Grand Lake, CO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Lake, CO in one place.
Mostly sunny, with a high near 61. West southwest wind 7 to 17 mph, with gusts as high as 28 mph.
Local Weather Overview
This forecast page for Grand Lake, CO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 31, 2026 1:44 AM MDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for Grand Lake, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 1:44 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Lake
Saturday looks like the warmest upcoming period in Grand Lake at 75 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 7 to 17 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 1:44 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 34, with temperatures rising to around 36 overnight. North northeast wind 3 to 13 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms after noon. Sunny, with a high near 68. South wind 3 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 36. East southeast wind 3 to 8 mph.
Sunny, with a high near 73.
Partly cloudy, with a low around 38.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Mostly cloudy, with a low around 38.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 38.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 74.
Partly cloudy, with a low around 38.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Mostly Sunny
|
61°F |
7 to 17 mph
WSW
|
|
Sunday Night
May 31
|
Mostly Clear
|
34°F |
3 to 13 mph
NNE
|
|
Monday
Jun 1
|
Sunny then Chance Showers And Thunderstorms
|
68°F |
3 to 8 mph
S
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
36°F |
3 to 8 mph
ESE
|
|
Tuesday
Jun 2
|
Sunny
|
73°F |
2 to 8 mph
SW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
38°F |
1 to 8 mph
NE
|
|
Wednesday
Jun 3
|
Mostly Sunny then Chance Showers And Thunderstorms
|
72°F |
1 to 6 mph
NW
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy
|
38°F |
2 to 6 mph
NE
|
|
Thursday
Jun 4
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
72°F |
2 to 9 mph
WNW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
38°F |
2 to 9 mph
WNW
|
|
Friday
Jun 5
|
Sunny then Slight Chance Showers And Thunderstorms
|
74°F |
2 to 9 mph
WNW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
38°F |
2 to 9 mph
N
|
|
Saturday
Jun 6
|
Mostly Sunny then Chance Showers And Thunderstorms
|
75°F |
1 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Lake.