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

Now · 8:00 PM

Walla Walla Weather & Hourly Forecast

United States · Washington · 99362

64°F

Clear night

Feels like: 62°F

💧 Humidity 54% 🌡 Pressure 30.06 inHg 💨 Wind 2 mph 👁 Visibility 24.9 mi ☁ Clouds 5% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Walla Walla

Today

9:00 PM

Clear night

60° 💧 None 💨 4 mph H 62%30.09 inHg

Tomorrow

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 64%30.09 inHg

3:00 AM

Overcast night

56° 💧 None 💨 3 mph H 67%30.12 inHg

6:00 AM

Clear night

54° 💧 None 💨 3 mph H 69%30.15 inHg

9:00 AM

Partly cloudy

64° 💧 None 💨 2 mph H 51%30.21 inHg

12:00 PM

Sunny

73° 💧 None 💨 4 mph H 38%30.21 inHg

3:00 PM

Sunny

78° 💧 None 💨 4 mph H 27%30.18 inHg

6:00 PM

Sunny

77° 💧 None 💨 2 mph H 27%30.15 inHg

9:00 PM

Clear night

63° 💧 None 💨 4 mph H 55%30.18 inHg

Wednesday

12:00 AM

Clear night

57° 💧 None 💨 3 mph H 72%30.21 inHg

3:00 AM

Clear night

56° 💧 None 💨 2 mph H 69%30.18 inHg

6:00 AM

Clear night

54° 💧 None 💨 2 mph H 71%30.21 inHg

9:00 AM

Sunny

67° 💧 None 💨 1 mph H 46%30.24 inHg

12:00 PM

Sunny

79° 💧 None 💨 3 mph H 28%30.18 inHg

3:00 PM

Partly cloudy

85° 💧 None 💨 3 mph H 22%30.09 inHg

6:00 PM

Sunny

83° 💧 None 💨 4 mph H 23%30.03 inHg

Today

9:00 PM

Clear night

60° 💧 None 💨 4 mph H 62%30.09 inHg

10:00 PM

Clear night

58° 💧 None 💨 5 mph H 66%30.09 inHg

11:00 PM

Clear night

58° 💧 None 💨 5 mph H 65%30.09 inHg

Tomorrow

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 64%30.09 inHg

1:00 AM

Clear night

57° 💧 None 💨 3 mph H 65%30.12 inHg

2:00 AM

Clear night

56° 💧 None 💨 3 mph H 66%30.12 inHg

3:00 AM

Overcast night

56° 💧 None 💨 3 mph H 67%30.12 inHg

4:00 AM

Overcast night

56° 💧 None 💨 3 mph H 67%30.15 inHg

5:00 AM

Clear night

56° 💧 None 💨 3 mph H 67%30.15 inHg

6:00 AM

Clear night

54° 💧 None 💨 3 mph H 69%30.15 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 3 mph H 69%30.18 inHg

8:00 AM

Partly cloudy

60° 💧 None 💨 2 mph H 60%30.21 inHg

9:00 AM

Partly cloudy

64° 💧 None 💨 2 mph H 51%30.21 inHg

10:00 AM

Partly cloudy

67° 💧 None 💨 4 mph H 46%30.21 inHg

11:00 AM

Sunny

70° 💧 None 💨 4 mph H 42%30.21 inHg

12:00 PM

Sunny

73° 💧 None 💨 4 mph H 38%30.21 inHg

1:00 PM

Sunny

75° 💧 None 💨 4 mph H 33%30.21 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 30%30.18 inHg

3:00 PM

Sunny

78° 💧 None 💨 4 mph H 27%30.18 inHg

4:00 PM

Sunny

78° 💧 None 💨 3 mph H 26%30.18 inHg

5:00 PM

Sunny

78° 💧 None 💨 3 mph H 26%30.18 inHg

6:00 PM

Sunny

77° 💧 None 💨 2 mph H 27%30.15 inHg

7:00 PM

Sunny

73° 💧 None 💨 1 mph H 37%30.15 inHg

8:00 PM

Clear night

69° 💧 None 💨 2 mph H 42%30.18 inHg

9:00 PM

Clear night

63° 💧 None 💨 4 mph H 55%30.18 inHg

10:00 PM

Clear night

59° 💧 None 💨 3 mph H 70%30.18 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 73%30.18 inHg

Wednesday

12:00 AM

Clear night

57° 💧 None 💨 3 mph H 72%30.21 inHg

1:00 AM

Clear night

57° 💧 None 💨 2 mph H 69%30.21 inHg

2:00 AM

Clear night

56° 💧 None 💨 2 mph H 69%30.18 inHg

3:00 AM

Clear night

56° 💧 None 💨 2 mph H 69%30.18 inHg

4:00 AM

Clear night

55° 💧 None 💨 2 mph H 69%30.21 inHg

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 70%30.21 inHg

6:00 AM

Clear night

54° 💧 None 💨 2 mph H 71%30.21 inHg

7:00 AM

Sunny

55° 💧 None 💨 3 mph H 67%30.21 inHg

8:00 AM

Sunny

61° 💧 None 💨 2 mph H 58%30.21 inHg

9:00 AM

Sunny

67° 💧 None 💨 1 mph H 46%30.24 inHg

10:00 AM

Sunny

71° 💧 None 💨 1 mph H 39%30.24 inHg

11:00 AM

Sunny

75° 💧 None 💨 3 mph H 33%30.21 inHg

12:00 PM

Sunny

79° 💧 None 💨 3 mph H 28%30.18 inHg

1:00 PM

Sunny

81° 💧 None 💨 3 mph H 25%30.15 inHg

2:00 PM

Sunny

83° 💧 None 💨 3 mph H 23%30.12 inHg

3:00 PM

Partly cloudy

85° 💧 None 💨 3 mph H 22%30.09 inHg

4:00 PM

Mostly sunny

85° 💧 None 💨 3 mph H 21%30.06 inHg

5:00 PM

Sunny

85° 💧 None 💨 2 mph H 21%30.06 inHg

6:00 PM

Sunny

83° 💧 None 💨 4 mph H 23%30.03 inHg

7:00 PM

Sunny

77° 💧 None 💨 5 mph H 29%30.03 inHg

8:00 PM

Clear night

73° 💧 None 💨 5 mph H 36%30.00 inHg

9:00 PM

Clear night

70° 💧 None 💨 5 mph H 42%30.00 inHg

10:00 PM

Clear night

68° 💧 None 💨 4 mph H 45%30.00 inHg

11:00 PM

Clear night

66° 💧 None 💨 3 mph H 46%29.97 inHg

Thursday

12:00 AM

Mostly clear night

66° 💧 None 💨 2 mph H 46%29.97 inHg

1:00 AM

Mostly clear night

66° 💧 None 💨 3 mph H 48%29.97 inHg

2:00 AM

Mostly clear night

66° 💧 None 💨 4 mph H 49%29.94 inHg

3:00 AM

Clear night

66° 💧 None 💨 5 mph H 47%29.94 inHg

4:00 AM

Clear night

66° 💧 None 💨 5 mph H 47%29.94 inHg

5:00 AM

Clear night

65° 💧 None 💨 5 mph H 48%29.91 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 12 mph H 31%29.83 inHg

5:00 PM

Partly cloudy

81° 💧 None 💨 13 mph H 32%29.77 inHg

8:00 PM

Heavy rain

66° 💧 None 💨 11 mph H 71%29.80 inHg

11:00 PM

Partly cloudy night

61° 💧 None 💨 10 mph H 81%29.88 inHg

Friday

2:00 AM

Clear night

55° 💧 None 💨 9 mph H 64%29.97 inHg

5:00 AM

Clear night

51° 💧 None 💨 9 mph H 64%30.03 inHg

8:00 AM

Mostly sunny

53° 💧 None 💨 9 mph H 60%30.06 inHg

11:00 AM

Partly cloudy

61° 💧 None 💨 8 mph H 47%30.03 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 37%29.97 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 3 mph H 33%29.91 inHg

8:00 PM

Mostly cloudy night

59° 💧 None 💨 3 mph H 49%29.88 inHg

11:00 PM

Mostly cloudy night

52° 💧 None 💨 3 mph H 61%29.85 inHg

Saturday

2:00 AM

Overcast night

54° 💧 None 💨 4 mph H 63%29.83 inHg

5:00 AM

Overcast night

53° 💧 None 💨 1 mph H 64%29.77 inHg

8:00 AM

Overcast

55° 💧 None 💨 1 mph H 61%29.74 inHg

11:00 AM

Light rain

59° 💧 None 💨 4 mph H 61%29.74 inHg

2:00 PM

Overcast

62° 💧 None 💨 6 mph H 53%29.74 inHg

5:00 PM

Overcast

60° 💧 None 💨 8 mph H 61%29.74 inHg

8:00 PM

Moderate rain

54° 💧 None 💨 4 mph H 96%29.80 inHg

11:00 PM

Light rain

53° 💧 None 💨 2 mph H 98%29.83 inHg

Sunday

2:00 AM

Light rain

53° 💧 None 💨 2 mph H 93%29.85 inHg

5:00 AM

Overcast night

52° 💧 None 💨 1 mph H 95%29.91 inHg

8:00 AM

Overcast

51° 💧 None 💨 3 mph H 89%30.00 inHg

11:00 AM

Overcast

54° 💧 None 💨 3 mph H 69%30.06 inHg

5:00 PM

Light rain

53° 💧 None 💨 6 mph H 90%30.15 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 2 mph H 48%30.12 inHg

Monday

5:00 AM

Clear night

55° 💧 None 💨 6 mph H 65%30.12 inHg

11:00 AM

Sunny

50° 💧 None 💨 4 mph H 71%30.12 inHg

5:00 PM

Sunny

67° 💧 None 💨 5 mph H 44%30.15 inHg

11:00 PM

Clear night

73° 💧 None 💨 7 mph H 34%30.03 inHg

Tuesday

5:00 AM

Clear night

53° 💧 None 💨 5 mph H 65%30.00 inHg

11:00 AM

Sunny

50° 💧 None 💨 2 mph H 74%30.00 inHg

5:00 PM

Sunny

67° 💧 None 💨 4 mph H 46%30.00 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 4 mph H 33%29.85 inHg

Wednesday

5:00 AM

Clear night

61° 💧 None 💨 5 mph H 56%29.85 inHg

11:00 AM

Sunny

61° 💧 None 💨 9 mph H 57%29.88 inHg

5:00 PM

Sunny

70° 💧 None 💨 9 mph H 44%29.91 inHg

11:00 PM

Clear night

74° 💧 None 💨 3 mph H 27%29.83 inHg

Thursday

5:00 AM

Mostly cloudy night

59° 💧 None 💨 2 mph H 57%29.83 inHg

11:00 AM

Mostly sunny

57° 💧 None 💨 2 mph H 55%29.85 inHg

5:00 PM

Sunny

65° 💧 None 💨 4 mph H 34%29.94 inHg

11:00 PM

Partly cloudy night

73° 💧 None 💨 1 mph H 31%29.88 inHg

Friday

5:00 AM

Clear night

59° 💧 None 💨 2 mph H 47%29.88 inHg

11:00 AM

Sunny

59° 💧 None 💨 1 mph H 57%29.91 inHg

5:00 PM

Sunny

72° 💧 None 💨 4 mph H 43%29.97 inHg

11:00 PM

Clear night

81° 💧 None 💨 6 mph H 35%29.88 inHg

Saturday

5:00 AM

Clear night

64° 💧 None 💨 4 mph H 60%29.88 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 2 mph H 62%29.85 inHg

5:00 PM

Partly cloudy

74° 💧 None 💨 4 mph H 46%29.88 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 3 mph H 46%29.80 inHg

Sunday

5:00 AM

Clear night

64° 💧 None 💨 2 mph H 81%29.83 inHg

11:00 AM

Sunny

61° 💧 None 💨 3 mph H 77%29.83 inHg

5:00 PM

Mostly sunny

71° 💧 None 💨 5 mph H 50%29.83 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 4 mph H 34%29.71 inHg

Monday

5:00 AM

Partly cloudy night

61° 💧 None 💨 11 mph H 67%29.85 inHg

11:00 AM

Overcast

55° 💧 None 💨 10 mph H 86%29.94 inHg

5:00 PM

Partly cloudy

64° 💧 None 💨 12 mph H 46%29.97 inHg

11:00 PM

Partly cloudy night

67° 💧 None 💨 6 mph H 37%29.94 inHg

Tuesday

5:00 AM

Overcast night

57° 💧 None 💨 2 mph H 66%30.00 inHg

11:00 AM

Partly cloudy

54° 💧 None 💨 7 mph H 72%30.00 inHg

In Walla Walla and, more broadly, across the state of Washington: The evening will be characterized by mostly cloudy skies with temperatures cooling into the mid-50s. Expect conditions to remain dry throughout the night, with no precipitation on the horizon. Winds will be light, coming from the northwest at around 4 mph, with gusts reaching the same speed. Overall, it will be a cool and calm evening, providing comfortable conditions for outdoor activities or a relaxed night indoors. The weather is unlikely to change significantly over the next few hours, so residents can plan accordingly for a quiet and cool night.

15-Day Weather Outlook for Walla Walla

Wednesday, Sep 9Wed Sep 9

Partly cloudy 85°/54° 💧 None 💨 4 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 85°/65° 💧 0.002 in 💨 12 mph

Friday, Sep 11Fri Sep 11

Heavy rain 81°/51° 💧 0.360 in 💨 13 mph

Saturday, Sep 12Sat Sep 12

Light rain 67°/52° 💧 0.016 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 60°/51° 💧 0.296 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Light rain 64°/50° 💧 0.020 in 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Sunny 73°/50° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 76°/61° 💧 None 💨 9 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 74°/57° 💧 0.000 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 73°/59° 💧 None 💨 4 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 81°/62° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 78°/61° 💧 0.066 in 💨 4 mph

Monday, Sep 21Mon Sep 21

Overcast 76°/55° 💧 0.139 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 67°/54° 💧 0.012 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Walla Walla

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Walla Walla

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 0,9µg/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 1,0µg/m³

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

O₃ Ozone Good 52,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,6µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Walla Walla

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 5,5Moderate 😊Good

Tomorrow UV 5,5Moderate 🙂Fair

Wednesday UV 6,0High 🙂Fair

Thursday UV 5,9Moderate 😐Moderate

Friday UV 5,0Moderate 🙂Fair

Saturday UV 4,0Moderate —Unavailable

Sunday UV 5,0Moderate —Unavailable

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Walla Walla

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WALLA WALLA, WASHINGTON

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:05 PM–4:38 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 47° 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 min71%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Walla Walla were last refreshed today at 8:00 PM. The current forecast period extends through 09/09/2026 at 6:00 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.