Tanana, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tanana, a city in Yukon-Koyukuk Census Area County, Alaska.
This Afternoon
54°F
Isolated Rain Showers
Isolated rain showers. Cloudy, with a high near 54. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Tanana
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Isolated Rain Showers | 5 mph E | 17% |
| Tonight | 39°F | Scattered Rain Showers | 0 to 5 mph E | 54% |
| Saturday | 51°F | Chance Rain Showers | 0 mph | 55% |
| Saturday Night | 33°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 55% |
| Sunday | 50°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph N | 15% |
| Sunday Night | 31°F | Mostly Cloudy | 5 to 10 mph NW | 13% |
| Monday | 45°F | Mostly Cloudy | 5 mph NW | 5% |
| Monday Night | 27°F | Mostly Cloudy | 0 to 5 mph W | 3% |
| Tuesday | 43°F | Mostly Cloudy | 0 to 5 mph W | 2% |
| Tuesday Night | 28°F | Mostly Cloudy | 0 to 5 mph SW | 2% |
| Wednesday | 43°F | Mostly Cloudy | 0 mph | 7% |
| Wednesday Night | 28°F | Mostly Cloudy then Isolated Rain And Snow Showers | 0 to 5 mph SE | 22% |
| Thursday | 45°F | Slight Chance Rain And Snow Showers | 5 mph E | 24% |
| Thursday Night | 31°F | Chance Rain Showers | 5 mph E | 33% |
Forecast source: National Weather Service (api.weather.gov) for Tanana (65.184, -152.055). Updated through the day.
Growing snapshot for Tanana
Last spring frost
May 29
First fall frost
Aug 28
Growing season
89 days
More local growing data for Tanana: nearby ZIP 99777 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
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Evansville
Four Mile Road
Galena
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Huslia
Kaltag
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Nenana
Nikolai
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Climate data from the nearest NOAA station, Tanana Calhoun Mem Ap, Ak (1.6 mi from Tanana). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.