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Current weather in Thermopolis is scattered clouds.

Where can I find the hourly weather forecast for Thermopolis?

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

Is the weather forecast for Thermopolis updated regularly?

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

Now · 12:36 PM

Thermopolis Weather & Hourly Forecast

United States · Wyoming · 82443

79°F

Partly cloudy

Feels like: 67°F

💧 Humidity 19% 🌡 Pressure 29.77 inHg 💨 Wind 14 mph 👁 Visibility 31.2 mi ☁ Clouds 41% ☀️ UV index 6.5 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Thermopolis

Today

1:00 PM

Partly cloudy

79° 💧 None 💨 14 mph H 19%29.77 inHg

4:00 PM

Sunny

79° 💧 None 💨 13 mph H 14%29.77 inHg

7:00 PM

Sunny

73° 💧 None 💨 10 mph H 11%29.83 inHg

10:00 PM

Clear night

64° 💧 None 💨 7 mph H 15%29.94 inHg

Tomorrow

1:00 AM

Clear night

57° 💧 None 💨 3 mph H 21%30.00 inHg

4:00 AM

Clear night

53° 💧 None 💨 1 mph H 30%30.03 inHg

7:00 AM

Sunny

50° 💧 None 💨 1 mph H 37%30.09 inHg

10:00 AM

Sunny

63° 💧 None 💨 2 mph H 24%30.09 inHg

1:00 PM

Sunny

74° 💧 None 💨 1 mph H 13%30.00 inHg

4:00 PM

Sunny

78° 💧 None 💨 14 mph H 10%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 9 mph H 12%29.97 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 31%30.21 inHg

Wednesday

1:00 AM

Clear night

55° 💧 None 💨 2 mph H 41%30.27 inHg

4:00 AM

Clear night

52° 💧 None 💨 2 mph H 45%30.27 inHg

7:00 AM

Sunny

49° 💧 None 💨 4 mph H 51%30.27 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 8 mph H 25%30.24 inHg

Today

1:00 PM

Partly cloudy

79° 💧 None 💨 14 mph H 19%29.77 inHg

2:00 PM

Sunny

80° 💧 None 💨 14 mph H 17%29.77 inHg

3:00 PM

Sunny

80° 💧 None 💨 13 mph H 15%29.77 inHg

4:00 PM

Sunny

79° 💧 None 💨 13 mph H 14%29.77 inHg

5:00 PM

Sunny

78° 💧 None 💨 10 mph H 13%29.77 inHg

6:00 PM

Sunny

77° 💧 None 💨 11 mph H 11%29.80 inHg

7:00 PM

Sunny

73° 💧 None 💨 10 mph H 11%29.83 inHg

8:00 PM

Clear night

69° 💧 None 💨 9 mph H 11%29.85 inHg

9:00 PM

Clear night

66° 💧 None 💨 8 mph H 13%29.91 inHg

10:00 PM

Clear night

64° 💧 None 💨 7 mph H 15%29.94 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 18%29.97 inHg

Tomorrow

12:00 AM

Clear night

60° 💧 None 💨 2 mph H 20%30.00 inHg

1:00 AM

Clear night

57° 💧 None 💨 3 mph H 21%30.00 inHg

2:00 AM

Clear night

55° 💧 None 💨 2 mph H 24%30.00 inHg

3:00 AM

Clear night

54° 💧 None 💨 2 mph H 29%30.03 inHg

4:00 AM

Clear night

53° 💧 None 💨 1 mph H 30%30.03 inHg

5:00 AM

Clear night

52° 💧 None 💨 1 mph H 32%30.06 inHg

6:00 AM

Clear night

51° 💧 None 💨 1 mph H 34%30.06 inHg

7:00 AM

Sunny

50° 💧 None 💨 1 mph H 37%30.09 inHg

8:00 AM

Sunny

55° 💧 None 💨 2 mph H 34%30.12 inHg

9:00 AM

Sunny

59° 💧 None 💨 1 mph H 29%30.12 inHg

10:00 AM

Sunny

63° 💧 None 💨 2 mph H 24%30.09 inHg

11:00 AM

Sunny

67° 💧 None 💨 3 mph H 20%30.06 inHg

12:00 PM

Sunny

71° 💧 None 💨 2 mph H 17%30.03 inHg

1:00 PM

Sunny

74° 💧 None 💨 1 mph H 13%30.00 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 11%29.94 inHg

3:00 PM

Sunny

78° 💧 None 💨 12 mph H 11%29.94 inHg

4:00 PM

Sunny

78° 💧 None 💨 14 mph H 10%29.91 inHg

5:00 PM

Sunny

79° 💧 None 💨 12 mph H 10%29.91 inHg

6:00 PM

Sunny

79° 💧 None 💨 16 mph H 9%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 9 mph H 12%29.97 inHg

8:00 PM

Clear night

68° 💧 None 💨 17 mph H 19%30.06 inHg

9:00 PM

Clear night

63° 💧 None 💨 6 mph H 26%30.15 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 31%30.21 inHg

11:00 PM

Clear night

58° 💧 None 💨 3 mph H 35%30.24 inHg

Wednesday

12:00 AM

Clear night

56° 💧 None 💨 4 mph H 37%30.24 inHg

1:00 AM

Clear night

55° 💧 None 💨 2 mph H 41%30.27 inHg

2:00 AM

Clear night

53° 💧 None 💨 2 mph H 43%30.27 inHg

3:00 AM

Clear night

52° 💧 None 💨 1 mph H 45%30.27 inHg

4:00 AM

Clear night

52° 💧 None 💨 2 mph H 45%30.27 inHg

5:00 AM

Clear night

51° 💧 None 💨 3 mph H 46%30.27 inHg

6:00 AM

Clear night

50° 💧 None 💨 2 mph H 48%30.27 inHg

7:00 AM

Sunny

49° 💧 None 💨 4 mph H 51%30.27 inHg

8:00 AM

Sunny

53° 💧 None 💨 5 mph H 46%30.27 inHg

9:00 AM

Mostly sunny

60° 💧 None 💨 5 mph H 33%30.27 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 8 mph H 25%30.24 inHg

11:00 AM

Mostly cloudy

68° 💧 None 💨 8 mph H 21%30.21 inHg

12:00 PM

Mostly cloudy

71° 💧 None 💨 6 mph H 18%30.18 inHg

1:00 PM

Mostly cloudy

73° 💧 None 💨 3 mph H 16%30.15 inHg

2:00 PM

Mostly cloudy

76° 💧 None 💨 1 mph H 14%30.09 inHg

3:00 PM

Mostly sunny

77° 💧 None 💨 1 mph H 13%30.06 inHg

4:00 PM

Sunny

79° 💧 None 💨 3 mph H 13%30.03 inHg

5:00 PM

Sunny

78° 💧 None 💨 3 mph H 12%30.00 inHg

6:00 PM

Sunny

77° 💧 None 💨 5 mph H 12%30.00 inHg

7:00 PM

Sunny

74° 💧 None 💨 4 mph H 15%30.00 inHg

8:00 PM

Clear night

69° 💧 None 💨 2 mph H 18%30.00 inHg

9:00 PM

Clear night

67° 💧 None 💨 1 mph H 20%30.03 inHg

10:00 PM

Clear night

65° 💧 None 💨 2 mph H 20%30.03 inHg

11:00 PM

Clear night

63° 💧 None 💨 3 mph H 22%30.06 inHg

Thursday

12:00 AM

Clear night

62° 💧 None 💨 2 mph H 23%30.06 inHg

1:00 AM

Clear night

61° 💧 None 💨 2 mph H 25%30.06 inHg

2:00 AM

Clear night

59° 💧 None 💨 2 mph H 25%30.06 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 25%30.03 inHg

4:00 AM

Clear night

58° 💧 None 💨 1 mph H 26%30.03 inHg

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 26%30.03 inHg

6:00 AM

Clear night

55° 💧 None 💨 3 mph H 28%30.00 inHg

9:00 AM

Sunny

65° 💧 None 💨 2 mph H 22%30.00 inHg

12:00 PM

Sunny

80° 💧 None 💨 6 mph H 11%29.88 inHg

3:00 PM

Sunny

88° 💧 None 💨 10 mph H 6%29.71 inHg

6:00 PM

Mostly sunny

89° 💧 None 💨 7 mph H 5%29.62 inHg

9:00 PM

Partly cloudy night

77° 💧 None 💨 10 mph H 12%29.68 inHg

Friday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 6 mph H 18%29.65 inHg

3:00 AM

Mostly cloudy night

70° 💧 None 💨 8 mph H 18%29.62 inHg

6:00 AM

Mostly clear night

65° 💧 None 💨 5 mph H 22%29.62 inHg

9:00 AM

Sunny

74° 💧 None 💨 9 mph H 17%29.68 inHg

12:00 PM

Sunny

74° 💧 None 💨 17 mph H 28%29.77 inHg

3:00 PM

Sunny

77° 💧 None 💨 13 mph H 21%29.77 inHg

6:00 PM

Sunny

75° 💧 None 💨 13 mph H 16%29.77 inHg

9:00 PM

Partly cloudy night

64° 💧 None 💨 9 mph H 34%29.91 inHg

Saturday

12:00 AM

Clear night

58° 💧 None 💨 1 mph H 43%30.00 inHg

3:00 AM

Clear night

53° 💧 None 💨 2 mph H 52%30.03 inHg

6:00 AM

Clear night

49° 💧 None 💨 2 mph H 59%30.06 inHg

9:00 AM

Mostly sunny

56° 💧 None 💨 3 mph H 45%30.06 inHg

12:00 PM

Partly cloudy

67° 💧 None 💨 5 mph H 31%29.94 inHg

3:00 PM

Partly cloudy

76° 💧 None 💨 4 mph H 23%29.80 inHg

6:00 PM

Partly cloudy

77° 💧 None 💨 12 mph H 21%29.68 inHg

9:00 PM

Mostly clear night

68° 💧 None 💨 5 mph H 30%29.71 inHg

Sunday

12:00 AM

Partly cloudy night

61° 💧 None 💨 2 mph H 40%29.71 inHg

6:00 AM

Partly cloudy night

60° 💧 None 💨 4 mph H 44%29.83 inHg

12:00 PM

Mostly cloudy

51° 💧 None 💨 3 mph H 62%29.94 inHg

6:00 PM

Mostly cloudy

61° 💧 None 💨 6 mph H 41%29.91 inHg

Monday

12:00 AM

Mostly clear night

67° 💧 None 💨 12 mph H 35%29.80 inHg

6:00 AM

Partly cloudy night

53° 💧 None 💨 10 mph H 61%30.03 inHg

12:00 PM

Mostly sunny

44° 💧 None 💨 4 mph H 84%30.12 inHg

6:00 PM

Sunny

59° 💧 None 💨 4 mph H 41%30.18 inHg

Tuesday

12:00 AM

Clear night

66° 💧 None 💨 8 mph H 25%30.06 inHg

6:00 AM

Clear night

55° 💧 None 💨 0 mph H 37%30.15 inHg

12:00 PM

Sunny

46° 💧 None 💨 3 mph H 52%30.18 inHg

6:00 PM

Sunny

66° 💧 None 💨 4 mph H 21%30.18 inHg

Wednesday

12:00 AM

Clear night

73° 💧 None 💨 8 mph H 15%30.03 inHg

6:00 AM

Clear night

58° 💧 None 💨 5 mph H 32%30.18 inHg

12:00 PM

Sunny

49° 💧 None 💨 1 mph H 53%30.24 inHg

6:00 PM

Partly cloudy

65° 💧 None 💨 6 mph H 32%30.21 inHg

Thursday

12:00 AM

Mostly cloudy night

75° 💧 None 💨 7 mph H 21%30.06 inHg

6:00 AM

Overcast night

60° 💧 None 💨 3 mph H 45%30.24 inHg

12:00 PM

Overcast

55° 💧 None 💨 1 mph H 63%30.30 inHg

6:00 PM

Moderate rain

56° 💧 None 💨 1 mph H 78%30.39 inHg

Friday

12:00 AM

Overcast night

58° 💧 None 💨 2 mph H 75%30.33 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 2 mph H 83%30.36 inHg

12:00 PM

Mostly sunny

52° 💧 None 💨 2 mph H 91%30.33 inHg

6:00 PM

Sunny

70° 💧 None 💨 5 mph H 54%30.24 inHg

Saturday

12:00 AM

Mostly clear night

75° 💧 None 💨 2 mph H 44%30.06 inHg

6:00 AM

Clear night

59° 💧 None 💨 3 mph H 84%30.12 inHg

12:00 PM

Sunny

55° 💧 None 💨 2 mph H 84%30.09 inHg

6:00 PM

Mostly sunny

75° 💧 None 💨 2 mph H 50%30.03 inHg

Sunday

12:00 AM

Mostly cloudy night

77° 💧 None 💨 2 mph H 39%29.88 inHg

6:00 AM

Overcast night

63° 💧 None 💨 5 mph H 62%29.94 inHg

12:00 PM

Mostly sunny

60° 💧 None 💨 2 mph H 67%30.00 inHg

6:00 PM

Mostly sunny

75° 💧 None 💨 9 mph H 34%30.03 inHg

Monday

12:00 AM

Clear night

77° 💧 None 💨 6 mph H 26%29.94 inHg

6:00 AM

Clear night

60° 💧 None 💨 1 mph H 65%30.06 inHg

12:00 PM

Sunny

57° 💧 None 💨 3 mph H 65%30.00 inHg

6:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 33%29.91 inHg

Tuesday

12:00 AM

Mostly clear night

81° 💧 None 💨 5 mph H 26%29.71 inHg

In Thermopolis and, more broadly, across the state of Wyoming: The rest of the day will feature clear skies with mild temperatures ranging from 60 to 71 degrees Fahrenheit. Expect a noticeable southwest wind that could reach up to 28 mph, with gusts up to 35 mph. Overall, it will be a dry and breezy afternoon, making for comfortable outdoor conditions. No precipitation is anticipated, so outdoor plans should proceed without issues. The combination of mild temperatures and brisk wind will likely make it feel cooler than the actual temperature, especially later in the day.

15-Day Weather Outlook for Thermopolis

TomorrowTomorrow

Sunny 79°/50° 💧 None 💨 14 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 79°/49° 💧 None 💨 17 mph

Thursday, Sep 10Thu Sep 10

Sunny 88°/55° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 89°/65° 💧 None 💨 17 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 76°/49° 💧 None 💨 13 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 77°/51° 💧 0.001 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 67°/44° 💧 None 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Sunny 66°/46° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Sunny 73°/49° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 75°/55° 💧 0.008 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Moderate rain 58°/52° 💧 0.238 in 💨 2 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 75°/55° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 77°/60° 💧 0.007 in 💨 5 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 77°/57° 💧 0.001 in 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 81°/77° 💧 0.001 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Thermopolis

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Thermopolis

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 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 2,2µg/m³

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

O₃ Ozone Fair 75,9µg/m³

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

NO₂ Nitrogen dioxide Good 0,1µg/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 Thermopolis

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 6,5High 🙂Fair

Tomorrow UV 7,1High 🙂Fair

Wednesday UV 6,7High 😐Moderate

Thursday UV 7,1High 😐Moderate

Friday UV 7,0High 🙂Fair

Saturday UV 7,0High —Unavailable

Sunday UV 6,0High —Unavailable

Hourly UV index today

1:00 PMUV 5,9 2:00 PMUV 5,7 3:00 PMUV 5,3 4:00 PMUV 3,6 5:00 PMUV 1,9 6:00 PMUV 0,7 7:00 PMUV 0,1

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

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 Thermopolis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · THERMOPOLIS, WYOMING

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:17 PM–5:05 AM

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

☾ Moonlight 12% Waning Crescent · Moon about 12° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 85° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

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

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Forecast data for Thermopolis were last refreshed today at 12:36 PM. The current forecast period extends through 09/09/2026 at 10:00 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.