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Grand Lake, CO 80447 Weather

Today: Mostly Sunny, high 48°F, low 26°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Grand Lake, CO 80447 current weather

47°F

Mostly Sunny

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

H 48° / L 26°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 11:46 AM PT

Hourly forecast

NWS, updated 10/28/2026, 11:46 AM PT

  1. Now47°
  2. 4 PM46°
  3. 5 PM45°
  4. 6 PM41°
  5. 7 PM37°
  6. 8 PM36°
  7. 9 PM35°
  8. 10 PM34°
  9. 11 PM33°
  10. 12 AM32°Thu
  11. 1 AM31°
  12. 2 AM30°
  13. 3 AM29°
  14. 4 AM29°
  15. 5 AM27°
  16. 6 AM27°
  17. 7 AM27°
  18. 8 AM27°
  19. 9 AM33°
  20. 10 AM39°
  21. 11 AM42°
  22. 12 PM47°
  23. 1 PM48°
  24. 2 PM48°
  25. 3 PM50°
  26. 4 PM48°
  27. 5 PM47°
  28. 6 PM42°
  29. 7 PM38°
  30. 8 PM36°
  31. 9 PM34°
  32. 10 PM34°
  33. 11 PM33°
  34. 12 AM32°Fri
  35. 1 AM32°
  36. 2 AM31°
  37. 3 AM31°
  38. 4 AM30°
  39. 5 AM30°
  40. 6 AM30°
  41. 7 AM29°
  42. 8 AM31°
  43. 9 AM35°
  44. 10 AM40°
  45. 11 AM45°
  46. 12 PM49°
  47. 1 PM51°
  48. 2 PM52°

7-day forecast

Tap a day for details

  • Today10/28Low 26°High 48°

    This Afternoon: Mostly sunny. High near 48, with temperatures falling to around 45 in the afternoon. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Tonight: Mostly clear, with a low around 26. South wind around 6 mph.

    Mostly Sunny
  • Thu10/29Low 28°High 51°

    Thursday: Mostly sunny. High near 51, with temperatures falling to around 47 in the afternoon. South southwest wind 2 to 8 mph, with gusts as high as 18 mph.

    Thursday Night: Partly cloudy, with a low around 28. South wind around 3 mph.

    Mostly Sunny
  • Fri10/30Low 28°High 52°

    Friday: Partly sunny, with a high near 52. Southwest wind 1 to 6 mph, with gusts as high as 16 mph.

    Friday Night: Partly cloudy, with a low around 28.

    Partly Sunny
  • Sat10/3115% chance of precipitationLow 27°High 52°

    Saturday: Partly sunny, with a high near 52.

    Saturday Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 27.

    Partly Sunny
  • Sun11/184% chance of precipitationLow 26°High 50°

    Sunday: A chance of rain showers before 5pm, then rain and snow showers. Mostly cloudy, with a high near 50.

    Sunday Night: Rain and snow showers. Cloudy, with a low around 26. New snow accumulation of 2 to 4 inches possible.

    Chance Rain Showers then Rain And Snow Showers
  • Mon11/284% chance of precipitationLow 20°High 37°

    Monday: Snow showers. Mostly cloudy, with a high near 37. New snow accumulation of 3 to 7 inches possible.

    Monday Night: Snow showers. Mostly cloudy, with a low around 20. New snow accumulation of 1 to 3 inches possible.

    Snow Showers
  • Tue11/337% chance of precipitationLow 20°High 41°

    Tuesday: A chance of snow showers. Partly sunny, with a high near 41. Little or no snow accumulation expected.

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 20.

    Chance Snow Showers

Forecast for 40.322, -105.820 from the NWS BOU office, updated 10/28/2026, 11:46 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. Now47°Mostly Sunny0%13 mph
  2. 4 PM46°Mostly Sunny0%12 mph
  3. 5 PM45°Mostly Sunny0%8 mph
  4. 6 PM41°Partly Cloudy0%6 mph
  5. 7 PM37°Partly Cloudy0%5 mph
  6. 8 PM36°Partly Cloudy0%5 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 (last 50 min) and GOES

Latest

Frequently asked questions

What is the high temperature today in Grand Lake, CO 80447?
The National Weather Service forecast for this afternoon calls for a high near 48°F. Mostly Sunny.
Will it rain in Grand Lake, CO 80447 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 Grand Lake, CO 80447 today?
Sunrise is about 7:28 AM MDT and sunset is about 6:05 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Grand Lake, CO 80447?
At Grand Lake 1 NW, the 1991 to 2020 normal high in October is 55°F and the normal low is 23°F.

Nearby hazards

Colorado 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

UV and air quality forecast

EPA and AirNow

AQI forecast today (Rocky Mountain National Park)
49GoodOzone
AQI forecast tomorrow (Rocky Mountain National Park)
50GoodOzone

UV index guide · Air quality

Drought

By county

Grand County, week of 10/20/2026

100% of the county is in moderate drought or worse, 88% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:28 AM
Sunset
6:05 PM
Daylight
10 hr 36 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
7 AM
Last light (civil dusk)
6:33 PM
Moonrise
7:33 PM
Moonset
10:37 AM

Normal October weather

Climate

Normal October high 55°, low 23°, precipitation 1.27 in for the month. 1991 to 2020 normals at Grand Lake 1 NW, 4 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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