Grangeville, ID Weather & Growing Conditions
Overnight
50°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 50. Wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Chance Light Rain | 0 mph | 46% |
| Saturday | 71°F | Mostly Sunny | 0 to 3 mph NNW | 13% |
| Saturday Night | 48°F | Mostly Clear | 0 to 5 mph SSE | 4% |
| Sunday | 77°F | Sunny | 2 mph ENE | 0% |
| Sunday Night | 50°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Monday | 80°F | Sunny | 1 to 5 mph NW | 0% |
| Monday Night | 50°F | Mostly Clear | 3 mph SSE | 0% |
| Tuesday | 79°F | Sunny | 3 mph N | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 mph SE | 2% |
| Wednesday | 77°F | Sunny | 3 mph N | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 3 mph NNE | 2% |
| Thursday | 76°F | Mostly Sunny | 2 mph N | 3% |
| Thursday Night | 49°F | Partly Cloudy | 2 mph SE | 5% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grangeville, ID
Last spring frost
May 9
First fall frost
Oct 3
Growing season
146 days
Hardiness zone
6b
Explore more for Grangeville, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Grangeville, Id (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.