Island Park, ID Weather & Growing Conditions
Today
50°F
Partly Sunny
Partly sunny. High near 50, with temperatures falling to around 42 in the afternoon. West northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Partly Sunny | 3 mph WNW | 0% |
| Tonight | 25°F | Partly Cloudy | 2 mph S | 0% |
| Thursday | 41°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 7 mph S | 18% |
| Thursday Night | 27°F | Slight Chance Rain And Snow | 3 mph SSW | 18% |
| Friday | 38°F | Partly Sunny | 2 to 7 mph SSW | 1% |
| Friday Night | 23°F | Mostly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Saturday Night | 26°F | Partly Cloudy | 2 mph SSE | 0% |
| Sunday | 51°F | Mostly Sunny | 1 to 8 mph S | 1% |
| Sunday Night | 28°F | Partly Cloudy | 3 mph S | 1% |
| Monday | 51°F | Mostly Sunny | 1 to 5 mph S | 1% |
| Monday Night | 29°F | Mostly Cloudy | 2 mph SE | 1% |
| Tuesday | 49°F | Mostly Sunny | 1 to 6 mph S | 5% |
| Tuesday Night | 29°F | Partly Cloudy | 3 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Island Park, ID
Growing season
49 days
Hardiness zone
4a
Explore more for Island Park, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Island Park, Id (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.