Preston, ID Weather & Growing Conditions
Today
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. Northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Cloudy | 7 mph NW | 7% |
| Tonight | 35°F | Areas Of Fog | 3 mph ENE | 2% |
| Thursday | 47°F | Areas Of Fog then Slight Chance Light Rain | 2 to 6 mph SSW | 22% |
| Thursday Night | 35°F | Slight Chance Light Rain then Areas Of Fog | 3 mph SE | 22% |
| Friday | 47°F | Sunny | 6 mph SSW | 1% |
| Friday Night | 34°F | Partly Cloudy | 3 mph SE | 0% |
| Saturday | 51°F | Sunny | 3 mph SSE | 0% |
| Saturday Night | 37°F | Mostly Clear | 5 mph SE | 0% |
| Sunday | 56°F | Sunny | 3 to 7 mph S | 0% |
| Sunday Night | 41°F | Partly Cloudy | 5 mph SE | 0% |
| Monday | 57°F | Mostly Sunny | 5 mph SSE | 0% |
| Monday Night | 42°F | Mostly Cloudy | 3 mph ESE | 0% |
| Tuesday | 56°F | Mostly Sunny | 2 to 6 mph S | 1% |
| Tuesday Night | 41°F | Partly Cloudy | 3 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Preston, ID
Last spring frost
May 16
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
6a
Explore more for Preston, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Preston, Id (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.