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.
Overnight
35°F
Slight Chance Light Rain
A slight chance of rain after 3am. Mostly cloudy, with a low around 35. Northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
7-day forecast for South Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Slight Chance Light Rain | 15 to 20 mph NE | 21% |
| Wednesday | 41°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Wednesday Night | 29°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph NE | 24% |
| Thursday | 40°F | Partly Sunny | 10 mph NE | 3% |
| Thursday Night | 28°F | Partly Cloudy | 15 mph NE | 0% |
| Friday | 36°F | Partly Sunny | 10 mph NE | 1% |
| Friday Night | 27°F | Mostly Cloudy | 5 to 10 mph NE | 10% |
| Saturday | 35°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Saturday Night | 23°F | Mostly Cloudy | 0 mph | 2% |
| Sunday | 32°F | Partly Sunny | 0 mph | 2% |
| Sunday Night | 24°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Monday | 34°F | Mostly Cloudy | 5 mph NE | 9% |
| Monday Night | 26°F | Mostly Cloudy | 5 mph NE | 11% |
| Tuesday | 36°F | Partly Sunny | 5 mph NE | 11% |
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 Nov 4, 2026.