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
-2°F
Mostly Cloudy
Mostly cloudy. Low around -2, with temperatures rising to around 4 overnight. West wind around 0 mph.
7-day forecast for Circle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | -2°F | Mostly Cloudy | 0 mph | 3% |
| Wednesday | 18°F | Slight Chance Light Snow | 0 mph | 21% |
| Wednesday Night | 3°F | Mostly Cloudy | 0 mph | 12% |
| Thursday | 19°F | Mostly Cloudy | 0 mph | 5% |
| Thursday Night | 5°F | Mostly Cloudy | 0 to 5 mph SW | 11% |
| Friday | 18°F | Mostly Cloudy | 0 mph | 11% |
| Friday Night | 3°F | Mostly Cloudy then Slight Chance Light Snow | 0 mph | 19% |
| Saturday | 18°F | Chance Light Snow | 0 to 5 mph N | 44% |
| Saturday Night | 3°F | Chance Light Snow | 0 to 5 mph N | 28% |
| Sunday | 15°F | Chance Light Snow | 0 mph | 25% |
| Sunday Night | 1°F | Mostly Cloudy | 0 mph | 12% |
| Monday | 12°F | Slight Chance Light Snow | 0 mph | 16% |
| Monday Night | 0°F | Mostly Cloudy then Slight Chance Light Snow | 0 to 5 mph NW | 16% |
| Tuesday | 12°F | Chance Light Snow | 0 mph | 39% |
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 Nov 4, 2026.