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Current weather in Greybull is few clouds.

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This page shows hourly weather forecast for Greybull, including temperature, wind, precipitation, humidity and cloud cover.

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

Now · 5:13 AM

Greybull Weather & Hourly Forecast

United States · Wyoming · 82426

52°F

Mostly clear night

Feels like: 51°F

💧 Humidity 95% 🌡 Pressure 29.94 inHg 💨 Wind 3 mph 👁 Visibility 21.8 mi ☁ Clouds 26% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:59 AM 🌇 Sunset 7:09 PM

Hourly Forecast for Greybull

Today

6:00 AM

Mostly clear night

52° 💧 None 💨 0 mph H 95%29.97 inHg

9:00 AM

Mostly sunny

54° 💧 None 💨 4 mph H 92%30.03 inHg

12:00 PM

Sunny

68° 💧 0.000 in 💨 2 mph H 52%30.00 inHg

3:00 PM

Sunny

73° 💧 None 💨 4 mph H 37%29.97 inHg

6:00 PM

Mostly sunny

71° 💧 None 💨 6 mph H 38%29.97 inHg

9:00 PM

Clear night

61° 💧 None 💨 3 mph H 65%30.03 inHg

Tomorrow

12:00 AM

Clear night

56° 💧 None 💨 2 mph H 74%30.09 inHg

3:00 AM

Clear night

52° 💧 None 💨 2 mph H 86%30.12 inHg

6:00 AM

Clear night

49° 💧 None 💨 4 mph H 88%30.15 inHg

9:00 AM

Sunny

54° 💧 None 💨 3 mph H 73%30.18 inHg

12:00 PM

Sunny

71° 💧 None 💨 5 mph H 40%30.12 inHg

3:00 PM

Sunny

78° 💧 None 💨 6 mph H 28%30.00 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 6 mph H 28%29.97 inHg

9:00 PM

Overcast night

63° 💧 None 💨 5 mph H 55%29.97 inHg

Friday

12:00 AM

Overcast night

61° 💧 None 💨 6 mph H 59%30.00 inHg

3:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 66%29.97 inHg

Today

6:00 AM

Mostly clear night

52° 💧 None 💨 0 mph H 95%29.97 inHg

7:00 AM

Mist

50° 💧 None 💨 2 mph H 100%30.00 inHg

8:00 AM

Fog

51° 💧 None 💨 4 mph H 99%30.00 inHg

9:00 AM

Mostly sunny

54° 💧 None 💨 4 mph H 92%30.03 inHg

10:00 AM

Sunny

60° 💧 None 💨 2 mph H 74%30.03 inHg

11:00 AM

Sunny

64° 💧 None 💨 2 mph H 61%30.03 inHg

12:00 PM

Sunny

68° 💧 None 💨 2 mph H 52%30.00 inHg

1:00 PM

Sunny

70° 💧 0.000 in 💨 2 mph H 44%30.00 inHg

2:00 PM

Sunny

72° 💧 None 💨 2 mph H 39%29.97 inHg

3:00 PM

Sunny

73° 💧 None 💨 4 mph H 37%29.97 inHg

4:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 35%29.97 inHg

5:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 35%29.97 inHg

6:00 PM

Mostly sunny

71° 💧 None 💨 6 mph H 38%29.97 inHg

7:00 PM

Sunny

66° 💧 None 💨 4 mph H 50%30.00 inHg

8:00 PM

Clear night

63° 💧 None 💨 4 mph H 58%30.03 inHg

9:00 PM

Clear night

61° 💧 None 💨 3 mph H 65%30.03 inHg

10:00 PM

Clear night

60° 💧 None 💨 2 mph H 66%30.06 inHg

11:00 PM

Clear night

59° 💧 None 💨 0 mph H 68%30.09 inHg

Tomorrow

12:00 AM

Clear night

56° 💧 None 💨 2 mph H 74%30.09 inHg

1:00 AM

Clear night

55° 💧 None 💨 4 mph H 80%30.09 inHg

2:00 AM

Clear night

53° 💧 None 💨 3 mph H 83%30.12 inHg

3:00 AM

Clear night

52° 💧 None 💨 2 mph H 86%30.12 inHg

4:00 AM

Clear night

50° 💧 None 💨 3 mph H 89%30.12 inHg

5:00 AM

Clear night

50° 💧 None 💨 4 mph H 89%30.12 inHg

6:00 AM

Clear night

49° 💧 None 💨 4 mph H 88%30.15 inHg

7:00 AM

Clear night

48° 💧 None 💨 3 mph H 90%30.15 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 86%30.18 inHg

9:00 AM

Sunny

54° 💧 None 💨 3 mph H 73%30.18 inHg

10:00 AM

Sunny

61° 💧 None 💨 4 mph H 58%30.18 inHg

11:00 AM

Sunny

67° 💧 None 💨 5 mph H 47%30.15 inHg

12:00 PM

Sunny

71° 💧 None 💨 5 mph H 40%30.12 inHg

1:00 PM

Sunny

74° 💧 None 💨 5 mph H 34%30.06 inHg

2:00 PM

Sunny

76° 💧 None 💨 6 mph H 31%30.03 inHg

3:00 PM

Sunny

78° 💧 None 💨 6 mph H 28%30.00 inHg

4:00 PM

Sunny

78° 💧 None 💨 7 mph H 26%29.97 inHg

5:00 PM

Partly cloudy

78° 💧 None 💨 7 mph H 25%29.97 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 6 mph H 28%29.97 inHg

7:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 41%29.97 inHg

8:00 PM

Overcast night

66° 💧 None 💨 5 mph H 50%29.97 inHg

9:00 PM

Overcast night

63° 💧 None 💨 5 mph H 55%29.97 inHg

10:00 PM

Overcast night

62° 💧 None 💨 5 mph H 56%30.00 inHg

11:00 PM

Overcast night

62° 💧 None 💨 7 mph H 56%30.00 inHg

Friday

12:00 AM

Overcast night

61° 💧 None 💨 6 mph H 59%30.00 inHg

1:00 AM

Overcast night

59° 💧 None 💨 6 mph H 62%30.00 inHg

2:00 AM

Overcast night

57° 💧 None 💨 5 mph H 65%30.00 inHg

3:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 66%29.97 inHg

4:00 AM

Mostly cloudy night

55° 💧 None 💨 5 mph H 68%29.97 inHg

5:00 AM

Mostly cloudy night

54° 💧 None 💨 5 mph H 71%29.97 inHg

6:00 AM

Overcast night

53° 💧 None 💨 5 mph H 74%29.94 inHg

7:00 AM

Overcast night

52° 💧 None 💨 5 mph H 74%29.94 inHg

8:00 AM

Mostly cloudy

54° 💧 None 💨 7 mph H 70%29.94 inHg

9:00 AM

Overcast

58° 💧 None 💨 6 mph H 62%29.94 inHg

10:00 AM

Overcast

63° 💧 None 💨 6 mph H 53%29.91 inHg

11:00 AM

Mostly cloudy

68° 💧 None 💨 8 mph H 45%29.88 inHg

12:00 PM

Overcast

72° 💧 None 💨 11 mph H 40%29.85 inHg

1:00 PM

Mostly cloudy

75° 💧 None 💨 12 mph H 36%29.80 inHg

2:00 PM

Overcast

77° 💧 None 💨 12 mph H 34%29.77 inHg

3:00 PM

Sunny

78° 💧 None 💨 11 mph H 33%29.74 inHg

4:00 PM

Sunny

79° 💧 None 💨 12 mph H 30%29.68 inHg

5:00 PM

Sunny

79° 💧 None 💨 11 mph H 28%29.68 inHg

6:00 PM

Sunny

77° 💧 None 💨 9 mph H 28%29.65 inHg

9:00 PM

Clear night

64° 💧 None 💨 4 mph H 50%29.68 inHg

Saturday

12:00 AM

Clear night

58° 💧 None 💨 1 mph H 57%29.77 inHg

3:00 AM

Mostly clear night

57° 💧 None 💨 2 mph H 58%29.77 inHg

6:00 AM

Mostly clear night

51° 💧 None 💨 4 mph H 73%29.85 inHg

9:00 AM

Partly cloudy

57° 💧 None 💨 4 mph H 59%29.91 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 3 mph H 29%29.88 inHg

3:00 PM

Partly cloudy

79° 💧 None 💨 3 mph H 21%29.80 inHg

6:00 PM

Partly cloudy

79° 💧 None 💨 2 mph H 27%29.77 inHg

9:00 PM

Partly cloudy night

63° 💧 None 💨 8 mph H 48%29.88 inHg

Sunday

12:00 AM

Mostly clear night

58° 💧 None 💨 7 mph H 54%29.94 inHg

3:00 AM

Clear night

53° 💧 None 💨 5 mph H 67%29.97 inHg

6:00 AM

Partly cloudy night

48° 💧 None 💨 2 mph H 80%30.03 inHg

9:00 AM

Mostly cloudy

53° 💧 None 💨 3 mph H 65%30.00 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 4 mph H 39%29.91 inHg

3:00 PM

Mostly cloudy

76° 💧 None 💨 3 mph H 28%29.77 inHg

6:00 PM

Overcast

79° 💧 None 💨 7 mph H 27%29.65 inHg

9:00 PM

Mostly cloudy night

69° 💧 None 💨 5 mph H 38%29.65 inHg

Monday

12:00 AM

Overcast night

62° 💧 None 💨 7 mph H 50%29.74 inHg

3:00 AM

Partly cloudy night

57° 💧 None 💨 7 mph H 63%29.74 inHg

6:00 AM

Overcast night

55° 💧 None 💨 10 mph H 70%29.83 inHg

9:00 AM

Light rain

55° 💧 None 💨 7 mph H 79%29.85 inHg

12:00 PM

Partly cloudy

61° 💧 None 💨 9 mph H 55%29.85 inHg

3:00 PM

Light rain

59° 💧 None 💨 22 mph H 49%29.88 inHg

6:00 PM

Mostly sunny

57° 💧 None 💨 21 mph H 37%29.88 inHg

Tuesday

12:00 AM

Mostly clear night

46° 💧 None 💨 1 mph H 67%30.03 inHg

6:00 AM

Clear night

42° 💧 None 💨 3 mph H 75%30.12 inHg

12:00 PM

Sunny

61° 💧 None 💨 8 mph H 34%30.03 inHg

6:00 PM

Mostly cloudy

66° 💧 None 💨 8 mph H 22%29.85 inHg

Wednesday

12:00 AM

Mostly cloudy night

51° 💧 None 💨 1 mph H 50%29.80 inHg

6:00 AM

Mostly cloudy night

50° 💧 None 💨 3 mph H 53%29.80 inHg

12:00 PM

Mostly sunny

68° 💧 None 💨 3 mph H 25%29.77 inHg

6:00 PM

Mostly sunny

63° 💧 None 💨 17 mph H 25%29.85 inHg

Thursday

12:00 AM

Mostly clear night

53° 💧 None 💨 5 mph H 25%30.09 inHg

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 51%30.21 inHg

12:00 PM

Mostly sunny

58° 💧 None 💨 2 mph H 25%30.21 inHg

6:00 PM

Sunny

64° 💧 None 💨 1 mph H 16%30.06 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 2 mph H 43%30.03 inHg

6:00 AM

Mostly cloudy night

43° 💧 None 💨 3 mph H 48%30.00 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 3 mph H 21%29.94 inHg

6:00 PM

Mostly cloudy

73° 💧 None 💨 7 mph H 17%29.83 inHg

Saturday

12:00 AM

Partly cloudy night

54° 💧 None 💨 1 mph H 45%29.94 inHg

6:00 AM

Mostly clear night

46° 💧 None 💨 1 mph H 69%30.00 inHg

12:00 PM

Partly cloudy

68° 💧 None 💨 2 mph H 25%30.03 inHg

6:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 20%29.88 inHg

Sunday

12:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 42%29.97 inHg

6:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 57%30.03 inHg

12:00 PM

Sunny

73° 💧 None 💨 4 mph H 20%30.03 inHg

6:00 PM

Sunny

79° 💧 None 💨 2 mph H 16%29.88 inHg

Monday

12:00 AM

Clear night

59° 💧 None 💨 2 mph H 38%29.91 inHg

6:00 AM

Clear night

51° 💧 None 💨 2 mph H 50%29.94 inHg

12:00 PM

Sunny

76° 💧 None 💨 1 mph H 19%30.00 inHg

6:00 PM

Sunny

76° 💧 None 💨 12 mph H 24%29.97 inHg

Tuesday

12:00 AM

Clear night

58° 💧 None 💨 4 mph H 49%30.12 inHg

6:00 AM

Clear night

48° 💧 None 💨 4 mph H 77%30.24 inHg

12:00 PM

Sunny

65° 💧 None 💨 5 mph H 37%30.27 inHg

6:00 PM

Sunny

70° 💧 None 💨 8 mph H 28%30.15 inHg

Wednesday

12:00 AM

Clear night

54° 💧 None 💨 6 mph H 38%30.24 inHg

6:00 AM

Clear night

46° 💧 None 💨 1 mph H 57%30.24 inHg

12:00 PM

Sunny

65° 💧 None 💨 2 mph H 31%30.15 inHg

6:00 PM

Sunny

74° 💧 None 💨 2 mph H 25%29.91 inHg

In Greybull and, more broadly, across the state of Wyoming: Clear skies are expected this evening with temperatures remaining cool, around 56 degrees Fahrenheit. Winds will be light, coming from the east at up to 1 mph, with occasional gusts reaching 2 mph. No precipitation is expected during the night, providing a calm and dry evening. Temperatures are likely to stay steady in the low 50s overnight, making for a comfortable but cool night. Overall, conditions will remain tranquil with clear skies and light breezes.

15-Day Weather Outlook for Greybull

TomorrowTomorrow

Partly cloudy 78°/48° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Overcast 79°/52° 💧 0.062 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 79°/51° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 79°/48° 💧 0.001 in 💨 7 mph

Monday, Sep 28Mon Sep 28

Light rain 62°/55° 💧 0.044 in 💨 22 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 66°/42° 💧 None 💨 8 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 68°/50° 💧 0.001 in 💨 17 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 64°/43° 💧 None 💨 5 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 73°/43° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 75°/46° 💧 None 💨 2 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 79°/49° 💧 None 💨 4 mph

Monday, Oct 5Mon Oct 5

Sunny 76°/51° 💧 None 💨 12 mph

Tuesday, Oct 6Tue Oct 6

Sunny 70°/48° 💧 None 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Sunny 74°/46° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Greybull

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Greybull

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 1,1µg/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 1,6µg/m³

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

O₃ Ozone Good 56,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/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 Greybull

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 5,6Moderate 🙂Fair

Friday UV 5,3Moderate 🙂Fair

Saturday UV 5,0Moderate 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Greybull

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GREYBULL, WYOMING

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 AM–12:00 PM.

99/100Best-hour score

BEST TIME TONIGHT 11:00 AM–12:00 PM Astronomical darkness: 8:47 PM–5:23 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 91% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 5° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min12%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Greybull were last refreshed today at 5:13 AM. The current forecast period extends through 25/09/2026 at 3:00 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.