s to lower 50s. Light wind becoming southeast 10 to 15 Mph after midnight.
Zyistra Lake Temperature Statistics
October Temperature
Friday Harbor Airport (2.5 miles)
Lowest 15 October, 2025
37 °FAverage October
51.6 °FHighest 5 October, 2025
64.9 °F
Climate (2020–Present)
Friday Harbor Airport (2.5 miles)
Average Low 2020–2025
44.3 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
59.5 °F