Harper, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harper, WY in one place.
Mostly sunny. High near 50, with temperatures falling to around 44 in the afternoon. West wind 5 to 15 mph.
Local Weather Overview
This forecast page for Harper, WY 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: Nov 5, 2026 6:34 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Harper, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:34 PM MST
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Harper
Sunday looks like the warmest upcoming period in Harper at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 20 mph W.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:34 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KCYS
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 29. West wind 5 to 10 mph.
Sunny, with a high near 52. West wind 5 to 10 mph.
Mostly clear, with a low around 31.
Sunny, with a high near 60.
Mostly clear, with a low around 36.
Sunny, with a high near 59.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 35.
Sunny, with a high near 55.
Mostly clear, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
50°F |
5 to 15 mph
W
|
|
Friday Night
Nov 6
|
Mostly Clear
|
29°F |
5 to 10 mph
W
|
|
Saturday
Nov 7
|
Sunny
|
52°F |
5 to 10 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
31°F |
5 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
60°F |
5 to 15 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
36°F |
5 to 10 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
59°F |
5 to 10 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
35°F |
5 mph
SW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
57°F |
5 to 20 mph
W
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
35°F |
5 to 10 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
55°F |
5 to 15 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
35°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harper.