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Current weather in Umatilla is few clouds.

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

Now · 3:10 AM

Umatilla Weather & Hourly Forecast

United States · Oregon · 97882

56°F

Mostly clear night

Feels like: 55°F

💧 Humidity 77% 🌡 Pressure 30.15 inHg 💨 Wind 0 mph 👁 Visibility 20.1 mi ☁ Clouds 37% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Umatilla

Today

4:00 AM

Mostly clear night

54° 💧 None 💨 0 mph H 81%30.15 inHg

7:00 AM

Mostly cloudy

52° 💧 None 💨 0 mph H 91%30.18 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 0 mph H 59%30.24 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 2 mph H 36%30.21 inHg

4:00 PM

Sunny

79° 💧 None 💨 2 mph H 26%30.15 inHg

7:00 PM

Sunny

75° 💧 None 💨 1 mph H 37%30.15 inHg

10:00 PM

Clear night

68° 💧 None 💨 1 mph H 53%30.18 inHg

Tomorrow

1:00 AM

Clear night

60° 💧 None 💨 1 mph H 74%30.21 inHg

4:00 AM

Fog at night

53° 💧 None 💨 2 mph H 91%30.21 inHg

7:00 AM

Fog

52° 💧 None 💨 1 mph H 97%30.24 inHg

10:00 AM

Sunny

67° 💧 None 💨 0 mph H 54%30.24 inHg

1:00 PM

Sunny

80° 💧 None 💨 2 mph H 32%30.15 inHg

4:00 PM

Sunny

86° 💧 None 💨 3 mph H 24%30.06 inHg

7:00 PM

Sunny

80° 💧 None 💨 1 mph H 35%30.00 inHg

10:00 PM

Clear night

72° 💧 None 💨 1 mph H 44%30.00 inHg

Thursday

1:00 AM

Clear night

64° 💧 None 💨 1 mph H 68%29.97 inHg

Today

4:00 AM

Mostly clear night

54° 💧 None 💨 0 mph H 81%30.15 inHg

5:00 AM

Mostly clear night

53° 💧 None 💨 0 mph H 85%30.18 inHg

6:00 AM

Mostly cloudy night

52° 💧 None 💨 0 mph H 89%30.18 inHg

7:00 AM

Mostly cloudy

52° 💧 None 💨 0 mph H 91%30.18 inHg

8:00 AM

Mostly cloudy

54° 💧 None 💨 1 mph H 87%30.21 inHg

9:00 AM

Mostly sunny

59° 💧 None 💨 1 mph H 71%30.21 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 0 mph H 59%30.24 inHg

11:00 AM

Mostly cloudy

69° 💧 None 💨 1 mph H 50%30.21 inHg

12:00 PM

Partly cloudy

72° 💧 None 💨 2 mph H 42%30.21 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 2 mph H 36%30.21 inHg

2:00 PM

Sunny

77° 💧 None 💨 1 mph H 32%30.21 inHg

3:00 PM

Sunny

79° 💧 None 💨 2 mph H 28%30.18 inHg

4:00 PM

Sunny

79° 💧 None 💨 2 mph H 26%30.15 inHg

5:00 PM

Sunny

79° 💧 None 💨 2 mph H 24%30.15 inHg

6:00 PM

Sunny

78° 💧 None 💨 1 mph H 25%30.15 inHg

7:00 PM

Sunny

75° 💧 None 💨 1 mph H 37%30.15 inHg

8:00 PM

Clear night

72° 💧 None 💨 0 mph H 41%30.15 inHg

9:00 PM

Clear night

70° 💧 None 💨 1 mph H 47%30.18 inHg

10:00 PM

Clear night

68° 💧 None 💨 1 mph H 53%30.18 inHg

11:00 PM

Clear night

64° 💧 None 💨 1 mph H 61%30.18 inHg

Tomorrow

12:00 AM

Clear night

61° 💧 None 💨 1 mph H 70%30.18 inHg

1:00 AM

Clear night

60° 💧 None 💨 1 mph H 74%30.21 inHg

2:00 AM

Partly cloudy night

56° 💧 None 💨 2 mph H 82%30.21 inHg

3:00 AM

Partly cloudy night

54° 💧 None 💨 1 mph H 88%30.21 inHg

4:00 AM

Fog at night

53° 💧 None 💨 2 mph H 91%30.21 inHg

5:00 AM

Fog at night

53° 💧 None 💨 2 mph H 95%30.21 inHg

6:00 AM

Fog at night

52° 💧 None 💨 1 mph H 97%30.24 inHg

7:00 AM

Fog

52° 💧 None 💨 1 mph H 97%30.24 inHg

8:00 AM

Fog

55° 💧 None 💨 2 mph H 91%30.24 inHg

9:00 AM

Sunny

60° 💧 None 💨 1 mph H 73%30.24 inHg

10:00 AM

Sunny

67° 💧 None 💨 0 mph H 54%30.24 inHg

11:00 AM

Sunny

72° 💧 None 💨 1 mph H 44%30.21 inHg

12:00 PM

Sunny

77° 💧 None 💨 2 mph H 37%30.18 inHg

1:00 PM

Sunny

80° 💧 None 💨 2 mph H 32%30.15 inHg

2:00 PM

Sunny

83° 💧 None 💨 3 mph H 28%30.12 inHg

3:00 PM

Sunny

85° 💧 None 💨 3 mph H 25%30.09 inHg

4:00 PM

Sunny

86° 💧 None 💨 3 mph H 24%30.06 inHg

5:00 PM

Sunny

86° 💧 None 💨 2 mph H 24%30.03 inHg

6:00 PM

Sunny

84° 💧 None 💨 2 mph H 26%30.03 inHg

7:00 PM

Sunny

80° 💧 None 💨 1 mph H 35%30.00 inHg

8:00 PM

Clear night

77° 💧 None 💨 1 mph H 38%30.00 inHg

9:00 PM

Clear night

75° 💧 None 💨 0 mph H 43%30.00 inHg

10:00 PM

Clear night

72° 💧 None 💨 1 mph H 44%30.00 inHg

11:00 PM

Clear night

69° 💧 None 💨 0 mph H 51%30.00 inHg

Thursday

12:00 AM

Clear night

67° 💧 None 💨 0 mph H 58%29.97 inHg

1:00 AM

Clear night

64° 💧 None 💨 1 mph H 68%29.97 inHg

2:00 AM

Clear night

62° 💧 None 💨 1 mph H 78%29.94 inHg

3:00 AM

Clear night

61° 💧 None 💨 1 mph H 82%29.94 inHg

4:00 AM

Clear night

61° 💧 None 💨 0 mph H 82%29.94 inHg

5:00 AM

Clear night

61° 💧 None 💨 1 mph H 81%29.94 inHg

6:00 AM

Mostly clear night

61° 💧 None 💨 2 mph H 79%29.94 inHg

7:00 AM

Mostly sunny

61° 💧 None 💨 2 mph H 77%29.91 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 2 mph H 70%29.94 inHg

9:00 AM

Sunny

69° 💧 None 💨 3 mph H 57%29.94 inHg

10:00 AM

Partly cloudy

75° 💧 None 💨 7 mph H 42%29.91 inHg

11:00 AM

Mostly cloudy

79° 💧 None 💨 10 mph H 34%29.88 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 11 mph H 32%29.88 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 11 mph H 29%29.85 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 12 mph H 30%29.83 inHg

3:00 PM

Partly cloudy

87° 💧 None 💨 13 mph H 30%29.80 inHg

4:00 PM

Mostly cloudy

86° 💧 None 💨 16 mph H 29%29.77 inHg

5:00 PM

Mostly cloudy

84° 💧 None 💨 17 mph H 31%29.74 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 12 mph H 54%29.80 inHg

11:00 PM

Clear night

65° 💧 None 💨 8 mph H 53%29.85 inHg

Friday

2:00 AM

Clear night

56° 💧 None 💨 9 mph H 76%29.91 inHg

5:00 AM

Clear night

51° 💧 None 💨 7 mph H 87%29.97 inHg

8:00 AM

Sunny

53° 💧 None 💨 8 mph H 78%30.03 inHg

11:00 AM

Sunny

63° 💧 None 💨 9 mph H 47%30.03 inHg

2:00 PM

Partly cloudy

70° 💧 None 💨 7 mph H 33%30.00 inHg

5:00 PM

Overcast

70° 💧 None 💨 4 mph H 29%29.94 inHg

8:00 PM

Overcast night

64° 💧 None 💨 1 mph H 39%29.91 inHg

11:00 PM

Mostly cloudy night

62° 💧 None 💨 2 mph H 42%29.88 inHg

Saturday

2:00 AM

Mostly cloudy night

59° 💧 None 💨 1 mph H 47%29.85 inHg

5:00 AM

Overcast night

56° 💧 None 💨 1 mph H 55%29.83 inHg

8:00 AM

Mostly sunny

57° 💧 None 💨 2 mph H 53%29.80 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 4 mph H 38%29.77 inHg

2:00 PM

Overcast

69° 💧 None 💨 11 mph H 33%29.74 inHg

5:00 PM

Partly cloudy

71° 💧 None 💨 11 mph H 30%29.74 inHg

8:00 PM

Mostly clear night

58° 💧 None 💨 9 mph H 69%29.83 inHg

11:00 PM

Light rain

54° 💧 None 💨 9 mph H 83%29.88 inHg

Sunday

2:00 AM

Light rain

53° 💧 None 💨 6 mph H 95%29.94 inHg

5:00 AM

Overcast night

53° 💧 None 💨 7 mph H 99%29.97 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 7 mph H 95%30.03 inHg

11:00 AM

Mostly sunny

64° 💧 None 💨 9 mph H 58%30.09 inHg

2:00 PM

Mostly sunny

71° 💧 None 💨 8 mph H 44%30.06 inHg

5:00 PM

Sunny

72° 💧 None 💨 6 mph H 40%30.03 inHg

11:00 PM

Clear night

58° 💧 None 💨 4 mph H 78%30.09 inHg

Monday

5:00 AM

Clear night

53° 💧 None 💨 1 mph H 87%30.09 inHg

11:00 AM

Sunny

66° 💧 None 💨 2 mph H 52%30.09 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 32%29.94 inHg

11:00 PM

Clear night

64° 💧 None 💨 5 mph H 55%29.94 inHg

Tuesday

5:00 AM

Mostly clear night

57° 💧 None 💨 1 mph H 72%29.97 inHg

11:00 AM

Sunny

71° 💧 None 💨 1 mph H 41%30.00 inHg

5:00 PM

Sunny

79° 💧 None 💨 3 mph H 26%29.91 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 46%29.88 inHg

Wednesday

5:00 AM

Clear night

57° 💧 None 💨 1 mph H 76%29.88 inHg

11:00 AM

Sunny

71° 💧 None 💨 3 mph H 44%29.91 inHg

5:00 PM

Sunny

80° 💧 None 💨 7 mph H 28%29.85 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 42%29.91 inHg

Thursday

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 61%29.97 inHg

11:00 AM

Sunny

69° 💧 None 💨 4 mph H 35%30.06 inHg

5:00 PM

Sunny

77° 💧 None 💨 7 mph H 28%29.94 inHg

11:00 PM

Clear night

65° 💧 None 💨 2 mph H 48%29.94 inHg

Friday

5:00 AM

Clear night

56° 💧 None 💨 2 mph H 86%29.94 inHg

11:00 AM

Sunny

69° 💧 None 💨 10 mph H 46%29.97 inHg

5:00 PM

Sunny

69° 💧 None 💨 23 mph H 29%30.00 inHg

11:00 PM

Clear night

57° 💧 None 💨 13 mph H 63%30.18 inHg

Saturday

5:00 AM

Clear night

53° 💧 None 💨 9 mph H 82%30.24 inHg

11:00 AM

Sunny

63° 💧 None 💨 9 mph H 51%30.30 inHg

5:00 PM

Sunny

70° 💧 None 💨 3 mph H 33%30.18 inHg

11:00 PM

Clear night

61° 💧 None 💨 1 mph H 47%30.21 inHg

Sunday

5:00 AM

Clear night

54° 💧 None 💨 1 mph H 62%30.21 inHg

11:00 AM

Sunny

70° 💧 None 💨 5 mph H 35%30.27 inHg

5:00 PM

Sunny

78° 💧 None 💨 10 mph H 25%30.15 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 38%30.18 inHg

Monday

5:00 AM

Clear night

58° 💧 None 💨 5 mph H 56%30.21 inHg

11:00 AM

Sunny

71° 💧 None 💨 4 mph H 37%30.27 inHg

5:00 PM

Sunny

82° 💧 None 💨 7 mph H 23%30.12 inHg

11:00 PM

Clear night

70° 💧 None 💨 3 mph H 33%30.12 inHg

Tuesday

5:00 AM

Clear night

60° 💧 None 💨 0 mph H 54%30.12 inHg

11:00 AM

Sunny

76° 💧 None 💨 3 mph H 29%30.12 inHg

5:00 PM

Sunny

87° 💧 None 💨 6 mph H 18%29.94 inHg

In Umatilla and, more broadly, across the state of Oregon: Clear skies are expected through the evening hours, with temperatures remaining cool, falling between 52 and 57 degrees Fahrenheit. Winds will be light, coming from the north at no more than 4 mph, with gusts up to 2 mph. No precipitation is anticipated during this period, providing a calm and dry evening. Temperatures will gradually decline as night progresses, so it might feel a bit cooler later on. Overall, conditions will be stable and tranquil, making for a quiet night ahead.

15-Day Weather Outlook for Umatilla

TomorrowTomorrow

Partly cloudy 85°/52° 💧 None 💨 3 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 84°/62° 💧 0.005 in 💨 12 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 82°/50° 💧 0.003 in 💨 18 mph

Saturday, Sep 12Sat Sep 12

Light rain 70°/58° 💧 0.025 in 💨 15 mph

Sunday, Sep 13Sun Sep 13

Light rain 65°/57° 💧 0.146 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 68°/52° 💧 0.207 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 73°/54° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Sunny 76°/57° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 75°/54° 💧 None 💨 12 mph

Friday, Sep 18Fri Sep 18

Sunny 77°/57° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Sunny 82°/63° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Light rain 78°/59° 💧 0.029 in 💨 5 mph

Monday, Sep 21Mon Sep 21

Light rain 77°/57° 💧 0.020 in 💨 14 mph

Tuesday, Sep 22Tue Sep 22

Overcast 71°/54° 💧 0.013 in 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Umatilla

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Umatilla

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 AM

PM2.5 Fine particles Good 1,7µg/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 2,0µg/m³

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

O₃ Ozone Fair 69,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,4µg/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 Umatilla

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 5,4Moderate 🙂Fair

Tomorrow UV 6,0High 🙂Fair

Thursday UV 5,7Moderate 😐Moderate

Friday UV 4,7Moderate 🙂Fair

Saturday UV 5,0Moderate 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,3 10:00 AMUV 2,5 11:00 AMUV 3,9 12:00 PMUV 5,0 1:00 PMUV 5,4 2:00 PMUV 4,9 3:00 PMUV 3,8 4:00 PMUV 2,5 5:00 PMUV 1,2 6:00 PMUV 0,4

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.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Umatilla

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · UMATILLA, OREGON

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

83/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:09 PM–4:42 AM

☁ Cloud cover 23% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waning Crescent · Moon about 15° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min73%

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

UPCOMING

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 Umatilla were last refreshed today at 3:10 AM. The current forecast period extends through 10/09/2026 at 1:00 AM. 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.