Harman US

Helix, OR Weather & Growing Conditions

This Afternoon
48°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Mostly cloudy. High near 48, with temperatures falling to around 42 in the afternoon. North wind 2 to 7 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 48°F Slight Chance Rain Showers 2 to 7 mph N 15%
Tonight 33°F Partly Cloudy 2 to 6 mph S 2%
Wednesday 50°F Sunny 5 mph S 1%
Wednesday Night 39°F Mostly Cloudy then Chance Rain Showers 2 to 9 mph S 37%
Thursday 53°F Slight Chance Rain Showers then Mostly Sunny 5 to 15 mph SW 20%
Thursday Night 37°F Partly Cloudy 7 mph S 6%
Friday 54°F Mostly Cloudy 3 to 7 mph S 6%
Friday Night 40°F Mostly Cloudy 6 mph S 4%
Saturday 58°F Partly Sunny 6 mph E 1%
Saturday Night 41°F Mostly Cloudy then Slight Chance Rain Showers 3 to 8 mph S 16%
Sunday 57°F Slight Chance Rain Showers 5 to 10 mph SW 17%
Sunday Night 39°F Mostly Cloudy 6 mph S 8%
Monday 52°F Mostly Cloudy 5 mph W 13%
Monday Night 39°F Mostly Cloudy then Slight Chance Rain Showers 2 to 6 mph S 20%

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

Growing snapshot for Helix, OR

Last spring frost
May 12
First fall frost
Sep 27
Growing season
135 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Pendleton Branch Exp Stn, Or (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.