Tonsina, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tonsina, a community in Copper River Census Area County, Alaska.
This Afternoon
38°F
Rain And Snow
Rain and snow. Cloudy, with a high near 38. East wind 5 to 10 mph. Chance of precipitation is 100%.
7-day forecast for Tonsina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 38°F | Rain And Snow | 5 to 10 mph E | 99% |
| Tonight | 32°F | Light Snow | 10 to 25 mph SE | 100% |
| Saturday | 38°F | Light Snow Likely then Snow Showers Likely | 15 to 25 mph S | 63% |
| Saturday Night | 30°F | Snow Showers Likely then Light Snow Likely | 10 to 15 mph SE | 67% |
| Sunday | 37°F | Light Snow Likely then Chance Snow Showers | 0 to 10 mph SE | 70% |
| Sunday Night | 29°F | Rain And Snow Showers | 0 to 10 mph SE | 83% |
| Monday | 35°F | Snow Showers | 10 to 15 mph S | 83% |
| Monday Night | 24°F | Slight Chance Snow Showers | 5 to 15 mph S | 23% |
| Tuesday | 36°F | Mostly Cloudy | 5 mph SW | 12% |
| Tuesday Night | 24°F | Mostly Cloudy | 0 to 5 mph W | 11% |
| Wednesday | 36°F | Partly Sunny | 0 to 5 mph SW | 11% |
| Wednesday Night | 24°F | Mostly Cloudy then Slight Chance Snow Showers | 5 to 10 mph S | 18% |
| Thursday | 37°F | Slight Chance Snow Showers | 10 mph S | 18% |
| Thursday Night | 26°F | Chance Snow Showers | 10 to 15 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Tonsina (61.530, -145.110). Updated through the day.
Growing snapshot for Tonsina
Growing season
72 days
More local growing data for Tonsina: nearby ZIP 99573 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tonsina, Ak (17.4 mi from Tonsina). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.