Fort Johnson, UT Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Johnson, UT in one place.
A slight chance of showers and thunderstorms between 9am and noon. Sunny, with a high near 81. South southwest wind 6 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Fort Johnson, UT 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: Sep 14, 2026 8:29 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Fort Johnson, UT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 8:29 PM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Johnson
Wednesday looks like the warmest upcoming period in Fort Johnson at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 20 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 8:29 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- SLC
- Radar station
- KICX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 9pm. Partly cloudy. Low around 56, with temperatures rising to around 60 overnight. South wind 8 to 17 mph. Chance of precipitation is 30%.
Sunny, with a high near 82. South southeast wind 9 to 20 mph, with gusts as high as 32 mph.
Mostly clear, with a low around 55. South wind 7 to 15 mph.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Mostly clear, with a low around 52.
Sunny, with a high near 80.
Clear, with a low around 50.
Sunny, with a high near 80.
Clear, with a low around 49.
Sunny, with a high near 80.
Mostly clear, with a low around 49.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Slight Chance Showers And Thunderstorms then Sunny
|
81°F |
6 to 18 mph
SSW
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms
|
56°F |
8 to 17 mph
S
|
|
Wednesday
Sep 16
|
Sunny
|
82°F |
9 to 20 mph
SSE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
55°F |
7 to 15 mph
S
|
|
Thursday
Sep 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
7 to 17 mph
S
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
52°F |
6 to 15 mph
S
|
|
Friday
Sep 18
|
Sunny
|
80°F |
5 to 12 mph
S
|
|
Friday Night
Sep 18
|
Clear
|
50°F |
2 to 10 mph
SSE
|
|
Saturday
Sep 19
|
Sunny
|
80°F |
1 to 6 mph
N
|
|
Saturday Night
Sep 19
|
Clear
|
49°F |
1 to 7 mph
NE
|
|
Sunday
Sep 20
|
Sunny
|
80°F |
1 to 6 mph
NNE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
49°F |
2 to 7 mph
ESE
|
|
Monday
Sep 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
79°F |
1 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Johnson.