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Current weather in Dayton is few clouds.

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

Now · 7:42 AM

Dayton Weather & Hourly Forecast

United States · Washington · 99328

53°F

Mostly sunny

Feels like: 47°F

💧 Humidity 57% 🌡 Pressure 30.06 inHg 💨 Wind 6 mph 👁 Visibility 26.2 mi ☁ Clouds 37% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:39 AM 🌇 Sunset 6:49 PM

Hourly Forecast for Dayton

Today

8:00 AM

Mostly sunny

58° 💧 None 💨 7 mph H 48%30.06 inHg

11:00 AM

Mostly cloudy

67° 💧 None 💨 10 mph H 33%30.09 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 8 mph H 26%30.03 inHg

5:00 PM

Mostly sunny

71° 💧 None 💨 4 mph H 24%30.00 inHg

8:00 PM

Clear night

62° 💧 None 💨 2 mph H 38%30.00 inHg

11:00 PM

Mostly cloudy night

55° 💧 None 💨 3 mph H 52%30.00 inHg

Tomorrow

2:00 AM

Clear night

54° 💧 None 💨 3 mph H 51%30.00 inHg

5:00 AM

Mostly cloudy night

52° 💧 None 💨 4 mph H 56%29.94 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 3 mph H 47%29.94 inHg

11:00 AM

Partly cloudy

71° 💧 None 💨 4 mph H 29%29.88 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 24%29.83 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 24%29.77 inHg

8:00 PM

Overcast night

69° 💧 None 💨 2 mph H 36%29.74 inHg

11:00 PM

Overcast night

64° 💧 None 💨 2 mph H 44%29.71 inHg

Friday

2:00 AM

Mostly cloudy night

61° 💧 None 💨 6 mph H 45%29.74 inHg

5:00 AM

Mostly clear night

58° 💧 None 💨 8 mph H 52%29.77 inHg

Today

8:00 AM

Mostly sunny

58° 💧 None 💨 7 mph H 48%30.06 inHg

9:00 AM

Mostly sunny

62° 💧 None 💨 8 mph H 41%30.06 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 10 mph H 36%30.09 inHg

11:00 AM

Mostly cloudy

67° 💧 None 💨 10 mph H 33%30.09 inHg

12:00 PM

Sunny

69° 💧 None 💨 9 mph H 30%30.06 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 8 mph H 28%30.06 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 8 mph H 26%30.03 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 7 mph H 24%30.00 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 5 mph H 23%30.00 inHg

5:00 PM

Mostly sunny

71° 💧 None 💨 4 mph H 24%30.00 inHg

6:00 PM

Mostly cloudy

69° 💧 None 💨 2 mph H 30%30.00 inHg

7:00 PM

Partly cloudy night

65° 💧 None 💨 1 mph H 35%30.00 inHg

8:00 PM

Clear night

62° 💧 None 💨 2 mph H 38%30.00 inHg

9:00 PM

Clear night

59° 💧 None 💨 1 mph H 44%30.03 inHg

10:00 PM

Partly cloudy night

57° 💧 None 💨 2 mph H 46%30.03 inHg

11:00 PM

Mostly cloudy night

55° 💧 None 💨 3 mph H 52%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

54° 💧 None 💨 2 mph H 52%30.00 inHg

1:00 AM

Partly cloudy night

54° 💧 None 💨 3 mph H 52%30.00 inHg

2:00 AM

Clear night

54° 💧 None 💨 3 mph H 51%30.00 inHg

3:00 AM

Clear night

54° 💧 None 💨 4 mph H 52%29.97 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 4 mph H 54%29.97 inHg

5:00 AM

Mostly cloudy night

52° 💧 None 💨 4 mph H 56%29.94 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 3 mph H 58%29.94 inHg

7:00 AM

Mostly cloudy

51° 💧 None 💨 1 mph H 58%29.94 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 3 mph H 47%29.94 inHg

9:00 AM

Mostly sunny

64° 💧 None 💨 3 mph H 37%29.91 inHg

10:00 AM

Mostly sunny

68° 💧 None 💨 4 mph H 32%29.91 inHg

11:00 AM

Partly cloudy

71° 💧 None 💨 4 mph H 29%29.88 inHg

12:00 PM

Mostly cloudy

74° 💧 None 💨 4 mph H 26%29.85 inHg

1:00 PM

Overcast

76° 💧 None 💨 4 mph H 25%29.85 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 24%29.83 inHg

3:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 24%29.80 inHg

4:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 24%29.77 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 24%29.77 inHg

6:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 33%29.74 inHg

7:00 PM

Mostly cloudy night

71° 💧 None 💨 1 mph H 34%29.74 inHg

8:00 PM

Overcast night

69° 💧 None 💨 2 mph H 36%29.74 inHg

9:00 PM

Mostly cloudy night

67° 💧 None 💨 3 mph H 39%29.71 inHg

10:00 PM

Mostly cloudy night

66° 💧 None 💨 1 mph H 42%29.71 inHg

11:00 PM

Overcast night

64° 💧 None 💨 2 mph H 44%29.71 inHg

Friday

12:00 AM

Overcast night

62° 💧 None 💨 1 mph H 47%29.71 inHg

1:00 AM

Mostly cloudy night

62° 💧 None 💨 6 mph H 45%29.74 inHg

2:00 AM

Mostly cloudy night

61° 💧 None 💨 6 mph H 45%29.74 inHg

3:00 AM

Mostly cloudy night

60° 💧 None 💨 6 mph H 46%29.74 inHg

4:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 45%29.74 inHg

5:00 AM

Mostly clear night

58° 💧 None 💨 8 mph H 52%29.77 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 7 mph H 56%29.80 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 8 mph H 58%29.80 inHg

8:00 AM

Overcast

60° 💧 None 💨 9 mph H 55%29.83 inHg

9:00 AM

Overcast

61° 💧 0.001 in 💨 8 mph H 53%29.80 inHg

10:00 AM

Light rain

62° 💧 0.005 in 💨 12 mph H 50%29.80 inHg

11:00 AM

Light rain

63° 💧 0.004 in 💨 14 mph H 44%29.83 inHg

12:00 PM

Mostly cloudy

62° 💧 0.002 in 💨 15 mph H 50%29.83 inHg

1:00 PM

Light rain

64° 💧 0.017 in 💨 20 mph H 46%29.85 inHg

2:00 PM

Partly cloudy

67° 💧 0.002 in 💨 26 mph H 31%29.83 inHg

3:00 PM

Partly cloudy

65° 💧 0.001 in 💨 28 mph H 35%29.85 inHg

4:00 PM

Partly cloudy

61° 💧 None 💨 28 mph H 39%29.91 inHg

5:00 PM

Mostly cloudy

59° 💧 None 💨 27 mph H 44%29.94 inHg

Saturday

2:00 AM

Clear night

48° 💧 None 💨 11 mph H 69%30.15 inHg

5:00 AM

Partly cloudy night

45° 💧 None 💨 9 mph H 76%30.18 inHg

8:00 AM

Overcast

47° 💧 None 💨 8 mph H 65%30.18 inHg

11:00 AM

Mostly cloudy

54° 💧 None 💨 8 mph H 45%30.18 inHg

2:00 PM

Sunny

59° 💧 None 💨 5 mph H 31%30.12 inHg

5:00 PM

Mostly sunny

59° 💧 None 💨 4 mph H 29%30.09 inHg

8:00 PM

Mostly clear night

49° 💧 None 💨 4 mph H 48%30.09 inHg

11:00 PM

Overcast night

44° 💧 None 💨 5 mph H 58%30.09 inHg

Sunday

2:00 AM

Overcast night

40° 💧 None 💨 3 mph H 68%30.06 inHg

5:00 AM

Overcast night

43° 💧 None 💨 2 mph H 62%30.06 inHg

8:00 AM

Overcast

47° 💧 None 💨 1 mph H 53%30.06 inHg

11:00 AM

Mostly cloudy

57° 💧 None 💨 3 mph H 37%30.06 inHg

2:00 PM

Sunny

64° 💧 None 💨 5 mph H 26%30.00 inHg

5:00 PM

Sunny

63° 💧 None 💨 5 mph H 20%30.00 inHg

8:00 PM

Clear night

54° 💧 None 💨 2 mph H 33%30.00 inHg

11:00 PM

Clear night

47° 💧 None 💨 4 mph H 40%30.03 inHg

Monday

2:00 AM

Clear night

49° 💧 None 💨 0 mph H 41%30.03 inHg

5:00 AM

Clear night

45° 💧 None 💨 3 mph H 47%30.03 inHg

8:00 AM

Sunny

48° 💧 None 💨 2 mph H 44%30.06 inHg

11:00 AM

Sunny

61° 💧 None 💨 4 mph H 29%30.06 inHg

2:00 PM

Overcast

66° 💧 None 💨 4 mph H 24%30.03 inHg

5:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 20%30.00 inHg

8:00 PM

Overcast night

54° 💧 None 💨 3 mph H 34%30.00 inHg

11:00 PM

Clear night

48° 💧 None 💨 2 mph H 44%30.00 inHg

Tuesday

5:00 AM

Clear night

49° 💧 None 💨 5 mph H 45%30.06 inHg

11:00 AM

Overcast

50° 💧 None 💨 5 mph H 36%30.00 inHg

5:00 PM

Mostly cloudy

65° 💧 None 💨 6 mph H 25%29.94 inHg

11:00 PM

Overcast night

64° 💧 None 💨 10 mph H 27%29.88 inHg

Wednesday

5:00 AM

Light rain

53° 💧 None 💨 13 mph H 71%29.94 inHg

11:00 AM

Partly cloudy

48° 💧 None 💨 10 mph H 93%30.09 inHg

5:00 PM

Mostly sunny

56° 💧 None 💨 11 mph H 53%30.18 inHg

11:00 PM

Partly cloudy night

60° 💧 None 💨 2 mph H 30%30.12 inHg

Thursday

5:00 AM

Mostly clear night

48° 💧 None 💨 7 mph H 58%30.09 inHg

11:00 AM

Sunny

48° 💧 None 💨 5 mph H 46%30.00 inHg

5:00 PM

Mostly cloudy

64° 💧 None 💨 4 mph H 29%29.97 inHg

11:00 PM

Overcast night

68° 💧 None 💨 2 mph H 27%29.88 inHg

Friday

5:00 AM

Overcast night

54° 💧 None 💨 4 mph H 49%29.97 inHg

11:00 AM

Mostly sunny

52° 💧 None 💨 5 mph H 51%30.03 inHg

5:00 PM

Partly cloudy

64° 💧 None 💨 10 mph H 31%30.06 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 5 mph H 31%30.00 inHg

Saturday

5:00 AM

Partly cloudy night

52° 💧 None 💨 2 mph H 56%30.03 inHg

11:00 AM

Overcast

48° 💧 None 💨 4 mph H 58%30.03 inHg

5:00 PM

Partly cloudy

69° 💧 None 💨 4 mph H 32%30.06 inHg

11:00 PM

Overcast night

73° 💧 None 💨 2 mph H 21%30.00 inHg

Sunday

5:00 AM

Clear night

56° 💧 None 💨 3 mph H 44%30.00 inHg

11:00 AM

Sunny

53° 💧 None 💨 3 mph H 44%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 19%29.94 inHg

11:00 PM

Clear night

79° 💧 None 💨 5 mph H 19%29.88 inHg

Monday

5:00 AM

Clear night

67° 💧 None 💨 7 mph H 26%29.91 inHg

11:00 AM

Sunny

59° 💧 None 💨 6 mph H 28%30.00 inHg

5:00 PM

Sunny

70° 💧 None 💨 6 mph H 19%30.06 inHg

11:00 PM

Clear night

75° 💧 None 💨 4 mph H 16%30.03 inHg

Tuesday

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 39%30.03 inHg

11:00 AM

Sunny

56° 💧 None 💨 2 mph H 39%30.00 inHg

5:00 PM

Sunny

73° 💧 None 💨 4 mph H 22%30.00 inHg

11:00 PM

Clear night

79° 💧 None 💨 5 mph H 21%29.88 inHg

Wednesday

5:00 AM

Clear night

69° 💧 None 💨 3 mph H 28%29.80 inHg

11:00 AM

Sunny

59° 💧 None 💨 3 mph H 37%29.83 inHg

5:00 PM

Sunny

79° 💧 None 💨 4 mph H 20%29.83 inHg

11:00 PM

Clear night

77° 💧 None 💨 11 mph H 20%29.83 inHg

In Dayton and, more broadly, across the state of Washington: Clear skies will persist into the evening, with temperatures remaining mild between 58 and 67 degrees Fahrenheit. Light eastward winds are expected, averaging around 2 mph, with occasional gusts reaching up to 9 mph. No precipitation is anticipated during the next few hours, providing a calm and dry evening. Temperatures will gradually cool as the night progresses, but conditions should remain comfortable and clear through the late evening and into the early morning hours.

15-Day Weather Outlook for Dayton

TomorrowTomorrow

Mostly cloudy 79°/51° 💧 None 💨 4 mph

Friday, Sep 25Fri Sep 25

Overcast 67°/57° 💧 None 💨 28 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 59°/44° 💧 0.143 in 💨 11 mph

Sunday, Sep 27Sun Sep 27

Overcast 64°/40° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Overcast 66°/45° 💧 None 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Overcast 65°/49° 💧 0.002 in 💨 10 mph

Wednesday, Sep 30Wed Sep 30

Light rain 60°/48° 💧 0.055 in 💨 13 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 68°/48° 💧 None 💨 7 mph

Friday, Oct 2Fri Oct 2

Overcast 66°/52° 💧 None 💨 10 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 73°/48° 💧 None 💨 4 mph

Sunday, Oct 4Sun Oct 4

Sunny 79°/53° 💧 None 💨 5 mph

Monday, Oct 5Mon Oct 5

Sunny 75°/59° 💧 None 💨 7 mph

Tuesday, Oct 6Tue Oct 6

Sunny 79°/56° 💧 None 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Sunny 79°/59° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Dayton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Dayton

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 2,0µg/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 Good 50,0µg/m³

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

NO₂ Nitrogen dioxide Good 4,1µg/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 Dayton

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 4,4Moderate 😊Good

Tomorrow UV 4,3Moderate 🙂Fair

Friday UV 2,9Low 🙂Fair

Saturday UV 4,3Moderate 🙂Fair

Sunday UV 3,0Moderate 😊Good

Monday UV 4,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Dayton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · DAYTON, WASHINGTON

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: 8:28 PM–5:00 AM

☁ Cloud cover 4% Real hourly forecast for the best viewing hour.

☾ Moonlight 95% Waxing Gibbous · Moon about 12° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 56° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min42%

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 Dayton were last refreshed today at 7:12 AM. The current forecast period extends through 25/09/2026 at 5:00 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.