Whittier, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whittier, a city in Anchorage Municipality County, Alaska.
Today
49°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a high near 49. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Whittier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Rain Showers | 10 to 15 mph E | 100% |
| Tonight | 43°F | Heavy Rain | 5 to 15 mph N | 100% |
| Sunday | 51°F | Light Rain then Rain Showers | 5 to 15 mph W | 100% |
| Sunday Night | 42°F | Rain Showers | 0 to 20 mph N | 100% |
| Monday | 50°F | Rain Showers | 0 to 10 mph E | 98% |
| Monday Night | 42°F | Cloudy then Rain Showers Likely | 5 to 10 mph E | 92% |
| Tuesday | 52°F | Rain Showers Likely | 5 to 10 mph N | 61% |
| Tuesday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph W | 19% |
| Wednesday | 52°F | Partly Sunny | 5 to 10 mph W | 10% |
| Wednesday Night | 42°F | Chance Rain Showers | 5 mph N | 34% |
| Thursday | 51°F | Rain Showers Likely | 5 mph E | 73% |
| Thursday Night | 45°F | Rain Showers | 5 to 10 mph E | 86% |
| Friday | 51°F | Rain Showers | 10 to 15 mph E | 91% |
| Friday Night | 45°F | Rain Showers | 15 mph E | 91% |
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 Sep 19, 2026.