Harman US

John Day, OR Weather & Growing Conditions

Overnight
28°F
Patchy Freezing Fog
Patchy freezing fog after 4am. Mostly clear, with a low around 28. Southeast wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 28°F Patchy Freezing Fog 2 mph SE 0%
Wednesday 56°F Patchy Freezing Fog then Sunny 1 mph W 1%
Wednesday Night 32°F Mostly Cloudy then Patchy Fog 3 mph SW 23%
Thursday 51°F Patchy Fog then Partly Sunny 0 to 3 mph NW 23%
Thursday Night 27°F Mostly Clear 0 to 8 mph E 0%
Friday 58°F Partly Sunny 0 to 8 mph S 0%
Friday Night 31°F Partly Cloudy 0 to 8 mph SE 0%
Saturday 64°F Mostly Sunny 3 to 8 mph SE 0%
Saturday Night 33°F Mostly Cloudy 6 to 17 mph SE 2%
Sunday 59°F Partly Sunny 0 to 8 mph S 3%
Sunday Night 32°F Mostly Cloudy 0 to 6 mph E 1%
Monday 60°F Partly Sunny 1 to 6 mph S 4%
Monday Night 33°F Mostly Cloudy 1 to 7 mph S 13%
Tuesday 58°F Slight Chance Rain Showers 2 to 7 mph S 15%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for John Day, OR

Last spring frost
May 28
First fall frost
Sep 18
Growing season
113 days
Hardiness zone
6b

Explore more for John Day, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, John Day, Or (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.