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

Now · 4:49 AM

Umatilla Weather & Hourly Forecast

United States · Oregon · 97882

56°F

Mostly cloudy night

Feels like: 55°F

💧 Humidity 69% 🌡 Pressure 30.03 inHg 💨 Wind 1 mph 👁 Visibility 25.5 mi ☁ Clouds 77% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:44 AM 🌇 Sunset 6:54 PM

Hourly Forecast for Umatilla

Today

5:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 69%30.03 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 2 mph H 68%30.06 inHg

11:00 AM

Mostly sunny

69° 💧 None 💨 5 mph H 41%30.06 inHg

2:00 PM

Overcast

75° 💧 None 💨 4 mph H 27%30.03 inHg

5:00 PM

Mostly cloudy

77° 💧 None 💨 3 mph H 23%29.97 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 1 mph H 31%29.97 inHg

11:00 PM

Overcast night

64° 💧 None 💨 2 mph H 41%29.97 inHg

Tomorrow

2:00 AM

Mostly clear night

58° 💧 None 💨 1 mph H 54%29.97 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 1 mph H 67%29.97 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 1 mph H 67%29.94 inHg

11:00 AM

Overcast

70° 💧 None 💨 1 mph H 40%29.91 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 26%29.80 inHg

5:00 PM

Mostly cloudy

81° 💧 None 💨 4 mph H 24%29.74 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 2 mph H 35%29.71 inHg

11:00 PM

Overcast night

68° 💧 None 💨 2 mph H 43%29.71 inHg

Friday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 4 mph H 49%29.74 inHg

Today

5:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 69%30.03 inHg

6:00 AM

Mostly cloudy night

55° 💧 None 💨 1 mph H 72%30.03 inHg

7:00 AM

Mostly cloudy

54° 💧 None 💨 1 mph H 76%30.06 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 2 mph H 68%30.06 inHg

9:00 AM

Overcast

61° 💧 None 💨 2 mph H 54%30.06 inHg

10:00 AM

Mostly cloudy

65° 💧 None 💨 5 mph H 47%30.09 inHg

11:00 AM

Mostly sunny

69° 💧 None 💨 5 mph H 41%30.06 inHg

12:00 PM

Mostly sunny

71° 💧 None 💨 5 mph H 35%30.06 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 5 mph H 31%30.03 inHg

2:00 PM

Overcast

75° 💧 None 💨 4 mph H 27%30.03 inHg

3:00 PM

Partly cloudy

76° 💧 None 💨 3 mph H 24%30.00 inHg

4:00 PM

Partly cloudy

77° 💧 None 💨 3 mph H 23%29.97 inHg

5:00 PM

Mostly cloudy

77° 💧 None 💨 3 mph H 23%29.97 inHg

6:00 PM

Partly cloudy

75° 💧 None 💨 3 mph H 24%29.97 inHg

7:00 PM

Mostly clear night

72° 💧 None 💨 1 mph H 29%29.97 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 1 mph H 31%29.97 inHg

9:00 PM

Mostly cloudy night

68° 💧 None 💨 1 mph H 33%30.00 inHg

10:00 PM

Overcast night

66° 💧 None 💨 2 mph H 37%29.97 inHg

11:00 PM

Overcast night

64° 💧 None 💨 2 mph H 41%29.97 inHg

Tomorrow

12:00 AM

Mostly cloudy night

62° 💧 None 💨 1 mph H 45%29.97 inHg

1:00 AM

Clear night

60° 💧 None 💨 2 mph H 48%29.97 inHg

2:00 AM

Mostly clear night

58° 💧 None 💨 1 mph H 54%29.97 inHg

3:00 AM

Mostly cloudy night

57° 💧 None 💨 1 mph H 61%29.97 inHg

4:00 AM

Mostly cloudy night

55° 💧 None 💨 2 mph H 65%29.97 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 1 mph H 67%29.97 inHg

6:00 AM

Partly cloudy night

54° 💧 None 💨 0 mph H 69%29.97 inHg

7:00 AM

Sunny

53° 💧 None 💨 0 mph H 71%29.94 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 1 mph H 67%29.94 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 1 mph H 58%29.94 inHg

10:00 AM

Mostly cloudy

65° 💧 None 💨 1 mph H 48%29.91 inHg

11:00 AM

Overcast

70° 💧 None 💨 1 mph H 40%29.91 inHg

12:00 PM

Overcast

74° 💧 None 💨 2 mph H 33%29.88 inHg

1:00 PM

Overcast

77° 💧 None 💨 3 mph H 28%29.83 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 26%29.80 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 24%29.77 inHg

4:00 PM

Mostly sunny

81° 💧 None 💨 5 mph H 23%29.77 inHg

5:00 PM

Mostly cloudy

81° 💧 None 💨 4 mph H 24%29.74 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 25%29.71 inHg

7:00 PM

Overcast night

75° 💧 None 💨 2 mph H 31%29.71 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 2 mph H 35%29.71 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 1 mph H 40%29.71 inHg

10:00 PM

Overcast night

70° 💧 None 💨 0 mph H 40%29.71 inHg

11:00 PM

Overcast night

68° 💧 None 💨 2 mph H 43%29.71 inHg

Friday

12:00 AM

Overcast night

66° 💧 None 💨 4 mph H 46%29.71 inHg

1:00 AM

Overcast night

67° 💧 None 💨 4 mph H 46%29.71 inHg

2:00 AM

Mostly cloudy night

66° 💧 None 💨 4 mph H 49%29.74 inHg

3:00 AM

Mostly cloudy night

64° 💧 None 💨 3 mph H 55%29.74 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 5 mph H 59%29.77 inHg

5:00 AM

Light rain

63° 💧 0.004 in 💨 4 mph H 65%29.77 inHg

6:00 AM

Light rain

61° 💧 0.019 in 💨 3 mph H 80%29.80 inHg

7:00 AM

Light rain

59° 💧 0.037 in 💨 6 mph H 86%29.77 inHg

8:00 AM

Light rain

59° 💧 0.010 in 💨 4 mph H 90%29.77 inHg

9:00 AM

Partly cloudy

60° 💧 0.001 in 💨 1 mph H 87%29.80 inHg

10:00 AM

Light rain

63° 💧 0.005 in 💨 3 mph H 78%29.80 inHg

11:00 AM

Mostly sunny

71° 💧 None 💨 12 mph H 48%29.80 inHg

12:00 PM

Sunny

72° 💧 None 💨 22 mph H 30%29.80 inHg

1:00 PM

Light rain

70° 💧 0.007 in 💨 27 mph H 35%29.85 inHg

2:00 PM

Partly cloudy

67° 💧 0.004 in 💨 26 mph H 36%29.88 inHg

3:00 PM

Mostly cloudy

66° 💧 None 💨 27 mph H 40%29.91 inHg

4:00 PM

Partly cloudy

65° 💧 None 💨 24 mph H 42%29.94 inHg

5:00 PM

Mostly sunny

64° 💧 None 💨 21 mph H 43%29.97 inHg

8:00 PM

Clear night

57° 💧 None 💨 17 mph H 58%30.06 inHg

11:00 PM

Clear night

52° 💧 None 💨 10 mph H 77%30.15 inHg

Saturday

2:00 AM

Mostly clear night

49° 💧 None 💨 7 mph H 84%30.18 inHg

5:00 AM

Overcast night

47° 💧 None 💨 4 mph H 87%30.18 inHg

8:00 AM

Mostly sunny

49° 💧 None 💨 2 mph H 81%30.21 inHg

11:00 AM

Mostly sunny

58° 💧 None 💨 4 mph H 51%30.18 inHg

2:00 PM

Overcast

64° 💧 None 💨 1 mph H 30%30.12 inHg

5:00 PM

Sunny

64° 💧 None 💨 7 mph H 32%30.06 inHg

8:00 PM

Mostly cloudy night

57° 💧 None 💨 5 mph H 41%30.03 inHg

11:00 PM

Overcast night

55° 💧 None 💨 6 mph H 46%30.00 inHg

Sunday

2:00 AM

Overcast night

55° 💧 None 💨 4 mph H 53%30.00 inHg

5:00 AM

Overcast night

53° 💧 None 💨 3 mph H 57%29.97 inHg

8:00 AM

Overcast

54° 💧 None 💨 2 mph H 57%30.00 inHg

11:00 AM

Overcast

62° 💧 None 💨 3 mph H 37%30.00 inHg

2:00 PM

Overcast

68° 💧 None 💨 4 mph H 27%29.97 inHg

5:00 PM

Sunny

68° 💧 None 💨 6 mph H 24%29.94 inHg

8:00 PM

Clear night

59° 💧 None 💨 3 mph H 39%29.97 inHg

11:00 PM

Clear night

54° 💧 None 💨 3 mph H 59%30.00 inHg

Monday

2:00 AM

Clear night

50° 💧 None 💨 1 mph H 79%30.03 inHg

5:00 AM

Mostly cloudy night

47° 💧 None 💨 2 mph H 84%30.09 inHg

8:00 AM

Overcast

50° 💧 None 💨 3 mph H 79%30.12 inHg

11:00 AM

Overcast

57° 💧 None 💨 5 mph H 53%30.15 inHg

2:00 PM

Mostly sunny

65° 💧 None 💨 6 mph H 34%30.09 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 29%30.06 inHg

11:00 PM

Clear night

56° 💧 None 💨 2 mph H 46%30.03 inHg

Tuesday

5:00 AM

Overcast night

51° 💧 None 💨 1 mph H 64%30.00 inHg

11:00 AM

Partly cloudy

62° 💧 None 💨 3 mph H 37%29.94 inHg

5:00 PM

Light rain

64° 💧 None 💨 10 mph H 43%29.88 inHg

11:00 PM

Mostly clear night

54° 💧 None 💨 6 mph H 87%29.94 inHg

Wednesday

5:00 AM

Partly cloudy night

49° 💧 None 💨 2 mph H 92%30.09 inHg

11:00 AM

Mostly sunny

58° 💧 None 💨 4 mph H 59%30.18 inHg

5:00 PM

Partly cloudy

65° 💧 None 💨 4 mph H 37%30.12 inHg

11:00 PM

Partly cloudy night

55° 💧 None 💨 6 mph H 48%30.09 inHg

Thursday

5:00 AM

Mostly clear night

47° 💧 None 💨 4 mph H 68%30.03 inHg

11:00 AM

Partly cloudy

60° 💧 None 💨 5 mph H 42%30.00 inHg

5:00 PM

Mostly cloudy

68° 💧 None 💨 4 mph H 29%29.91 inHg

11:00 PM

Overcast night

58° 💧 None 💨 1 mph H 44%29.97 inHg

Friday

5:00 AM

Clear night

49° 💧 None 💨 1 mph H 75%30.03 inHg

11:00 AM

Mostly cloudy

62° 💧 None 💨 3 mph H 52%30.06 inHg

5:00 PM

Overcast

70° 💧 None 💨 3 mph H 30%30.00 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 1 mph H 44%30.00 inHg

Saturday

5:00 AM

Overcast night

52° 💧 None 💨 1 mph H 78%30.03 inHg

11:00 AM

Partly cloudy

66° 💧 None 💨 2 mph H 53%30.06 inHg

5:00 PM

Partly cloudy

75° 💧 None 💨 3 mph H 30%29.97 inHg

11:00 PM

Clear night

64° 💧 None 💨 3 mph H 45%29.97 inHg

Sunday

5:00 AM

Mostly clear night

58° 💧 None 💨 0 mph H 56%29.97 inHg

11:00 AM

Sunny

70° 💧 None 💨 1 mph H 39%29.97 inHg

5:00 PM

Sunny

79° 💧 None 💨 4 mph H 25%29.85 inHg

11:00 PM

Clear night

65° 💧 None 💨 3 mph H 44%29.91 inHg

Monday

5:00 AM

Clear night

57° 💧 None 💨 1 mph H 61%30.00 inHg

11:00 AM

Sunny

72° 💧 None 💨 3 mph H 27%30.06 inHg

5:00 PM

Sunny

77° 💧 None 💨 7 mph H 21%30.00 inHg

11:00 PM

Clear night

64° 💧 None 💨 4 mph H 38%30.00 inHg

Tuesday

5:00 AM

Clear night

56° 💧 None 💨 3 mph H 54%30.03 inHg

11:00 AM

Sunny

69° 💧 None 💨 5 mph H 36%30.03 inHg

5:00 PM

Sunny

78° 💧 None 💨 6 mph H 26%29.88 inHg

11:00 PM

Clear night

67° 💧 None 💨 1 mph H 38%29.83 inHg

Wednesday

5:00 AM

Clear night

59° 💧 None 💨 0 mph H 50%29.83 inHg

11:00 AM

Sunny

72° 💧 None 💨 5 mph H 30%29.85 inHg

5:00 PM

Sunny

81° 💧 None 💨 13 mph H 19%29.80 inHg

In Umatilla and, more broadly, across the state of Oregon: Clear skies are expected throughout the evening, with temperatures gradually cooling from around 67 degrees to the low 60s. Winds will be light, coming from the southeast at no more than 1 mph, with occasional gusts up to 7 mph. No precipitation is anticipated during this time, making for a calm and dry night. Conditions will remain mild and comfortable, with clear views and gentle breezes.

15-Day Weather Outlook for Umatilla

TomorrowTomorrow

Mostly cloudy 81°/53° 💧 None 💨 5 mph

Friday, Sep 25Fri Sep 25

Light rain 72°/52° 💧 0.099 in 💨 27 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 64°/47° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Overcast 68°/53° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 67°/47° 💧 None 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Light rain 64°/51° 💧 0.215 in 💨 10 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 65°/49° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 68°/47° 💧 None 💨 5 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 70°/49° 💧 None 💨 3 mph

Saturday, Oct 3Sat Oct 3

Overcast 75°/52° 💧 None 💨 3 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 79°/58° 💧 None 💨 4 mph

Monday, Oct 5Mon Oct 5

Sunny 77°/57° 💧 None 💨 7 mph

Tuesday, Oct 6Tue Oct 6

Sunny 78°/56° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Sunny 81°/59° 💧 None 💨 13 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 5:00 AM

PM2.5 Fine particles Good 1,9µg/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 2,5µg/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 1,9µg/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 4,2Moderate 🙂Fair

Tomorrow UV 3,9Moderate 🙂Fair

Friday UV 4,0Moderate 🙂Fair

Saturday UV 4,3Moderate 🙂Fair

Sunday UV 4,0Moderate 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Local night-sky conditions and meteor activity for Jasper.

45/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 77% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 58° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 4:49 AM. The current forecast period extends through 25/09/2026 at 2:00 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.