Sisters, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sisters, a city in Deschutes County, Oregon.
Tonight
41°F
Mostly Clear
Mostly clear. Low around 41, with temperatures rising to around 44 overnight. West wind around 2 mph.
7-day forecast for Sisters
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Clear | 2 mph W | 0% |
| Saturday | 78°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 44°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 80°F | Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 46°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 81°F | Sunny | 0 to 5 mph N | 0% |
| Monday Night | 44°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Tuesday | 78°F | Sunny | 0 to 7 mph NW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 7 mph W | 0% |
| Wednesday | 75°F | Mostly Sunny | 0 to 6 mph NW | 1% |
| Wednesday Night | 40°F | Partly Cloudy | 0 to 6 mph NW | 1% |
| Thursday | 74°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Thursday Night | 40°F | Partly Cloudy | 0 to 5 mph NW | 8% |
| Friday | 68°F | Mostly Sunny | 0 to 7 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Sisters (44.292, -121.553). Updated through the day.
Growing snapshot for Sisters
Growing season
95 days
Hardiness zone
6b
More local growing data for Sisters: nearby ZIP 97703 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Bend
Crooked River Ranch
Deschutes River Woods
Eagle Crest
La Pine
Pronghorn
Redmond
Seventh Mountain
Sunriver
Terrebonne
Tetherow
Three Rivers
Tumalo
Climate data from the nearest NOAA station, Bend 7 Ne, Or (9.5 mi from Sisters). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.