Jamestown, CO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, CO in one place.
Mostly sunny, with a high near 78. West southwest wind 6 to 15 mph, with gusts as high as 26 mph.
Local Weather Overview
This forecast page for Jamestown, 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: Jun 8, 2026 12:07 AM MDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Jamestown, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 12:07 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Tuesday looks like the warmest upcoming period in Jamestown at 78 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 21 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 12:07 AM MDT
- Coverage
- 6 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, with a low around 52. West wind 7 to 15 mph, with gusts as high as 24 mph.
Sunny, with a high near 73.
Mostly clear, with a low around 44.
Sunny, with a high near 70.
Mostly clear, with a low around 48.
Sunny, with a high near 74.
Mostly clear, with a low around 49.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 68.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
78°F |
6 to 15 mph
WSW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
52°F |
7 to 15 mph
W
|
|
Wednesday
Jun 10
|
Sunny
|
73°F |
8 to 21 mph
W
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
44°F |
3 to 21 mph
W
|
|
Thursday
Jun 11
|
Sunny
|
70°F |
3 to 8 mph
WSW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
48°F |
1 to 8 mph
SW
|
|
Friday
Jun 12
|
Sunny
|
74°F |
2 to 8 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
49°F |
1 to 8 mph
W
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
68°F |
1 to 7 mph
E
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
47°F |
0 to 5 mph
NNE
|
|
Sunday
Jun 14
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
63°F |
0 to 7 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.