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Current weather in Casper is broken clouds.

Where can I find the hourly weather forecast for Casper?

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

Is the weather forecast for Casper updated regularly?

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

Now · 11:35 PM

Casper Weather & Hourly Forecast

United States · Wyoming · 82601

69°F

Mostly cloudy night

Feels like: 68°F

💧 Humidity 53% 🌡 Pressure 29.94 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi ☁ Clouds 53% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:27 AM 🌇 Sunset 7:44 PM

Hourly Forecast for Casper

Tomorrow

12:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 53%29.94 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 7 mph H 56%29.94 inHg

6:00 AM

Clear night

56° 💧 None 💨 6 mph H 68%29.97 inHg

9:00 AM

Sunny

67° 💧 None 💨 14 mph H 35%29.94 inHg

12:00 PM

Partly cloudy

77° 💧 None 💨 17 mph H 17%29.91 inHg

3:00 PM

Overcast

78° 💧 None 💨 18 mph H 8%29.83 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 11 mph H 10%29.80 inHg

9:00 PM

Overcast night

68° 💧 None 💨 2 mph H 17%29.83 inHg

Tuesday

12:00 AM

Light rain

67° 💧 0.01 in 💨 11 mph H 34%29.88 inHg

3:00 AM

Overcast night

62° 💧 None 💨 21 mph H 67%29.88 inHg

6:00 AM

Overcast night

61° 💧 None 💨 13 mph H 57%29.91 inHg

9:00 AM

Overcast

67° 💧 None 💨 13 mph H 53%29.91 inHg

12:00 PM

Mostly cloudy

76° 💧 None 💨 21 mph H 31%29.83 inHg

3:00 PM

Sunny

85° 💧 None 💨 21 mph H 20%29.74 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 19 mph H 17%29.74 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 26%29.83 inHg

Tomorrow

12:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 53%29.94 inHg

1:00 AM

Partly cloudy night

67° 💧 None 💨 5 mph H 52%29.94 inHg

2:00 AM

Partly cloudy night

65° 💧 None 💨 5 mph H 52%29.94 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 7 mph H 56%29.94 inHg

4:00 AM

Mostly clear night

60° 💧 None 💨 7 mph H 64%29.94 inHg

5:00 AM

Clear night

57° 💧 None 💨 7 mph H 67%29.94 inHg

6:00 AM

Clear night

56° 💧 None 💨 6 mph H 68%29.97 inHg

7:00 AM

Sunny

56° 💧 None 💨 5 mph H 66%29.97 inHg

8:00 AM

Sunny

60° 💧 None 💨 9 mph H 49%29.97 inHg

9:00 AM

Sunny

67° 💧 None 💨 14 mph H 35%29.94 inHg

10:00 AM

Mostly sunny

71° 💧 None 💨 18 mph H 27%29.94 inHg

11:00 AM

Partly cloudy

75° 💧 None 💨 18 mph H 20%29.91 inHg

12:00 PM

Partly cloudy

77° 💧 None 💨 17 mph H 17%29.91 inHg

1:00 PM

Overcast

78° 💧 None 💨 16 mph H 12%29.85 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 18 mph H 8%29.83 inHg

3:00 PM

Overcast

78° 💧 None 💨 18 mph H 8%29.83 inHg

4:00 PM

Mostly cloudy

79° 💧 None 💨 16 mph H 8%29.80 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 14 mph H 9%29.80 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 11 mph H 10%29.80 inHg

7:00 PM

Overcast

75° 💧 None 💨 6 mph H 12%29.80 inHg

8:00 PM

Overcast night

70° 💧 None 💨 2 mph H 15%29.83 inHg

9:00 PM

Overcast night

68° 💧 None 💨 2 mph H 17%29.83 inHg

10:00 PM

Overcast night

68° 💧 None 💨 7 mph H 16%29.85 inHg

11:00 PM

Overcast night

68° 💧 None 💨 6 mph H 16%29.85 inHg

Tuesday

12:00 AM

Light rain

67° 💧 0.01 in 💨 11 mph H 34%29.88 inHg

1:00 AM

Overcast night

65° 💧 None 💨 18 mph H 54%29.91 inHg

2:00 AM

Overcast night

63° 💧 None 💨 22 mph H 59%29.91 inHg

3:00 AM

Overcast night

62° 💧 None 💨 21 mph H 67%29.88 inHg

4:00 AM

Overcast night

62° 💧 None 💨 19 mph H 63%29.88 inHg

5:00 AM

Overcast night

63° 💧 None 💨 14 mph H 56%29.91 inHg

6:00 AM

Overcast night

61° 💧 None 💨 13 mph H 57%29.91 inHg

7:00 AM

Overcast

62° 💧 None 💨 13 mph H 61%29.91 inHg

8:00 AM

Overcast

63° 💧 None 💨 10 mph H 58%29.91 inHg

9:00 AM

Overcast

67° 💧 None 💨 13 mph H 53%29.91 inHg

10:00 AM

Overcast

70° 💧 None 💨 16 mph H 39%29.88 inHg

11:00 AM

Mostly cloudy

74° 💧 None 💨 20 mph H 36%29.85 inHg

12:00 PM

Mostly cloudy

76° 💧 None 💨 21 mph H 31%29.83 inHg

1:00 PM

Sunny

82° 💧 None 💨 22 mph H 25%29.80 inHg

2:00 PM

Sunny

84° 💧 None 💨 21 mph H 22%29.77 inHg

3:00 PM

Sunny

85° 💧 None 💨 21 mph H 20%29.74 inHg

4:00 PM

Mostly sunny

86° 💧 None 💨 21 mph H 18%29.74 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 20 mph H 17%29.74 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 19 mph H 17%29.74 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 15 mph H 18%29.74 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 8 mph H 22%29.80 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 26%29.83 inHg

10:00 PM

Mostly cloudy night

72° 💧 None 💨 7 mph H 30%29.85 inHg

11:00 PM

Mostly cloudy night

72° 💧 None 💨 7 mph H 32%29.85 inHg

Wednesday

12:00 AM

Mostly cloudy night

71° 💧 None 💨 7 mph H 33%29.85 inHg

1:00 AM

Overcast night

70° 💧 None 💨 7 mph H 34%29.85 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 7 mph H 35%29.85 inHg

3:00 AM

Mostly cloudy night

67° 💧 None 💨 7 mph H 37%29.85 inHg

4:00 AM

Partly cloudy night

66° 💧 None 💨 7 mph H 41%29.88 inHg

5:00 AM

Partly cloudy night

66° 💧 None 💨 9 mph H 43%29.88 inHg

6:00 AM

Partly cloudy night

66° 💧 None 💨 10 mph H 45%29.88 inHg

7:00 AM

Sunny

65° 💧 None 💨 7 mph H 47%29.88 inHg

8:00 AM

Sunny

71° 💧 None 💨 8 mph H 39%29.88 inHg

9:00 AM

Sunny

75° 💧 None 💨 14 mph H 33%29.85 inHg

10:00 AM

Sunny

78° 💧 None 💨 17 mph H 30%29.83 inHg

11:00 AM

Sunny

82° 💧 None 💨 19 mph H 25%29.83 inHg

12:00 PM

Sunny

84° 💧 None 💨 18 mph H 22%29.77 inHg

1:00 PM

Overcast

86° 💧 None 💨 24 mph H 19%29.74 inHg

2:00 PM

Mostly cloudy

87° 💧 None 💨 30 mph H 16%29.71 inHg

3:00 PM

Partly cloudy

87° 💧 None 💨 29 mph H 15%29.71 inHg

4:00 PM

Partly cloudy

87° 💧 None 💨 29 mph H 14%29.68 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 32 mph H 14%29.68 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 28 mph H 15%29.68 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 24 mph H 20%29.68 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 16 mph H 23%29.71 inHg

9:00 PM

Mostly clear night

73° 💧 None 💨 10 mph H 28%29.77 inHg

10:00 PM

Partly cloudy night

73° 💧 None 💨 6 mph H 27%29.77 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 12 mph H 29%29.77 inHg

Thursday

12:00 AM

Mostly clear night

72° 💧 None 💨 15 mph H 32%29.77 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 9 mph H 29%29.80 inHg

2:00 AM

Clear night

66° 💧 None 💨 8 mph H 26%29.83 inHg

3:00 AM

Clear night

65° 💧 None 💨 8 mph H 25%29.83 inHg

4:00 AM

Clear night

64° 💧 None 💨 8 mph H 27%29.83 inHg

5:00 AM

Clear night

63° 💧 None 💨 8 mph H 28%29.83 inHg

6:00 AM

Clear night

62° 💧 None 💨 8 mph H 26%29.83 inHg

7:00 AM

Sunny

62° 💧 None 💨 7 mph H 25%29.85 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 7 mph H 19%29.85 inHg

9:00 AM

Partly cloudy

73° 💧 None 💨 12 mph H 14%29.83 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 16 mph H 12%29.80 inHg

11:00 AM

Mostly cloudy

79° 💧 None 💨 21 mph H 10%29.80 inHg

12:00 PM

Mostly cloudy

81° 💧 None 💨 21 mph H 9%29.77 inHg

1:00 PM

Overcast

83° 💧 None 💨 21 mph H 8%29.74 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 24 mph H 7%29.71 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 24 mph H 8%29.68 inHg

4:00 PM

Mostly cloudy

86° 💧 None 💨 23 mph H 9%29.68 inHg

5:00 PM

Mostly cloudy

85° 💧 None 💨 25 mph H 10%29.65 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 23 mph H 12%29.65 inHg

7:00 PM

Overcast

81° 💧 None 💨 20 mph H 13%29.68 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 13 mph H 16%29.71 inHg

9:00 PM

Partly cloudy night

72° 💧 None 💨 8 mph H 20%29.74 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 8 mph H 21%29.74 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 9 mph H 21%29.74 inHg

In Casper and, more broadly, across the state of Wyoming: The evening will be mostly cloudy with mild temperatures hovering around 68 degrees. Winds will be gentle, coming from the west at no more than 6 mph, with occasional gusts up to 8 mph. No precipitation is expected during the night or the early hours of the next day. Conditions will be fairly calm, making for a comfortable evening. Temperatures are unlikely to fluctuate significantly, remaining steady in the low to mid-60s overnight. Overall, it should be a peaceful and mild evening with minimal wind and no rain.

15-Day Weather Outlook for Casper

TomorrowTomorrow

Overcast 79°/56° 💧 None 💨 18 mph

Tuesday, Sep 1Tue Sep 1

Light rain 86°/61° 💧 0.01 in 💨 22 mph

Wednesday, Sep 2Wed Sep 2

Overcast 87°/65° 💧 None 💨 32 mph

Thursday, Sep 3Thu Sep 3

Mostly cloudy 85°/62° 💧 None 💨 24 mph

Friday, Sep 4Fri Sep 4

Sunny 89°/65° 💧 None 💨 24 mph

Saturday, Sep 5Sat Sep 5

Sunny 90°/68° 💧 None 💨 14 mph

Sunday, Sep 6Sun Sep 6

Mostly cloudy 87°/69° 💧 None 💨 19 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 92°/69° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Sunny 94°/71° 💧 None 💨 18 mph

Wednesday, Sep 9Wed Sep 9

Sunny 92°/64° 💧 None 💨 15 mph

Thursday, Sep 10Thu Sep 10

Sunny 79°/59° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Sunny 90°/56° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Sunny 86°/65° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Light rain 92°/62° 💧 0.08 in 💨 23 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 79°/51° 💧 None 💨 21 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Casper

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Casper

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 AM

PM2.5 Fine particles Good 0,5µg/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 0,6µg/m³

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

O₃ Ozone Fair 64,5µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/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 Casper

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 7,8High —Unavailable

Tomorrow UV 7,4High 🙂Fair

Tuesday UV 7,9High 🙂Fair

Wednesday UV 8,2Very high 🙂Fair

Thursday UV 7,7High 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 7,0High —Unavailable

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.

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 Casper

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.55 Population: 58,839

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Forecast data for Casper were last refreshed today at 11:35 PM. The current forecast period extends through 01/09/2026 at 9:00 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.