Fossil, OR Weather & Growing Conditions
Overnight
52°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 52. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Areas Of Smoke | 3 mph E | 0% |
| Tuesday | 83°F | Areas Of Smoke | 2 to 13 mph NE | 0% |
| Tuesday Night | 57°F | Areas Of Smoke | 3 to 13 mph E | 0% |
| Wednesday | 91°F | Areas Of Smoke | 2 to 9 mph NE | 0% |
| Wednesday Night | 61°F | Patchy Smoke then Mostly Clear | 3 to 9 mph NE | 0% |
| Thursday | 95°F | Sunny | 2 to 12 mph W | 0% |
| Thursday Night | 64°F | Mostly Clear | 2 to 12 mph W | 0% |
| Friday | 92°F | Sunny | 2 to 12 mph W | 0% |
| Friday Night | 61°F | Mostly Clear | 2 to 12 mph W | 0% |
| Saturday | 87°F | Sunny | 2 to 13 mph W | 0% |
| Saturday Night | 59°F | Mostly Clear | 2 to 13 mph W | 0% |
| Sunday | 82°F | Sunny | 2 to 12 mph W | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 12 mph W | 0% |
| Monday | 81°F | Sunny | 2 to 12 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fossil, OR
Last spring frost
Jun 3
First fall frost
Sep 14
Growing season
98 days
Hardiness zone
7a
Explore more for Fossil, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Fossil, Or (11.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.