Newhalen, AK Weather & Growing Conditions
Overnight
48°F
Heavy Rain
Rain. Cloudy. Low around 48, with temperatures rising to around 53 overnight. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Heavy Rain | 10 to 15 mph SE | 100% |
| Tuesday | 59°F | Light Rain | 5 to 10 mph SE | 79% |
| Tuesday Night | 48°F | Chance Light Rain | 0 to 5 mph SE | 53% |
| Wednesday | 63°F | Chance Light Rain | 0 to 10 mph E | 42% |
| Wednesday Night | 48°F | Chance Light Rain | 10 mph SE | 40% |
| Thursday | 62°F | Chance Light Rain | 5 to 10 mph SE | 34% |
| Thursday Night | 48°F | Chance Light Rain then Chance Rain Showers | 5 to 10 mph SE | 52% |
| Friday | 65°F | Chance Rain Showers | 5 to 10 mph SW | 26% |
| Friday Night | 50°F | Mostly Cloudy | 5 to 10 mph SW | 10% |
| Saturday | 69°F | Mostly Cloudy | 5 mph SW | 10% |
| Saturday Night | 51°F | Mostly Cloudy | 5 mph SW | 8% |
| Sunday | 70°F | Mostly Cloudy | 5 mph SW | 9% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 19% |
| Monday | 69°F | Slight Chance Rain Showers | 5 to 10 mph S | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Newhalen, AK
Last spring frost
May 10
First fall frost
Oct 1
Growing season
144 days
Explore more for Newhalen, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Iliamna Ap, Ak (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.