Onaway, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onaway, a city in Latah County, Idaho.
Today
83°F
Haze
Haze and areas of smoke before 4pm. Sunny, with a high near 83. North wind 1 to 6 mph.
7-day forecast for Onaway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Haze | 1 to 6 mph N | 0% |
| Tonight | 47°F | Patchy Smoke | 0 to 5 mph N | 0% |
| Wednesday | 89°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 50°F | Patchy Smoke then Clear | 0 to 3 mph W | 0% |
| Thursday | 94°F | Sunny | 1 to 5 mph S | 0% |
| Thursday Night | 54°F | Clear | 0 to 5 mph W | 0% |
| Friday | 92°F | Sunny | 1 to 10 mph SW | 0% |
| Friday Night | 54°F | Clear | 1 to 9 mph SW | 0% |
| Saturday | 88°F | Sunny | 1 to 9 mph SW | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 8 mph SW | 0% |
| Sunday | 84°F | Sunny | 1 to 8 mph W | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 7 mph NW | 0% |
| Monday | 83°F | Sunny | 0 to 7 mph W | 0% |
| Monday Night | 49°F | Mostly Clear | 0 to 6 mph NW | 1% |
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 Aug 4, 2026.