Circle, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Circle, a community in Yukon-Koyukuk Census Area County, Alaska.
Overnight
50°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 50. South wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for Circle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Chance Rain Showers | 5 mph S | 25% |
| Tuesday | 78°F | Isolated Rain Showers then Mostly Cloudy | 5 mph S | 16% |
| Tuesday Night | 49°F | Mostly Cloudy | 0 to 5 mph S | 1% |
| Wednesday | 78°F | Partly Sunny | 0 to 5 mph SW | 6% |
| Wednesday Night | 52°F | Mostly Cloudy then Isolated Rain Showers | 0 to 5 mph NW | 19% |
| Thursday | 78°F | Isolated Showers And Thunderstorms | 0 to 5 mph W | 22% |
| Thursday Night | 50°F | Scattered Showers And Thunderstorms | 0 to 5 mph W | 36% |
| Friday | 72°F | Scattered Rain Showers | 0 to 5 mph W | 36% |
| Friday Night | 47°F | Scattered Rain Showers | 0 to 5 mph W | 25% |
| Saturday | 70°F | Isolated Rain Showers | 0 to 5 mph W | 22% |
| Saturday Night | 47°F | Isolated Rain Showers | 0 to 5 mph W | 20% |
| Sunday | 72°F | Isolated Rain Showers | 0 to 5 mph W | 20% |
| Sunday Night | 47°F | Isolated Rain Showers then Mostly Cloudy | 0 to 5 mph NW | 17% |
| Monday | 73°F | Partly Sunny | 0 to 5 mph N | 11% |
Forecast source: National Weather Service (api.weather.gov) for Circle (65.839, -144.175). Updated through the day.
Growing snapshot for Circle
Last spring frost
May 25
First fall frost
Aug 26
Growing season
92 days
More local growing data for Circle: nearby ZIP 99733 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Alatna
Allakaket
Aniak
Anvik
Arctic Village
Beaver
Bettles
Birch Creek
Central
Chalkyitsik
Chuathbaluk
Coldfoot
Evansville
Four Mile Road
Galena
Grayling
Holy Cross
Hughes
Huslia
Kaltag
Koyukuk
Lake Minchumina
Livengood
Manley Hot Springs
McGrath
Minto
Nenana
Nikolai
Nulato
Rampart
Climate data from the nearest NOAA station, Central #2, Ak (22.4 mi from Circle). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.