Delta Junction, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delta Junction, a city in Southeast Fairbanks Census Area County, Alaska.
Today
24°F
Sunny
Sunny, with a high near 24. East wind around 15 mph, with gusts as high as 30 mph.
7-day forecast for Delta Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 24°F | Sunny | 15 mph E | 0% |
| Tonight | 18°F | Partly Cloudy | 15 mph E | 1% |
| Wednesday | 31°F | Mostly Cloudy | 15 mph E | 5% |
| Wednesday Night | 16°F | Partly Cloudy | 10 to 15 mph E | 3% |
| Thursday | 26°F | Mostly Sunny | 10 mph E | 2% |
| Thursday Night | 13°F | Mostly Cloudy | 5 mph SE | 8% |
| Friday | 23°F | Slight Chance Light Snow | 0 to 5 mph SE | 22% |
| Friday Night | 12°F | Slight Chance Light Snow then Mostly Cloudy | 5 mph E | 21% |
| Saturday | 24°F | Mostly Cloudy | 5 mph E | 7% |
| Saturday Night | 9°F | Mostly Cloudy then Slight Chance Light Snow | 5 mph SE | 18% |
| Sunday | 20°F | Slight Chance Light Snow then Mostly Cloudy | 5 mph SE | 18% |
| Sunday Night | 9°F | Mostly Cloudy | 5 to 10 mph E | 3% |
| Monday | 20°F | Partly Sunny | 5 to 10 mph E | 5% |
| Monday Night | 8°F | Mostly Cloudy | 5 to 10 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov) for Delta Junction (64.057, -145.700). Updated through the day.
Growing snapshot for Delta Junction
Last spring frost
May 30
First fall frost
Aug 24
Growing season
84 days
More local growing data for Delta Junction: nearby ZIP 99737 weather · frost dates · planting calendar · Alaska frost dates
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Tok
Climate data from the nearest NOAA station, Dry Creek, Ak (26.6 mi from Delta Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.