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Boulder, WY Weather

Today: Mostly Sunny, high 51°F, low 28°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Boulder, WY current weather

43°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 51° / L 28°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:01 AM PT

Hourly forecast

NWS, updated 10/29/2026, 11:01 AM PT

  1. Now43°
  2. 1 PM46°
  3. 2 PM48°
  4. 3 PM50°
  5. 4 PM49°
  6. 5 PM49°
  7. 6 PM48°
  8. 7 PM44°
  9. 8 PM42°
  10. 9 PM41°
  11. 10 PM40°
  12. 11 PM38°
  13. 12 AM37°Fri
  14. 1 AM36°
  15. 2 AM34°
  16. 3 AM34°
  17. 4 AM32°
  18. 5 AM32°
  19. 6 AM30°
  20. 7 AM29°
  21. 8 AM29°
  22. 9 AM31°
  23. 10 AM38°
  24. 11 AM43°
  25. 12 PM47°
  26. 1 PM52°
  27. 2 PM52°
  28. 3 PM52°
  29. 4 PM53°
  30. 5 PM51°
  31. 6 PM50°18%
  32. 7 PM48°34%
  33. 8 PM44°36%
  34. 9 PM42°38%
  35. 10 PM41°17%
  36. 11 PM40°
  37. 12 AM38°Sat
  38. 1 AM37°12%
  39. 2 AM36°31%
  40. 3 AM36°56%
  41. 4 AM33°60%
  42. 5 AM33°56%
  43. 6 AM32°38%
  44. 7 AM31°38%
  45. 8 AM31°38%
  46. 9 AM33°38%
  47. 10 AM36°38%
  48. 11 AM40°38%

7-day forecast

Tap a day for details

  • Today10/29Low 28°High 51°

    This Afternoon: Mostly sunny, with a high near 51. South southeast wind around 3 mph.

    Tonight: Mostly cloudy. Low around 28, with temperatures rising to around 32 overnight. East northeast wind around 5 mph.

    Mostly Sunny
  • Fri10/3060% chance of precipitationLow 30°High 54°

    Friday: Partly sunny, with a high near 54. Southeast wind 2 to 6 mph.

    Friday Night: Rain showers likely. Mostly cloudy, with a low around 30. East wind around 3 mph. Chance of precipitation is 60%.

    Partly Sunny
  • Sat10/3164% chance of precipitationLow 30°High 50°

    Saturday: A chance of rain showers. Mostly cloudy, with a high near 50. East southeast wind around 3 mph. Chance of precipitation is 40%.

    Saturday Night: Rain showers likely after 5am. Mostly cloudy, with a low around 30. East southeast wind 2 to 7 mph. Chance of precipitation is 60%.

    Chance Rain Showers
  • Sun11/191% chance of precipitationLow 29°High 46°

    Sunday: Rain showers likely before 11am, then showers and thunderstorms. Cloudy, with a high near 46. East southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Sunday Night: Showers and thunderstorms before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 90%.

    Showers And Thunderstorms
  • Mon11/225% chance of precipitationLow 25°High 47°

    Monday: A chance of rain and snow showers before 5pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    Monday Night: Partly cloudy, with a low around 25.

    Chance Rain And Snow Showers
  • Tue11/3Low 24°High 46°

    Tuesday: Mostly sunny, with a high near 46.

    Tuesday Night: Partly cloudy, with a low around 24.

    Mostly Sunny
  • Wed11/4Low 24°High 47°

    Wednesday: Mostly sunny, with a high near 47.

    Wednesday Night: Partly cloudy, with a low around 24.

    Mostly Sunny

Forecast for 42.749, -109.708 from the NWS RIW office, updated 10/29/2026, 11:01 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now43°Mostly Sunny0%1 mph
  2. 1 PM46°Partly Sunny0%2 mph
  3. 2 PM48°Mostly Sunny0%2 mph
  4. 3 PM50°Mostly Sunny0%3 mph
  5. 4 PM49°Partly Sunny0%3 mph
  6. 5 PM49°Partly Sunny0%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Boulder, WY?
The National Weather Service forecast for this afternoon calls for a high near 51°F. Mostly Sunny.
Will it rain in Boulder, WY in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Boulder, WY today?
Sunrise is about 7:49 AM MDT and sunset is about 6:15 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Boulder, WY?
At Boulder Rearing Stn, the 1991 to 2020 normal high in October is 58°F and the normal low is 20°F.

Nearby hazards

Wyoming hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Sublette County, week of 10/27/2026

42% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:49 AM
Sunset
6:15 PM
Daylight
10 hr 26 min
Moon
Waning Gibbous 86% lit
First light (civil dawn)
7:20 AM
Last light (civil dusk)
6:44 PM
Moonrise
8:40 PM
Moonset
12:14 PM

Normal October weather

Climate

Normal October high 58°, low 20°, precipitation 0.88 in for the month. 1991 to 2020 normals at Boulder Rearing Stn, 2 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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