Alton, UT Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Alton, UT in one place.
Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. North wind around 1 mph.
Local Weather Overview
This forecast page for Alton, 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: Aug 11, 2026 7:05 AM MDT.
The active forecast window currently covers Aug 11 to Aug 17, 2026 for Alton, UT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 17, 2026
- Latest sync
- Aug 11, 2026 7:05 AM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Alton
Tuesday looks like the warmest upcoming period in Alton at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 0 to 8 mph WSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 11, 2026 7:05 AM 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 noon. Partly sunny. High near 85, with temperatures falling to around 79 in the afternoon. West northwest wind 2 to 6 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. North northwest wind 0 to 6 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. West wind 1 to 7 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50. West northwest wind 0 to 6 mph. Chance of precipitation is 40%.
A chance of rain showers before 9am, then showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Showers and thunderstorms likely. Partly sunny, with a high near 73.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Partly cloudy, with a low around 47.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Partly cloudy, with a low around 49.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 11
|
Mostly Cloudy
|
55°F |
1 mph
N
|
|
Tuesday
Aug 11
|
Partly Sunny then Chance Showers And Thunderstorms
|
85°F |
2 to 6 mph
WNW
|
|
Tuesday Night
Aug 11
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
52°F |
0 to 6 mph
NNW
|
|
Wednesday
Aug 12
|
Partly Sunny then Chance Showers And Thunderstorms
|
80°F |
1 to 7 mph
W
|
|
Wednesday Night
Aug 12
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
50°F |
0 to 6 mph
WNW
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
73°F |
0 to 8 mph
WSW
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms
|
47°F |
0 to 7 mph
W
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely
|
73°F |
0 to 6 mph
WSW
|
|
Friday Night
Aug 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
46°F |
0 to 5 mph
WNW
|
|
Saturday
Aug 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
0 to 6 mph
SW
|
|
Saturday Night
Aug 15
|
Partly Cloudy
|
47°F |
0 to 5 mph
WNW
|
|
Sunday
Aug 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
0 to 6 mph
W
|
|
Sunday Night
Aug 16
|
Partly Cloudy
|
49°F |
0 to 6 mph
WNW
|
|
Monday
Aug 17
|
Sunny
|
80°F |
0 to 8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alton.