Island Park, ID Weather & Growing Conditions
Tonight
38°F
Scattered Rain Showers
Scattered rain showers before 3am. Mostly cloudy. Low around 38, with temperatures rising to around 40 overnight. North wind around 1 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Scattered Rain Showers | 1 mph N | 30% |
| Sunday | 64°F | Mostly Sunny | 2 mph NNW | 4% |
| Sunday Night | 36°F | Partly Cloudy | 2 mph ENE | 5% |
| Monday | 70°F | Sunny | 3 mph SE | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Tuesday | 72°F | Mostly Sunny | 5 mph SSW | 0% |
| Tuesday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 0 to 3 mph SSE | 16% |
| Wednesday | 70°F | Mostly Sunny | 1 to 8 mph SSE | 9% |
| Wednesday Night | 41°F | Mostly Clear | 1 to 6 mph SE | 3% |
| Thursday | 73°F | Sunny | 2 to 8 mph SE | 2% |
| Thursday Night | 42°F | Mostly Clear | 1 to 5 mph E | 1% |
| Friday | 73°F | Mostly Sunny | 3 to 8 mph SE | 4% |
| Friday Night | 42°F | Partly Cloudy | 2 to 6 mph SSE | 10% |
| Saturday | 69°F | Mostly Sunny then Slight Chance Light Rain | 2 to 8 mph S | 15% |
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 (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.