Thorne Bay, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thorne Bay, a city in Prince Of Wales-Hyder Census Area County, Alaska.
Today
70°F
Mostly Sunny
Mostly sunny, with a high near 70. Northwest wind 5 to 10 mph.
7-day forecast for Thorne Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Tonight | 53°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Wednesday | 72°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 10 mph NW | 0% |
| Thursday | 74°F | Partly Sunny | 5 mph NW | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph NW | 6% |
| Friday | 71°F | Slight Chance Rain Showers | 0 to 5 mph W | 20% |
| Friday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph W | 20% |
| Saturday | 70°F | Slight Chance Rain Showers | 0 to 5 mph W | 18% |
| Saturday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph W | 15% |
| Sunday | 70°F | Partly Sunny | 0 to 5 mph NW | 3% |
| Sunday Night | 53°F | Mostly Cloudy | 0 to 5 mph W | 0% |
| Monday | 71°F | Partly Sunny | 0 to 5 mph SE | 12% |
| Monday Night | 53°F | Mostly Cloudy | 0 to 5 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov) for Thorne Bay (55.667, -132.536). Updated through the day.
Growing snapshot for Thorne Bay
Last spring frost
May 1
First fall frost
Oct 13
Growing season
166 days
More local growing data for Thorne Bay: nearby ZIP 99919 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Coffman Cove
Craig
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Hollis
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Hyder
Kake
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Klawock
Metlakatla
Naukati Bay
Point Baker
Port Alexander
Port Protection
Saxman
Whale Pass
Climate data from the nearest NOAA station, Thorne Bay, Ak (3.4 mi from Thorne Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.