What is the weather in Mammoth right now?

Current weather in Mammoth is scattered clouds.

Where can I find the hourly weather forecast for Mammoth?

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

Is the weather forecast for Mammoth updated regularly?

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

Now · 4:27 AM

Mammoth Weather & Hourly Forecast

United States · Wyoming · 82190

41°F

Partly cloudy night

Feels like: 38°F

💧 Humidity 99% 🌡 Pressure 30.06 inHg 💨 Wind 1 mph 👁 Visibility 4.8 mi ☁ Clouds 56% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:10 AM 🌇 Sunset 7:19 PM

Hourly Forecast for Mammoth

Today

5:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 99%30.09 inHg

8:00 AM

Mist

40° 💧 0.000 in 💨 2 mph H 99%30.15 inHg

11:00 AM

Sunny

53° 💧 0.005 in 💨 2 mph H 65%30.12 inHg

2:00 PM

Mostly sunny

62° 💧 0.007 in 💨 3 mph H 42%30.06 inHg

5:00 PM

Light thunderstorms

55° 💧 0.030 in 💨 5 mph H 79%30.09 inHg

8:00 PM

Clear night

48° 💧 None 💨 1 mph H 83%30.12 inHg

11:00 PM

Clear night

42° 💧 None 💨 1 mph H 95%30.21 inHg

Tomorrow

2:00 AM

Partly cloudy night

38° 💧 None 💨 1 mph H 98%30.24 inHg

5:00 AM

Mostly cloudy night

36° 💧 None 💨 2 mph H 97%30.27 inHg

8:00 AM

Partly cloudy

37° 💧 None 💨 2 mph H 95%30.30 inHg

11:00 AM

Sunny

56° 💧 None 💨 4 mph H 56%30.24 inHg

2:00 PM

Sunny

67° 💧 None 💨 2 mph H 30%30.06 inHg

5:00 PM

Sunny

68° 💧 None 💨 2 mph H 26%30.00 inHg

8:00 PM

Clear night

53° 💧 None 💨 2 mph H 51%30.00 inHg

11:00 PM

Clear night

44° 💧 None 💨 1 mph H 68%30.06 inHg

Friday

2:00 AM

Overcast night

40° 💧 None 💨 2 mph H 78%30.09 inHg

Today

5:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 99%30.09 inHg

6:00 AM

Mostly cloudy night

39° 💧 None 💨 1 mph H 99%30.09 inHg

7:00 AM

Mostly cloudy night

38° 💧 None 💨 1 mph H 100%30.12 inHg

8:00 AM

Mist

40° 💧 None 💨 2 mph H 99%30.15 inHg

9:00 AM

Mostly cloudy

43° 💧 0.000 in 💨 2 mph H 95%30.15 inHg

10:00 AM

Partly cloudy

48° 💧 None 💨 2 mph H 79%30.15 inHg

11:00 AM

Sunny

53° 💧 None 💨 2 mph H 65%30.12 inHg

12:00 PM

Mostly sunny

57° 💧 0.001 in 💨 0 mph H 52%30.09 inHg

1:00 PM

Light rain

60° 💧 0.004 in 💨 2 mph H 46%30.06 inHg

2:00 PM

Mostly sunny

62° 💧 0.004 in 💨 3 mph H 42%30.06 inHg

3:00 PM

Mostly cloudy

63° 💧 0.001 in 💨 3 mph H 41%30.03 inHg

4:00 PM

Strong thunderstorm

60° 💧 0.002 in 💨 4 mph H 47%30.03 inHg

5:00 PM

Light thunderstorms

55° 💧 0.023 in 💨 5 mph H 79%30.09 inHg

6:00 PM

Light rain

56° 💧 0.006 in 💨 2 mph H 68%30.09 inHg

7:00 PM

Sunny

52° 💧 0.001 in 💨 1 mph H 78%30.12 inHg

8:00 PM

Clear night

48° 💧 None 💨 1 mph H 83%30.12 inHg

9:00 PM

Clear night

45° 💧 None 💨 1 mph H 88%30.15 inHg

10:00 PM

Clear night

43° 💧 None 💨 2 mph H 93%30.18 inHg

11:00 PM

Clear night

42° 💧 None 💨 1 mph H 95%30.21 inHg

Tomorrow

12:00 AM

Clear night

40° 💧 None 💨 1 mph H 97%30.21 inHg

1:00 AM

Mostly clear night

39° 💧 None 💨 2 mph H 97%30.21 inHg

2:00 AM

Partly cloudy night

38° 💧 None 💨 1 mph H 98%30.24 inHg

3:00 AM

Mostly clear night

38° 💧 None 💨 1 mph H 98%30.24 inHg

4:00 AM

Mostly cloudy night

37° 💧 None 💨 2 mph H 98%30.27 inHg

5:00 AM

Mostly cloudy night

36° 💧 None 💨 2 mph H 97%30.27 inHg

6:00 AM

Mostly cloudy night

36° 💧 None 💨 2 mph H 96%30.27 inHg

7:00 AM

Mostly cloudy night

36° 💧 None 💨 2 mph H 96%30.27 inHg

8:00 AM

Partly cloudy

37° 💧 None 💨 2 mph H 95%30.30 inHg

9:00 AM

Partly cloudy

42° 💧 None 💨 2 mph H 89%30.30 inHg

10:00 AM

Sunny

49° 💧 None 💨 3 mph H 72%30.27 inHg

11:00 AM

Sunny

56° 💧 None 💨 4 mph H 56%30.24 inHg

12:00 PM

Sunny

61° 💧 None 💨 4 mph H 45%30.18 inHg

1:00 PM

Sunny

64° 💧 None 💨 3 mph H 36%30.12 inHg

2:00 PM

Sunny

67° 💧 None 💨 2 mph H 30%30.06 inHg

3:00 PM

Sunny

68° 💧 None 💨 2 mph H 26%30.03 inHg

4:00 PM

Sunny

68° 💧 None 💨 2 mph H 25%30.00 inHg

5:00 PM

Sunny

68° 💧 None 💨 2 mph H 26%30.00 inHg

6:00 PM

Sunny

65° 💧 None 💨 1 mph H 37%30.00 inHg

7:00 PM

Sunny

59° 💧 None 💨 1 mph H 43%30.00 inHg

8:00 PM

Clear night

53° 💧 None 💨 2 mph H 51%30.00 inHg

9:00 PM

Clear night

49° 💧 None 💨 2 mph H 61%30.03 inHg

10:00 PM

Clear night

45° 💧 None 💨 1 mph H 66%30.06 inHg

11:00 PM

Clear night

44° 💧 None 💨 1 mph H 68%30.06 inHg

Friday

12:00 AM

Mostly clear night

42° 💧 None 💨 1 mph H 71%30.09 inHg

1:00 AM

Mostly cloudy night

41° 💧 None 💨 1 mph H 74%30.09 inHg

2:00 AM

Overcast night

40° 💧 None 💨 2 mph H 78%30.09 inHg

3:00 AM

Overcast night

39° 💧 None 💨 1 mph H 80%30.09 inHg

4:00 AM

Overcast night

38° 💧 None 💨 1 mph H 82%30.06 inHg

5:00 AM

Overcast night

38° 💧 None 💨 1 mph H 84%30.06 inHg

6:00 AM

Partly cloudy night

37° 💧 None 💨 2 mph H 85%30.06 inHg

7:00 AM

Mostly clear night

37° 💧 None 💨 2 mph H 86%30.03 inHg

8:00 AM

Mostly sunny

39° 💧 None 💨 2 mph H 85%30.03 inHg

9:00 AM

Mostly sunny

46° 💧 None 💨 3 mph H 69%30.03 inHg

10:00 AM

Sunny

54° 💧 None 💨 4 mph H 53%30.00 inHg

11:00 AM

Mostly sunny

60° 💧 None 💨 4 mph H 42%29.94 inHg

12:00 PM

Sunny

64° 💧 None 💨 7 mph H 30%29.88 inHg

1:00 PM

Sunny

66° 💧 None 💨 8 mph H 28%29.83 inHg

2:00 PM

Sunny

67° 💧 None 💨 9 mph H 26%29.80 inHg

3:00 PM

Sunny

67° 💧 None 💨 10 mph H 26%29.80 inHg

4:00 PM

Sunny

67° 💧 None 💨 10 mph H 26%29.80 inHg

5:00 PM

Sunny

66° 💧 None 💨 9 mph H 28%29.80 inHg

6:00 PM

Sunny

63° 💧 None 💨 7 mph H 34%29.80 inHg

9:00 PM

Partly cloudy night

50° 💧 None 💨 3 mph H 58%29.85 inHg

Saturday

12:00 AM

Mostly clear night

43° 💧 None 💨 3 mph H 70%29.88 inHg

3:00 AM

Clear night

41° 💧 None 💨 3 mph H 76%29.91 inHg

6:00 AM

Mostly clear night

38° 💧 None 💨 3 mph H 80%30.00 inHg

9:00 AM

Mostly sunny

45° 💧 None 💨 4 mph H 65%30.06 inHg

12:00 PM

Mostly sunny

55° 💧 None 💨 8 mph H 39%30.00 inHg

3:00 PM

Partly cloudy

59° 💧 None 💨 11 mph H 33%29.94 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 7 mph H 40%29.97 inHg

9:00 PM

Mostly clear night

44° 💧 None 💨 2 mph H 65%30.06 inHg

Sunday

12:00 AM

Partly cloudy night

39° 💧 None 💨 2 mph H 75%30.09 inHg

3:00 AM

Partly cloudy night

37° 💧 None 💨 2 mph H 74%30.06 inHg

6:00 AM

Partly cloudy night

39° 💧 None 💨 2 mph H 68%30.03 inHg

9:00 AM

Mostly cloudy

45° 💧 None 💨 3 mph H 65%30.03 inHg

12:00 PM

Mostly cloudy

60° 💧 None 💨 3 mph H 39%29.88 inHg

3:00 PM

Mostly cloudy

64° 💧 None 💨 11 mph H 27%29.80 inHg

6:00 PM

Mostly cloudy

59° 💧 None 💨 6 mph H 36%29.80 inHg

9:00 PM

Partly cloudy night

49° 💧 None 💨 2 mph H 55%29.83 inHg

Monday

12:00 AM

Light rain

42° 💧 None 💨 2 mph H 80%29.88 inHg

3:00 AM

Light rain

40° 💧 None 💨 2 mph H 95%29.91 inHg

6:00 AM

Light rain

40° 💧 None 💨 1 mph H 97%29.91 inHg

9:00 AM

Moderate rain

39° 💧 None 💨 6 mph H 99%29.97 inHg

12:00 PM

Light rain

39° 💧 None 💨 5 mph H 90%30.03 inHg

3:00 PM

Light rain

44° 💧 None 💨 6 mph H 68%29.97 inHg

6:00 PM

Mostly sunny

46° 💧 None 💨 6 mph H 47%29.97 inHg

Tuesday

12:00 AM

Mostly cloudy night

32° 💧 None 💨 1 mph H 75%30.09 inHg

6:00 AM

Mostly clear night

28° 💧 None 💨 2 mph H 80%30.12 inHg

12:00 PM

Partly cloudy

49° 💧 None 💨 7 mph H 42%30.03 inHg

6:00 PM

Mostly cloudy

49° 💧 None 💨 7 mph H 36%29.94 inHg

Wednesday

12:00 AM

Partly cloudy night

39° 💧 None 💨 3 mph H 49%29.91 inHg

6:00 AM

Mostly clear night

34° 💧 None 💨 2 mph H 67%29.91 inHg

12:00 PM

Light rain

50° 💧 None 💨 12 mph H 39%29.88 inHg

6:00 PM

Mostly sunny

47° 💧 None 💨 8 mph H 26%30.00 inHg

Thursday

12:00 AM

Partly cloudy night

32° 💧 None 💨 1 mph H 56%30.18 inHg

6:00 AM

Mostly clear night

29° 💧 None 💨 0 mph H 55%30.24 inHg

12:00 PM

Sunny

52° 💧 None 💨 3 mph H 23%30.15 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 4 mph H 30%30.00 inHg

Friday

12:00 AM

Mostly clear night

36° 💧 None 💨 2 mph H 53%30.09 inHg

6:00 AM

Partly cloudy night

35° 💧 None 💨 1 mph H 54%30.06 inHg

12:00 PM

Mostly sunny

59° 💧 None 💨 2 mph H 29%29.97 inHg

6:00 PM

Mostly sunny

57° 💧 None 💨 1 mph H 50%29.94 inHg

Saturday

12:00 AM

Partly cloudy night

40° 💧 None 💨 1 mph H 65%30.03 inHg

6:00 AM

Partly cloudy night

36° 💧 None 💨 1 mph H 72%30.09 inHg

12:00 PM

Overcast

58° 💧 None 💨 4 mph H 33%30.06 inHg

6:00 PM

Partly cloudy

58° 💧 None 💨 5 mph H 36%30.03 inHg

Sunday

12:00 AM

Partly cloudy night

39° 💧 None 💨 2 mph H 68%30.15 inHg

6:00 AM

Clear night

36° 💧 None 💨 2 mph H 72%30.18 inHg

12:00 PM

Sunny

61° 💧 None 💨 3 mph H 30%30.12 inHg

6:00 PM

Sunny

61° 💧 None 💨 4 mph H 34%30.03 inHg

Monday

12:00 AM

Clear night

42° 💧 None 💨 3 mph H 53%30.12 inHg

6:00 AM

Clear night

38° 💧 None 💨 2 mph H 58%30.12 inHg

12:00 PM

Sunny

63° 💧 None 💨 3 mph H 27%30.12 inHg

6:00 PM

Sunny

64° 💧 None 💨 2 mph H 41%30.06 inHg

Tuesday

12:00 AM

Clear night

43° 💧 None 💨 1 mph H 63%30.18 inHg

6:00 AM

Clear night

40° 💧 None 💨 0 mph H 62%30.27 inHg

12:00 PM

Sunny

61° 💧 None 💨 2 mph H 37%30.24 inHg

6:00 PM

Sunny

60° 💧 None 💨 5 mph H 44%30.15 inHg

Wednesday

12:00 AM

Clear night

43° 💧 None 💨 0 mph H 71%30.27 inHg

6:00 AM

Clear night

36° 💧 None 💨 1 mph H 78%30.24 inHg

12:00 PM

Sunny

63° 💧 None 💨 3 mph H 34%30.12 inHg

6:00 PM

Sunny

64° 💧 None 💨 2 mph H 34%29.94 inHg

In Mammoth 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 Mammoth

TomorrowTomorrow

Mostly sunny 68°/36° 💧 None 💨 4 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 67°/37° 💧 0.181 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 59°/38° 💧 None 💨 11 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 64°/37° 💧 0.004 in 💨 11 mph

Monday, Sep 28Mon Sep 28

Moderate rain 46°/39° 💧 0.376 in 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 49°/28° 💧 None 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Light rain 50°/34° 💧 0.017 in 💨 12 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 55°/29° 💧 None 💨 4 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 59°/35° 💧 0.026 in 💨 2 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 58°/36° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 61°/36° 💧 None 💨 4 mph

Monday, Oct 5Mon Oct 5

Sunny 64°/38° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Sunny 61°/40° 💧 None 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Sunny 64°/36° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mammoth

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mammoth

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 5:00 AM

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

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

O₃ Ozone Good 37,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/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 Mammoth

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 5,6Moderate 😊Good

Tomorrow UV 5,7Moderate 🙂Fair

Friday UV 5,4Moderate 😐Moderate

Saturday UV 5,1Moderate 😐Moderate

Sunday UV 5,0Moderate 😊Good

Monday UV 1,0Low —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MAMMOTH, WYOMING

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

38/100Best-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 60° 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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Mammoth were last refreshed today at 4:27 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.