Altamont, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altamont, a community in Klamath County, Oregon.
Today
96°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 96. Northwest wind 3 to 8 mph.
7-day forecast for Altamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Areas Of Smoke | 3 to 8 mph NW | 0% |
| Tonight | 54°F | Areas Of Smoke | 1 to 7 mph NNW | 0% |
| Wednesday | 98°F | Sunny | 1 to 12 mph WSW | 0% |
| Wednesday Night | 56°F | Clear | 0 to 12 mph NW | 0% |
| Thursday | 98°F | Sunny | 0 to 8 mph WSW | 0% |
| Thursday Night | 56°F | Clear | 0 to 8 mph NW | 0% |
| Friday | 97°F | Sunny | 0 to 9 mph W | 0% |
| Friday Night | 55°F | Clear | 1 to 10 mph NW | 0% |
| Saturday | 95°F | Sunny | 1 to 15 mph NW | 0% |
| Saturday Night | 52°F | Clear | 2 to 15 mph NW | 0% |
| Sunday | 91°F | Sunny | 2 to 14 mph NW | 0% |
| Sunday Night | 50°F | Clear | 2 to 14 mph NW | 0% |
| Monday | 89°F | Sunny | 1 to 13 mph NW | 0% |
| Monday Night | 48°F | Clear | 1 to 13 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Altamont (42.198, -121.725). Updated through the day.
Growing snapshot for Altamont
Last spring frost
Jun 9
First fall frost
Sep 18
Growing season
99 days
Hardiness zone
6b
More local growing data for Altamont: nearby ZIP 97603 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Beatty
Beaver Marsh
Bly
Bonanza
Chemult
Chiloquin
Crescent
Crescent Lake
Falcon Heights
Fort Klamath
Gilchrist
Keno
Klamath Falls
Malin
Merrill
Oregon Shores
Rocky Point
Running Y Ranch
Sprague River
Climate data from the nearest NOAA station, Klamath Falls Intl Ap, Or (3.2 mi from Altamont). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.