South Lakes, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Lakes, a community in Matanuska-Susitna Borough County, Alaska.
Today
53°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 53. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.
7-day forecast for South Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Chance Rain Showers | 5 to 10 mph NE | 49% |
| Tonight | 42°F | Chance Rain Showers then Cloudy | 0 to 5 mph NE | 49% |
| Sunday | 55°F | Slight Chance Light Rain then Chance Rain Showers | 0 to 5 mph SW | 25% |
| Sunday Night | 40°F | Rain Showers Likely | 0 to 10 mph S | 63% |
| Monday | 52°F | Rain Showers Likely | 0 to 5 mph SE | 63% |
| Monday Night | 34°F | Mostly Cloudy | 5 mph SE | 20% |
| Tuesday | 53°F | Partly Sunny | 0 to 5 mph N | 4% |
| Tuesday Night | 35°F | Mostly Cloudy | 0 to 5 mph NE | 3% |
| Wednesday | 51°F | Partly Sunny | 0 mph | 0% |
| Wednesday Night | 34°F | Mostly Cloudy | 0 to 5 mph E | 3% |
| Thursday | 54°F | Partly Sunny | 5 to 10 mph E | 14% |
| Thursday Night | 38°F | Chance Rain Showers | 10 to 15 mph E | 41% |
| Friday | 54°F | Chance Rain Showers | 15 mph E | 41% |
| Friday Night | 37°F | Chance Rain Showers | 10 to 15 mph E | 37% |
Forecast source: National Weather Service (api.weather.gov) for South Lakes (61.588, -149.316). Updated through the day.
Growing snapshot for South Lakes
Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days
More local growing data for South Lakes: nearby ZIP 99654 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Big Lake
Buffalo Soapstone
Butte
Chase
Chickaloon
Farm Loop
Fishhook
Gateway
Glacier View
Houston
Knik-Fairview
Lazy Mountain
Meadow Lakes
North Lakes
Palmer
Petersville
Point MacKenzie
Susitna
Susitna North
Sutton-Alpine
Talkeetna
Tanaina
Trapper Creek
Wasilla
Willow
Climate data from the nearest NOAA station, Anderson Lake, Ak (3 mi from South Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.