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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

WhenTempForecastWindPrecip
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

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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.