Sisters, Oregon Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Sisters weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——88°51°—
- MondayJul 6Overcast——88°60°0°
- TuesdayJul 7Light Drizzle——88°55°0°
- WednesdayJul 8Overcast——79°49°-9°
- ThursdayJul 9Clear——84°48°+5°
- FridayJul 10Clear——84°50°0°
- SaturdayJul 11Overcast——83°48°-1°
AQI 21 (Good), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM2.5 at 4.7 µg/m³ (AQI 26) with a 1.00 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.7 µg/m³ (AQI 26) with a 1.00 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 1.00
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:29 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Sisters at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 97759
16-Day Forecast — Sisters
- Sun88°52°1%
- Mon88°60°8%
- Tue88°55°5%
- Wed79°49°0%
- Thu84°48°0%
- Fri84°50°0%
- Sat83°48°2%
- Sun87°49°1%
- Mon91°51°4%
- Tue96°58°5%
- Wed94°55°3%
- Thu89°63°6%
- Fri91°63°3%
- Sat94°60°6%
- Sun91°53°5%
- Mon84°52°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Sisters
- 97759