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.
Today
54°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 54. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast for Circle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Chance Rain Showers | 0 to 5 mph SW | 30% |
| Tonight | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SW | 17% |
| Sunday | 48°F | Chance Rain Showers | 0 to 5 mph N | 34% |
| Sunday Night | 33°F | Chance Rain Showers | 0 to 5 mph NW | 40% |
| Monday | 47°F | Rain Showers Likely | 0 mph | 56% |
| Monday Night | 36°F | Rain Showers Likely | 0 mph | 63% |
| Tuesday | 45°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SW | 34% |
| Tuesday Night | 25°F | Mostly Cloudy | 0 to 5 mph SW | 3% |
| Wednesday | 44°F | Partly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 24°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 48°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Thursday Night | 27°F | Partly Cloudy | 5 mph SE | 8% |
| Friday | 51°F | Partly Sunny | 5 mph SE | 8% |
| Friday Night | 29°F | Mostly Cloudy | 5 mph S | 14% |
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 Sep 19, 2026.