Onaway, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onaway, a city in Latah County, Idaho.
Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. Wind around 0 mph.
7-day forecast for Onaway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 0 mph | 1% |
| Saturday | 76°F | Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 47°F | Mostly Clear | 2 mph N | 2% |
| Sunday | 80°F | Sunny | 3 mph SE | 0% |
| Sunday Night | 48°F | Clear | 2 mph E | 0% |
| Monday | 81°F | Sunny | 5 mph S | 0% |
| Monday Night | 50°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Tuesday | 79°F | Sunny | 0 to 3 mph SW | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 0 to 3 mph NW | 1% |
| Wednesday | 74°F | Mostly Sunny | 0 to 6 mph W | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Thursday | 75°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 3 mph N | 9% |
| Friday | 70°F | Partly Sunny then Slight Chance Rain Showers | 0 to 6 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for Onaway (46.928, -116.890). Updated through the day.
Growing snapshot for Onaway
Last spring frost
May 15
First fall frost
Sep 21
Growing season
126 days
Hardiness zone
6b
More local growing data for Onaway: nearby ZIP 83855 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Potlatch 3 Nne, Id (2.9 mi from Onaway). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.