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Current weather in Sisters is overcast clouds.

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Weather data for Sisters is updated regularly with the latest available observations and forecasts.

Now · 3:47 PM

Sisters Weather & Hourly Forecast

United States · Oregon · 97759

79°F

Overcast

Feels like: 76°F

💧 Humidity 25% 🌡 Pressure 29.85 inHg 💨 Wind 0 mph 👁 Visibility 33.4 mi ☁ Clouds 98% ☀️ UV index 3.6 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sisters

Today

4:00 PM

Overcast

79° 💧 0.001 in 💨 0 mph H 25%29.85 inHg

7:00 PM

Overcast

65° 💧 None 💨 9 mph H 65%29.88 inHg

10:00 PM

Mostly cloudy night

54° 💧 None 💨 6 mph H 87%29.94 inHg

Tomorrow

1:00 AM

Mostly clear night

51° 💧 None 💨 6 mph H 84%29.94 inHg

4:00 AM

Mostly clear night

51° 💧 None 💨 5 mph H 82%29.97 inHg

7:00 AM

Overcast

50° 💧 None 💨 5 mph H 84%30.00 inHg

10:00 AM

Overcast

60° 💧 None 💨 5 mph H 56%30.00 inHg

1:00 PM

Sunny

69° 💧 None 💨 9 mph H 37%29.97 inHg

4:00 PM

Sunny

68° 💧 None 💨 11 mph H 38%29.94 inHg

7:00 PM

Sunny

57° 💧 None 💨 12 mph H 62%30.00 inHg

10:00 PM

Clear night

47° 💧 None 💨 4 mph H 88%30.06 inHg

Wednesday

1:00 AM

Overcast night

43° 💧 None 💨 3 mph H 89%30.09 inHg

4:00 AM

Mostly cloudy night

40° 💧 None 💨 2 mph H 76%30.06 inHg

7:00 AM

Overcast

41° 💧 None 💨 3 mph H 67%30.09 inHg

10:00 AM

Mostly cloudy

57° 💧 None 💨 2 mph H 42%30.12 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 32%30.06 inHg

Today

4:00 PM

Overcast

79° 💧 None 💨 0 mph H 25%29.85 inHg

5:00 PM

Overcast

76° 💧 0.000 in 💨 7 mph H 33%29.85 inHg

6:00 PM

Overcast

70° 💧 0.000 in 💨 10 mph H 54%29.88 inHg

7:00 PM

Overcast

65° 💧 None 💨 9 mph H 65%29.88 inHg

8:00 PM

Overcast night

61° 💧 None 💨 8 mph H 74%29.91 inHg

9:00 PM

Overcast night

57° 💧 None 💨 7 mph H 84%29.94 inHg

10:00 PM

Mostly cloudy night

54° 💧 None 💨 6 mph H 87%29.94 inHg

11:00 PM

Mostly cloudy night

52° 💧 None 💨 6 mph H 87%29.97 inHg

Tomorrow

12:00 AM

Mostly cloudy night

52° 💧 None 💨 5 mph H 85%29.94 inHg

1:00 AM

Mostly clear night

51° 💧 None 💨 6 mph H 84%29.94 inHg

2:00 AM

Clear night

51° 💧 None 💨 6 mph H 84%29.97 inHg

3:00 AM

Clear night

51° 💧 None 💨 5 mph H 82%29.97 inHg

4:00 AM

Mostly clear night

51° 💧 None 💨 5 mph H 82%29.97 inHg

5:00 AM

Mostly clear night

50° 💧 None 💨 5 mph H 83%29.97 inHg

6:00 AM

Mostly cloudy night

50° 💧 None 💨 4 mph H 85%29.97 inHg

7:00 AM

Overcast

50° 💧 None 💨 5 mph H 84%30.00 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 5 mph H 75%30.00 inHg

9:00 AM

Mostly cloudy

57° 💧 None 💨 4 mph H 64%30.00 inHg

10:00 AM

Overcast

60° 💧 None 💨 5 mph H 56%30.00 inHg

11:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 49%29.97 inHg

12:00 PM

Sunny

66° 💧 None 💨 7 mph H 40%29.97 inHg

1:00 PM

Sunny

69° 💧 None 💨 9 mph H 37%29.97 inHg

2:00 PM

Sunny

69° 💧 None 💨 11 mph H 36%29.94 inHg

3:00 PM

Sunny

69° 💧 None 💨 12 mph H 36%29.94 inHg

4:00 PM

Sunny

68° 💧 None 💨 11 mph H 38%29.94 inHg

5:00 PM

Sunny

66° 💧 None 💨 13 mph H 44%29.94 inHg

6:00 PM

Sunny

62° 💧 None 💨 14 mph H 52%29.97 inHg

7:00 PM

Sunny

57° 💧 None 💨 12 mph H 62%30.00 inHg

8:00 PM

Clear night

53° 💧 None 💨 9 mph H 70%30.03 inHg

9:00 PM

Clear night

50° 💧 None 💨 5 mph H 79%30.03 inHg

10:00 PM

Clear night

47° 💧 None 💨 4 mph H 88%30.06 inHg

11:00 PM

Mostly clear night

45° 💧 None 💨 4 mph H 92%30.09 inHg

Wednesday

12:00 AM

Mostly cloudy night

44° 💧 None 💨 4 mph H 92%30.09 inHg

1:00 AM

Overcast night

43° 💧 None 💨 3 mph H 89%30.09 inHg

2:00 AM

Mostly cloudy night

42° 💧 None 💨 2 mph H 85%30.09 inHg

3:00 AM

Clear night

41° 💧 None 💨 2 mph H 80%30.06 inHg

4:00 AM

Mostly cloudy night

40° 💧 None 💨 2 mph H 76%30.06 inHg

5:00 AM

Overcast night

40° 💧 None 💨 3 mph H 71%30.09 inHg

6:00 AM

Overcast night

40° 💧 None 💨 3 mph H 68%30.09 inHg

7:00 AM

Overcast

41° 💧 None 💨 3 mph H 67%30.09 inHg

8:00 AM

Overcast

45° 💧 None 💨 3 mph H 63%30.09 inHg

9:00 AM

Mostly cloudy

52° 💧 None 💨 1 mph H 52%30.12 inHg

10:00 AM

Mostly cloudy

57° 💧 None 💨 2 mph H 42%30.12 inHg

11:00 AM

Mostly cloudy

61° 💧 None 💨 3 mph H 37%30.09 inHg

12:00 PM

Mostly cloudy

64° 💧 None 💨 4 mph H 34%30.09 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 32%30.06 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 4 mph H 30%30.03 inHg

3:00 PM

Partly cloudy

69° 💧 None 💨 4 mph H 29%30.00 inHg

4:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 27%29.97 inHg

5:00 PM

Partly cloudy

70° 💧 None 💨 3 mph H 26%29.97 inHg

6:00 PM

Partly cloudy

68° 💧 None 💨 3 mph H 31%29.97 inHg

7:00 PM

Mostly cloudy

60° 💧 None 💨 3 mph H 46%29.97 inHg

8:00 PM

Overcast night

55° 💧 None 💨 4 mph H 59%30.00 inHg

9:00 PM

Mostly cloudy night

52° 💧 None 💨 4 mph H 71%30.00 inHg

10:00 PM

Partly cloudy night

49° 💧 None 💨 2 mph H 78%30.00 inHg

11:00 PM

Mostly cloudy night

50° 💧 None 💨 1 mph H 73%30.00 inHg

Thursday

12:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 70%30.00 inHg

1:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 68%30.00 inHg

2:00 AM

Clear night

50° 💧 None 💨 1 mph H 67%30.00 inHg

3:00 AM

Clear night

49° 💧 None 💨 1 mph H 66%29.97 inHg

4:00 AM

Mostly clear night

49° 💧 None 💨 1 mph H 64%29.97 inHg

5:00 AM

Mostly clear night

48° 💧 None 💨 0 mph H 63%29.97 inHg

8:00 AM

Mostly sunny

51° 💧 None 💨 1 mph H 65%29.97 inHg

11:00 AM

Partly cloudy

63° 💧 None 💨 5 mph H 40%29.91 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 7 mph H 28%29.80 inHg

5:00 PM

Mostly cloudy

80° 💧 None 💨 6 mph H 24%29.71 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 5 mph H 43%29.71 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 3 mph H 62%29.77 inHg

Friday

2:00 AM

Overcast night

54° 💧 None 💨 2 mph H 70%29.74 inHg

5:00 AM

Overcast night

53° 💧 None 💨 1 mph H 69%29.74 inHg

8:00 AM

Moderate rain

53° 💧 None 💨 2 mph H 88%29.77 inHg

11:00 AM

Light rain

59° 💧 None 💨 2 mph H 57%29.77 inHg

2:00 PM

Mostly cloudy

58° 💧 None 💨 12 mph H 49%29.83 inHg

5:00 PM

Light rain

50° 💧 None 💨 2 mph H 71%29.88 inHg

8:00 PM

Light rain

47° 💧 None 💨 1 mph H 85%30.03 inHg

11:00 PM

Partly cloudy night

46° 💧 None 💨 1 mph H 89%30.09 inHg

Saturday

2:00 AM

Mostly clear night

43° 💧 None 💨 6 mph H 85%30.12 inHg

5:00 AM

Mostly cloudy night

37° 💧 None 💨 2 mph H 94%30.15 inHg

8:00 AM

Partly cloudy

38° 💧 None 💨 2 mph H 93%30.18 inHg

11:00 AM

Mostly sunny

52° 💧 None 💨 2 mph H 46%30.12 inHg

2:00 PM

Mostly cloudy

57° 💧 None 💨 5 mph H 32%30.06 inHg

5:00 PM

Overcast

57° 💧 None 💨 4 mph H 29%30.00 inHg

8:00 PM

Overcast night

50° 💧 None 💨 2 mph H 54%30.03 inHg

11:00 PM

Overcast night

46° 💧 None 💨 2 mph H 63%30.06 inHg

Sunday

2:00 AM

Mostly clear night

42° 💧 None 💨 1 mph H 62%30.03 inHg

5:00 AM

Mostly cloudy night

42° 💧 None 💨 0 mph H 59%30.00 inHg

11:00 AM

Sunny

54° 💧 None 💨 3 mph H 46%30.03 inHg

5:00 PM

Mostly sunny

62° 💧 None 💨 11 mph H 29%29.94 inHg

11:00 PM

Mostly clear night

41° 💧 None 💨 2 mph H 70%30.00 inHg

Monday

5:00 AM

Overcast night

41° 💧 None 💨 1 mph H 58%30.00 inHg

11:00 AM

Partly cloudy

57° 💧 None 💨 5 mph H 35%29.94 inHg

5:00 PM

Partly cloudy

63° 💧 None 💨 11 mph H 38%29.85 inHg

11:00 PM

Mostly cloudy night

45° 💧 None 💨 1 mph H 81%29.88 inHg

Tuesday

5:00 AM

Overcast night

43° 💧 None 💨 1 mph H 85%29.83 inHg

11:00 AM

Light rain

52° 💧 None 💨 6 mph H 80%29.85 inHg

5:00 PM

Overcast

55° 💧 None 💨 8 mph H 52%29.85 inHg

11:00 PM

Partly cloudy night

43° 💧 None 💨 4 mph H 84%29.94 inHg

Wednesday

5:00 AM

Mostly clear night

35° 💧 None 💨 2 mph H 89%29.97 inHg

11:00 AM

Mostly sunny

52° 💧 None 💨 2 mph H 49%30.03 inHg

5:00 PM

Mostly cloudy

59° 💧 None 💨 2 mph H 40%29.91 inHg

11:00 PM

Clear night

41° 💧 None 💨 2 mph H 77%29.94 inHg

Thursday

5:00 AM

Overcast night

40° 💧 None 💨 1 mph H 71%29.88 inHg

11:00 AM

Mostly cloudy

52° 💧 None 💨 5 mph H 49%29.83 inHg

5:00 PM

Light rain

55° 💧 None 💨 3 mph H 62%29.80 inHg

11:00 PM

Partly cloudy night

44° 💧 None 💨 10 mph H 78%30.03 inHg

Friday

5:00 AM

Partly cloudy night

38° 💧 None 💨 3 mph H 87%30.21 inHg

11:00 AM

Sunny

50° 💧 None 💨 4 mph H 55%30.30 inHg

5:00 PM

Sunny

56° 💧 None 💨 6 mph H 34%30.21 inHg

11:00 PM

Clear night

43° 💧 None 💨 1 mph H 61%30.24 inHg

Saturday

5:00 AM

Mostly clear night

37° 💧 None 💨 1 mph H 63%30.24 inHg

11:00 AM

Mostly sunny

51° 💧 None 💨 4 mph H 52%30.21 inHg

5:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 38%30.00 inHg

11:00 PM

Mostly clear night

50° 💧 None 💨 0 mph H 61%30.03 inHg

Sunday

5:00 AM

Clear night

46° 💧 None 💨 0 mph H 64%30.00 inHg

11:00 AM

Sunny

61° 💧 None 💨 3 mph H 49%29.97 inHg

5:00 PM

Sunny

73° 💧 None 💨 11 mph H 27%29.85 inHg

11:00 PM

Clear night

48° 💧 None 💨 4 mph H 68%30.00 inHg

Monday

5:00 AM

Clear night

43° 💧 None 💨 2 mph H 83%30.06 inHg

11:00 AM

Sunny

63° 💧 None 💨 4 mph H 46%30.09 inHg

5:00 PM

Sunny

73° 💧 None 💨 6 mph H 27%30.03 inHg

11:00 PM

Partly cloudy night

54° 💧 None 💨 1 mph H 61%30.12 inHg

Tuesday

5:00 AM

Mostly clear night

48° 💧 None 💨 0 mph H 56%30.15 inHg

In Sisters and, more broadly, across the state of Oregon: As the afternoon progresses into the evening, mostly cloudy skies will persist with mild temperatures ranging from the mid-40s to low 70s. Light northwest winds are expected, blowing up to 6 mph, with occasional gusts reaching 16 mph. No precipitation is forecasted during this time, so dry conditions will continue into the night. Temperatures will gradually decline as evening sets in, maintaining a comfortable but slightly cooler atmosphere. The gentle breeze should provide a subtle refreshing feel without causing any significant wind-related effects. Overall, it will be a calm and mild evening with mostly cloudy skies and no weather disturbances expected.

15-Day Weather Outlook for Sisters

TomorrowTomorrow

Mostly cloudy 69°/45° 💧 None 💨 14 mph

Wednesday, Sep 23Wed Sep 23

Mostly cloudy 71°/40° 💧 None 💨 5 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 80°/48° 💧 0.002 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Moderate rain 59°/46° 💧 0.364 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 57°/37° 💧 0.002 in 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 62°/41° 💧 None 💨 11 mph

Monday, Sep 28Mon Sep 28

Overcast 63°/41° 💧 None 💨 11 mph

Tuesday, Sep 29Tue Sep 29

Light rain 55°/43° 💧 0.044 in 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 59°/35° 💧 None 💨 2 mph

Thursday, Oct 1Thu Oct 1

Light rain 55°/40° 💧 0.201 in 💨 10 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 56°/38° 💧 0.002 in 💨 6 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 64°/37° 💧 None 💨 4 mph

Sunday, Oct 4Sun Oct 4

Sunny 73°/46° 💧 None 💨 11 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 73°/43° 💧 None 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 48°/48° 💧 None 💨 0 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sisters

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sisters

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 4,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 64,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Sisters

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,1Moderate 🙂Fair

Tomorrow UV 5,3Moderate 🙂Fair

Wednesday UV 5,2Moderate 🙂Fair

Thursday UV 4,0Moderate 🙂Fair

Friday UV 4,5Moderate 🙂Fair

Saturday UV 5,0Moderate —Unavailable

Sunday UV 3,0Moderate —Unavailable

Hourly UV index today

4:00 PMUV 2,2 5:00 PMUV 1,0 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Sisters

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SISTERS, OREGON

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:43 PM–5:16 AM

☁ Cloud cover 9% Real hourly forecast for the best viewing hour.

☾ Moonlight 81% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 76° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Sisters were last refreshed today at 3:47 PM. The current forecast period extends through 23/09/2026 at 1:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.