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Current weather in Riverton is broken clouds.

Where can I find the hourly weather forecast for Riverton?

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

Is the weather forecast for Riverton updated regularly?

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

Now · 5:37 PM

Riverton Weather & Hourly Forecast

United States · Wyoming · 82501

81°F

Mostly cloudy

Feels like: 80°F

💧 Humidity 27% 🌡 Pressure 29.71 inHg 💨 Wind 13 mph 👁 Visibility 6.2 mi ☁ Clouds 72% ☀️ UV index 1.7 · Low 🌅 Sunrise 6:38 AM 🌇 Sunset 7:49 PM

Hourly Forecast for Riverton

Today

6:00 PM

Mostly cloudy

81° 💧 None 💨 13 mph H 27%29.71 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 8 mph H 30%29.77 inHg

Tomorrow

12:00 AM

Mostly cloudy night

67° 💧 None 💨 13 mph H 37%29.83 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 10 mph H 42%29.83 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 9 mph H 50%29.83 inHg

9:00 AM

Sunny

70° 💧 None 💨 15 mph H 24%29.80 inHg

12:00 PM

Sunny

82° 💧 None 💨 24 mph H 17%29.71 inHg

3:00 PM

Partly cloudy

86° 💧 None 💨 25 mph H 14%29.65 inHg

6:00 PM

Partly cloudy

80° 💧 None 💨 23 mph H 12%29.62 inHg

9:00 PM

Partly cloudy night

64° 💧 None 💨 10 mph H 13%29.71 inHg

Thursday

12:00 AM

Partly cloudy night

62° 💧 None 💨 7 mph H 18%29.74 inHg

3:00 AM

Overcast night

55° 💧 None 💨 8 mph H 20%29.77 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 13 mph H 22%29.77 inHg

9:00 AM

Mostly cloudy

73° 💧 None 💨 15 mph H 11%29.74 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 21 mph H 8%29.71 inHg

3:00 PM

Partly cloudy

85° 💧 None 💨 25 mph H 7%29.65 inHg

Today

6:00 PM

Mostly cloudy

81° 💧 None 💨 13 mph H 27%29.71 inHg

7:00 PM

Mostly cloudy

81° 💧 None 💨 13 mph H 26%29.71 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 11 mph H 28%29.71 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 8 mph H 30%29.77 inHg

10:00 PM

Partly cloudy night

69° 💧 None 💨 12 mph H 31%29.80 inHg

11:00 PM

Partly cloudy night

68° 💧 None 💨 20 mph H 37%29.83 inHg

Tomorrow

12:00 AM

Mostly cloudy night

67° 💧 None 💨 13 mph H 37%29.83 inHg

1:00 AM

Mostly cloudy night

66° 💧 None 💨 8 mph H 39%29.83 inHg

2:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 42%29.83 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 10 mph H 42%29.83 inHg

4:00 AM

Mostly clear night

58° 💧 None 💨 8 mph H 45%29.83 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 9 mph H 49%29.83 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 9 mph H 50%29.83 inHg

7:00 AM

Sunny

60° 💧 None 💨 10 mph H 48%29.85 inHg

8:00 AM

Sunny

65° 💧 None 💨 12 mph H 35%29.83 inHg

9:00 AM

Sunny

70° 💧 None 💨 15 mph H 24%29.80 inHg

10:00 AM

Sunny

76° 💧 None 💨 21 mph H 18%29.77 inHg

11:00 AM

Sunny

79° 💧 None 💨 24 mph H 18%29.74 inHg

12:00 PM

Sunny

82° 💧 None 💨 24 mph H 17%29.71 inHg

1:00 PM

Sunny

83° 💧 None 💨 23 mph H 15%29.68 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 24 mph H 14%29.68 inHg

3:00 PM

Partly cloudy

86° 💧 None 💨 25 mph H 14%29.65 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 25 mph H 12%29.62 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 24 mph H 11%29.62 inHg

6:00 PM

Partly cloudy

80° 💧 None 💨 23 mph H 12%29.62 inHg

7:00 PM

Sunny

76° 💧 None 💨 16 mph H 12%29.62 inHg

8:00 PM

Partly cloudy night

67° 💧 None 💨 11 mph H 14%29.65 inHg

9:00 PM

Partly cloudy night

64° 💧 None 💨 10 mph H 13%29.71 inHg

10:00 PM

Mostly cloudy night

63° 💧 None 💨 10 mph H 14%29.71 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 9 mph H 16%29.74 inHg

Thursday

12:00 AM

Partly cloudy night

62° 💧 None 💨 7 mph H 18%29.74 inHg

1:00 AM

Overcast night

60° 💧 None 💨 6 mph H 19%29.74 inHg

2:00 AM

Overcast night

58° 💧 None 💨 8 mph H 19%29.74 inHg

3:00 AM

Overcast night

55° 💧 None 💨 8 mph H 20%29.77 inHg

4:00 AM

Overcast night

53° 💧 None 💨 9 mph H 21%29.77 inHg

5:00 AM

Mostly cloudy night

54° 💧 None 💨 10 mph H 22%29.77 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 13 mph H 22%29.77 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 11 mph H 20%29.77 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 13 mph H 15%29.77 inHg

9:00 AM

Mostly cloudy

73° 💧 None 💨 15 mph H 11%29.74 inHg

10:00 AM

Mostly cloudy

77° 💧 None 💨 16 mph H 8%29.74 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 16 mph H 8%29.71 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 21 mph H 8%29.71 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 21 mph H 7%29.68 inHg

2:00 PM

Mostly sunny

85° 💧 None 💨 21 mph H 7%29.65 inHg

3:00 PM

Partly cloudy

85° 💧 None 💨 25 mph H 7%29.65 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 22 mph H 8%29.65 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 21 mph H 8%29.62 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 19 mph H 9%29.62 inHg

7:00 PM

Sunny

82° 💧 None 💨 15 mph H 10%29.62 inHg

8:00 PM

Clear night

75° 💧 None 💨 7 mph H 12%29.62 inHg

9:00 PM

Clear night

73° 💧 None 💨 12 mph H 14%29.68 inHg

10:00 PM

Clear night

72° 💧 None 💨 10 mph H 16%29.68 inHg

11:00 PM

Clear night

71° 💧 None 💨 10 mph H 19%29.68 inHg

Friday

12:00 AM

Mostly clear night

70° 💧 None 💨 10 mph H 20%29.68 inHg

1:00 AM

Clear night

69° 💧 None 💨 9 mph H 21%29.68 inHg

2:00 AM

Clear night

68° 💧 None 💨 10 mph H 24%29.68 inHg

3:00 AM

Clear night

68° 💧 None 💨 10 mph H 27%29.68 inHg

4:00 AM

Clear night

67° 💧 None 💨 9 mph H 29%29.68 inHg

5:00 AM

Clear night

65° 💧 None 💨 8 mph H 31%29.68 inHg

6:00 AM

Clear night

64° 💧 None 💨 6 mph H 34%29.68 inHg

7:00 AM

Sunny

63° 💧 None 💨 6 mph H 33%29.71 inHg

8:00 AM

Sunny

69° 💧 None 💨 7 mph H 26%29.71 inHg

9:00 AM

Sunny

74° 💧 None 💨 12 mph H 21%29.71 inHg

10:00 AM

Sunny

78° 💧 None 💨 12 mph H 18%29.68 inHg

11:00 AM

Sunny

83° 💧 None 💨 18 mph H 12%29.65 inHg

12:00 PM

Sunny

85° 💧 None 💨 24 mph H 10%29.65 inHg

1:00 PM

Sunny

86° 💧 None 💨 26 mph H 9%29.65 inHg

2:00 PM

Sunny

87° 💧 None 💨 26 mph H 9%29.65 inHg

3:00 PM

Sunny

87° 💧 None 💨 22 mph H 12%29.65 inHg

4:00 PM

Sunny

88° 💧 None 💨 21 mph H 11%29.62 inHg

5:00 PM

Sunny

87° 💧 None 💨 22 mph H 11%29.62 inHg

6:00 PM

Sunny

86° 💧 None 💨 19 mph H 12%29.62 inHg

7:00 PM

Sunny

83° 💧 None 💨 17 mph H 14%29.65 inHg

8:00 PM

Clear night

77° 💧 None 💨 9 mph H 17%29.68 inHg

9:00 PM

Clear night

74° 💧 None 💨 8 mph H 19%29.71 inHg

10:00 PM

Clear night

73° 💧 None 💨 6 mph H 21%29.74 inHg

11:00 PM

Clear night

70° 💧 None 💨 5 mph H 22%29.77 inHg

Saturday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 24%29.83 inHg

1:00 AM

Clear night

66° 💧 None 💨 5 mph H 25%29.83 inHg

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 26%29.83 inHg

3:00 AM

Clear night

63° 💧 None 💨 2 mph H 27%29.83 inHg

4:00 AM

Clear night

62° 💧 None 💨 2 mph H 30%29.85 inHg

5:00 AM

Clear night

62° 💧 None 💨 2 mph H 29%29.85 inHg

6:00 AM

Clear night

61° 💧 None 💨 2 mph H 30%29.88 inHg

7:00 AM

Sunny

61° 💧 None 💨 1 mph H 31%29.88 inHg

8:00 AM

Sunny

68° 💧 None 💨 1 mph H 24%29.91 inHg

9:00 AM

Sunny

72° 💧 None 💨 1 mph H 21%29.91 inHg

10:00 AM

Sunny

77° 💧 None 💨 3 mph H 18%29.88 inHg

11:00 AM

Sunny

82° 💧 None 💨 7 mph H 16%29.85 inHg

12:00 PM

Sunny

85° 💧 None 💨 13 mph H 17%29.83 inHg

1:00 PM

Sunny

87° 💧 None 💨 19 mph H 16%29.80 inHg

2:00 PM

Sunny

88° 💧 None 💨 21 mph H 15%29.77 inHg

3:00 PM

Sunny

89° 💧 None 💨 19 mph H 14%29.77 inHg

4:00 PM

Sunny

89° 💧 None 💨 14 mph H 13%29.74 inHg

5:00 PM

Sunny

89° 💧 None 💨 7 mph H 14%29.71 inHg

In Riverton and, more broadly, across the state of Wyoming: As the afternoon transitions into evening, expect the sky to remain mostly sunny with just a few clouds drifting by. Temperatures will stay mild, ranging from around 67 to 74 degrees Fahrenheit. Winds will be noticeably west at speeds up to 25 mph, with gusts reaching as high as 29 mph, so be prepared for a breezy evening. No rain is expected, and skies should remain dry through the night. Overall, it looks like a pleasant evening with comfortable temperatures and moderate winds.

15-Day Weather Outlook for Riverton

TomorrowTomorrow

Sunny 86°/57° 💧 None 💨 25 mph

Thursday, Sep 3Thu Sep 3

Mostly sunny 85°/53° 💧 None 💨 25 mph

Friday, Sep 4Fri Sep 4

Sunny 88°/63° 💧 None 💨 26 mph

Saturday, Sep 5Sat Sep 5

Light rain 89°/61° 💧 0.01 in 💨 19 mph

Sunday, Sep 6Sun Sep 6

Sunny 89°/64° 💧 None 💨 24 mph

Monday, Sep 7Mon Sep 7

Light rain 72°/63° 💧 0.02 in 💨 12 mph

Tuesday, Sep 8Tue Sep 8

Light rain 79°/60° 💧 0.09 in 💨 28 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 80°/53° 💧 None 💨 20 mph

Thursday, Sep 10Thu Sep 10

Light rain 64°/49° 💧 0.10 in 💨 17 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 73°/51° 💧 None 💨 14 mph

Saturday, Sep 12Sat Sep 12

Light rain 58°/48° 💧 0.01 in 💨 18 mph

Sunday, Sep 13Sun Sep 13

Sunny 67°/42° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Sunny 79°/51° 💧 None 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Overcast 85°/58° 💧 None 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 88°/63° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Riverton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Riverton

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 PM

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 2,0µg/m³

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

O₃ Ozone Fair 71,3µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 Riverton

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 7,6High 🙂Fair

Tomorrow UV 7,5High 🙂Fair

Thursday UV 7,5High 😐Moderate

Friday UV 7,5High 🙂Fair

Saturday UV 7,6High 🙂Fair

Sunday UV 8,0Very high —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

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 Riverton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.13 Population: 10,856

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Forecast data for Riverton were last refreshed today at 5:37 PM. The current forecast period extends through 03/09/2026 at 3:00 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.