Live Weather & Forecast

Weather in Riverton

Wyoming, United States · Real-time conditions & 3-day outlook

Flag of United States
Clear
8°C
Feels like 7°C
47°F / Feels 44°F
Clear
Riverton, Wyoming
🌙 Nighttime
Updated: 2026-04-12 23:00
💧
Humidity
39%
💨
Wind
9 km/h SSE
🌬️
Wind Gust
15.9 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-1.8°C
🌐
Wind Degree
168°

Air Quality Index

US EPA: Good UK DEFRA: Low (2)
CO
139.9 μg/m³
NO₂
2.9 μg/m³
O₃
67 μg/m³
SO₂
1.1 μg/m³
PM 2.5
13.3 μg/m³
PM 10
55.4 μg/m³

Weather Alerts 1

Met · Severe · Expected
Red Flag Warning issued April 12 at 11:30AM MDT until April 12 at 8:00PM MDT by NWS Riverton WY

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect until 8 PM MDT this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: Southwest 15 to 25 mph with gusts up to 40 mph....

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T11:30:00-06:00  ·  Expires: 2026-04-12T20:00:00-06:00

Today's Hourly Forecast

24-hour breakdown for Riverton, Wyoming

12 AM
Partly Cloudy
8°
Partly Cloudy
💧 66% 💨 12.2 km/h
1 AM
Overcast
7°
Overcast
💧 69% 💨 9.7 km/h
2 AM
Cloudy
6°
Cloudy
💧 76% 💨 6.5 km/h
3 AM
Cloudy
4°
Cloudy
💧 81% 💨 6.5 km/h
4 AM
Partly Cloudy
3°
Partly Cloudy
💧 87% 💨 4.3 km/h
5 AM
Clear
2°
Clear
💧 90% 💨 4.3 km/h
6 AM
Clear
2°
Clear
💧 90% 💨 3.2 km/h
7 AM
Sunny
3°
Sunny
💧 90% 💨 4.7 km/h
8 AM
Sunny
5°
Sunny
💧 73% 💨 4.7 km/h
9 AM
Sunny
8°
Sunny
💧 49% 💨 4 km/h
10 AM
Sunny
12°
Sunny
💧 39% 💨 4.7 km/h
11 AM
Sunny
15°
Sunny
💧 32% 💨 5.8 km/h
12 PM
Sunny
17°
Sunny
💧 28% 💨 10.1 km/h
1 PM
Sunny
18°
Sunny
💧 25% 💨 27.4 km/h
2 PM
Sunny
19°
Sunny
💧 23% 💨 34.2 km/h
3 PM
Sunny
19°
Sunny
💧 19% 💨 33.8 km/h
4 PM
Sunny
19°
Sunny
💧 19% 💨 41.8 km/h
5 PM
Sunny
18°
Sunny
💧 19% 💨 29.9 km/h
6 PM
Cloudy
16°
Cloudy
💧 23% 💨 33.1 km/h
7 PM
Cloudy
14°
Cloudy
💧 37% 💨 36 km/h
8 PM
Clear
12°
Clear
💧 35% 💨 23 km/h
9 PM
Clear
11°
Clear
💧 40% 💨 15.8 km/h
10 PM
Clear
9°
Clear
💧 46% 💨 7.9 km/h
11 PM
Clear
8°
Clear
💧 39% 💨 9 km/h

3-Day Forecast

Daily overview for Riverton, Wyoming

Today
Sunny
Sunny
20° / 1°
🌧️ 0% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 41.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
Sunny
16° / 0°
🌧️ 0% chance of rain
💧 Avg. humidity: 41%
💨 Max wind: 39.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:35 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
Sunny
16° / -3°
🌧️ 0% chance of rain
💧 Avg. humidity: 42%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Riverton

Plan your trip to Riverton, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Riverton 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Riverton?
Current conditions in Riverton: Clear, temperature 8°C, humidity 39%.
What is the best time to visit Riverton?
The best time to visit Riverton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Riverton?
Riverton is located at approximately 43° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Riverton?
The wettest period in Riverton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Riverton?
For visits to Riverton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Riverton in?
Riverton is located in United States, in the state of Wyoming.
What are the public holidays in Riverton in 2026?
View the 2026 public holidays for Riverton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Riverton?
The weather forecast for Riverton uses coordinates 43.0247, -108.3807.