Cottonwood, ID Weather & Growing Conditions
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 2 mph SE | 1% |
| Sunday | 74°F | Sunny | 3 mph ESE | 1% |
| Sunday Night | 53°F | Mostly Clear | 3 mph ESE | 0% |
| Monday | 78°F | Sunny | 3 mph SSW | 0% |
| Monday Night | 56°F | Mostly Clear | 3 mph ESE | 0% |
| Tuesday | 76°F | Sunny | 3 mph SSE | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 1 to 5 mph N | 8% |
| Wednesday | 71°F | Mostly Sunny | 1 to 5 mph WSW | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 1 to 6 mph NNE | 4% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph ENE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 1 to 6 mph ENE | 6% |
| Friday | 67°F | Mostly Sunny | 1 to 6 mph WNW | 7% |
| Friday Night | 46°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 7 mph NW | 16% |
| Saturday | 61°F | Partly Sunny | 5 mph N | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cottonwood, ID
Last spring frost
May 6
First fall frost
Oct 13
Growing season
156 days
Hardiness zone
6b
Explore more for Cottonwood, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Cottonwood 2 Wsw, Id (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.