Tyonek, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tyonek, a community in Kenai Peninsula Borough County, Alaska.
Today
52°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a high near 52. North wind 0 to 5 mph. Chance of precipitation is 80%.
7-day forecast for Tyonek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Rain Showers | 0 to 5 mph N | 75% |
| Tonight | 44°F | Rain Showers then Light Rain Likely | 5 to 10 mph N | 78% |
| Sunday | 56°F | Light Rain Likely then Chance Rain Showers | 5 to 10 mph N | 71% |
| Sunday Night | 42°F | Rain Showers Likely | 5 to 10 mph N | 64% |
| Monday | 50°F | Rain Showers | 0 to 5 mph E | 83% |
| Monday Night | 37°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 72% |
| Tuesday | 50°F | Slight Chance Rain Showers then Partly Sunny | 5 mph N | 23% |
| Tuesday Night | 36°F | Mostly Cloudy | 5 mph N | 4% |
| Wednesday | 50°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 36°F | Mostly Cloudy | 0 mph | 14% |
| Thursday | 50°F | Chance Rain Showers | 0 to 5 mph NE | 54% |
| Thursday Night | 40°F | Rain Showers | 5 to 10 mph E | 77% |
| Friday | 50°F | Rain Showers | 10 mph E | 80% |
| Friday Night | 41°F | Rain Showers | 5 to 10 mph E | 80% |
Forecast source: National Weather Service (api.weather.gov) for Tyonek (61.099, -151.339). Updated through the day.
Growing snapshot for Tyonek
Last spring frost
May 18
First fall frost
Sep 22
Growing season
125 days
More local growing data for Tyonek: nearby ZIP 99682 weather · frost dates · planting calendar · Alaska frost dates
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Climate data from the nearest NOAA station, Kenai 9N, Ak (36.3 mi from Tyonek). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.