Whittier, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whittier, a city in Anchorage Municipality County, Alaska.
Overnight
41°F
Heavy Rain
Rain. Cloudy, with a low around 41. East wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Whittier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Heavy Rain | 20 to 25 mph E | 100% |
| Wednesday | 44°F | Widespread Rain Showers | 10 to 25 mph E | 100% |
| Wednesday Night | 39°F | Widespread Rain Showers | 10 mph E | 100% |
| Thursday | 44°F | Widespread Rain Showers | 5 to 10 mph N | 97% |
| Thursday Night | 35°F | Mostly Cloudy | 15 mph W | 5% |
| Friday | 37°F | Partly Sunny | 10 to 15 mph W | 10% |
| Friday Night | 35°F | Rain And Snow Likely | 5 to 10 mph W | 68% |
| Saturday | 39°F | Rain And Snow | 5 to 10 mph N | 85% |
| Saturday Night | 30°F | Chance Rain And Snow then Mostly Cloudy | 5 mph N | 44% |
| Sunday | 35°F | Slight Chance Light Snow | 5 mph N | 34% |
| Sunday Night | 32°F | Rain And Snow Likely | 5 mph N | 64% |
| Monday | 39°F | Rain And Snow | 5 mph NE | 75% |
| Monday Night | 33°F | Rain And Snow Likely | 5 mph E | 56% |
| Tuesday | 39°F | Rain And Snow Likely | 5 mph E | 59% |
Forecast source: National Weather Service (api.weather.gov) for Whittier (60.777, -148.664). Updated through the day.
Growing snapshot for Whittier
Last spring frost
May 8
First fall frost
Sep 29
Growing season
142 days
More local growing data for Whittier: nearby ZIP 99587 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alyeska, Ak (7.9 mi from Whittier). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.