Petersville, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petersville, a community in Matanuska-Susitna Borough County, Alaska.
Overnight
46°F
Heavy Rain
Rain. Cloudy, with a low around 46. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Petersville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Heavy Rain | 5 mph E | 100% |
| Tuesday | 50°F | Heavy Rain | 5 mph E | 100% |
| Tuesday Night | 45°F | Light Rain | 5 mph E | 86% |
| Wednesday | 52°F | Light Rain Likely | 0 to 5 mph E | 69% |
| Wednesday Night | 42°F | Light Rain | 0 to 5 mph E | 76% |
| Thursday | 54°F | Light Rain | 0 to 5 mph E | 76% |
| Thursday Night | 42°F | Chance Light Rain | 0 to 5 mph SE | 47% |
| Friday | 57°F | Chance Light Rain then Chance Rain Showers | 5 mph SE | 44% |
| Friday Night | 43°F | Slight Chance Rain Showers | 0 to 5 mph SE | 22% |
| Saturday | 62°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 17% |
| Saturday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NW | 17% |
| Sunday | 64°F | Slight Chance Rain Showers | 5 mph N | 17% |
| Sunday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NW | 21% |
| Monday | 64°F | Slight Chance Rain Showers | 5 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Petersville (62.453, -150.884). Updated through the day.
Growing snapshot for Petersville
Last spring frost
May 16
First fall frost
Sep 16
Growing season
122 days
More local growing data for Petersville: nearby ZIP 99683 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
Point MacKenzie
South Lakes
Susitna
Susitna North
Sutton-Alpine
Talkeetna
Tanaina
Trapper Creek
Wasilla
Willow
Climate data from the nearest NOAA station, Talkeetna Ap, Ak (12 mi from Petersville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.