Biggs Junction, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Biggs Junction, a community in Sherman County, Oregon.
This Afternoon
55°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Mostly cloudy. High near 55, with temperatures falling to around 51 in the afternoon. East wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Biggs Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Slight Chance Rain Showers | 3 mph E | 15% |
| Tonight | 39°F | Partly Cloudy | 2 mph W | 3% |
| Wednesday | 56°F | Mostly Sunny | 3 mph SW | 8% |
| Wednesday Night | 45°F | Rain Showers Likely | 5 mph W | 65% |
| Thursday | 57°F | Mostly Sunny | 5 to 8 mph W | 1% |
| Thursday Night | 45°F | Mostly Cloudy | 1 to 5 mph W | 6% |
| Friday | 56°F | Mostly Cloudy | 1 to 5 mph W | 6% |
| Friday Night | 45°F | Mostly Cloudy | 5 mph W | 3% |
| Saturday | 60°F | Partly Sunny | 5 mph E | 1% |
| Saturday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 2 to 8 mph N | 30% |
| Sunday | 58°F | Chance Rain Showers then Mostly Cloudy | 5 to 9 mph W | 30% |
| Sunday Night | 45°F | Mostly Cloudy | 5 mph NW | 12% |
| Monday | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph S | 16% |
| Monday Night | 46°F | Chance Rain Showers | 2 mph W | 27% |
Forecast source: National Weather Service (api.weather.gov) for Biggs Junction (45.664, -120.839). Updated through the day.
Growing snapshot for Biggs Junction
Last spring frost
May 19
First fall frost
Sep 25
Growing season
126 days
Hardiness zone
8a
More local growing data for Biggs Junction: nearby ZIP 97050 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Goldendale, Wa (9.7 mi from Biggs Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.