Barnum, WY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Barnum, WY in one place.
Sunny, with a high near 53. Southwest wind 2 to 9 mph.
Local Weather Overview
This forecast page for Barnum, 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 6:31 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Barnum, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:31 PM MST
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Barnum
Sunday looks like the warmest upcoming period in Barnum at 65 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Sunday at about 9 to 20 mph W.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:31 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
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 35. West wind 8 to 15 mph, with gusts as high as 21 mph.
Sunny, with a high near 59. West southwest wind 3 to 13 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 38. West southwest wind 5 to 16 mph, with gusts as high as 22 mph.
Sunny, with a high near 65. West wind 9 to 20 mph, with gusts as high as 29 mph.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 61.
Mostly clear, with a low around 39.
Sunny, with a high near 61.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
53°F |
2 to 9 mph
SW
|
|
Friday Night
Nov 6
|
Mostly Clear
|
35°F |
8 to 15 mph
W
|
|
Saturday
Nov 7
|
Sunny
|
59°F |
3 to 13 mph
WSW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
38°F |
5 to 16 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
65°F |
9 to 20 mph
W
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
38°F |
3 to 9 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
58°F |
6 mph
WSW
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
40°F |
5 to 13 mph
WSW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
61°F |
7 to 13 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
39°F |
7 to 13 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
61°F |
8 to 12 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
41°F |
8 to 13 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Barnum.