10-day forecast for Alta, UT: 18° to 60°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Saturday, October 17
37° · 0.37 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1647° / 27°0
Morning27°feels 27°
Afternoon46°feels 46°
Evening38°feels 38°
Overnight28°feels 28°
47 °
Alta, Friday, 16 October
Clear. High 47°, low 27°.
Pressure30.53 inHg
Wind0.4 mph S
Humidity43%
Visibility6.2 mi
Dew point22°
Sat, 1760° / 32°0
Morning45°feels 45°
Afternoon60°feels 57°
Evening45°feels 45°
Overnight32°feels 32°
60 °
Alta, Saturday, 17 October
Clear. High 60°, low 32°.
Pressure30.33 inHg
Wind1.6 mph W
Humidity38%
Visibility6.2 mi
Dew point21°
Sun, 1858° / 46°0
Morning46°feels 46°
Afternoon58°feels 56°
Evening47°feels 47°
Overnight48°feels 48°
58 °
Alta, Sunday, 18 October
Partly cloudy. High 58°, low 46°.
Pressure30.12 inHg
Wind2.1 mph W
Humidity44%
Visibility6.2 mi
Dew point26°
Mon, 1957° / 44°0.04
Morning48°feels 48°
Afternoon57°feels 55°
Evening51°feels 50°
Overnight46°feels 46°
57 °
Alta, Monday, 19 October
Light rain. High 57°, low 44°.
Pressure30.00 inHg
Wind2.2 mph SW
Humidity47%
Visibility6.2 mi
Dew point34°
Tue, 2056° / 44°0.11
Morning47°feels 47°
Afternoon53°feels 51°
Evening49°feels 48°
Overnight44°feels 44°
56 °
Alta, Tuesday, 20 October
Light rain. High 56°, low 44°.
Pressure30.06 inHg
Wind4.3 mph S
Humidity68%
Visibility—
Dew point42°
Wed, 2154° / 40°0.16
Morning45°feels 44°
Afternoon53°feels 50°
Evening45°feels 43°
Overnight40°feels 38°
54 °
Alta, Wednesday, 21 October
Light rain. High 54°, low 40°.
Pressure29.88 inHg
Wind8.6 mph SW
Humidity45%
Visibility—
Dew point31°
Thu, 2237° / 29°0.37
Morning33°feels 30°
Afternoon33°feels 28°
Evening33°feels 28°
Overnight30°feels 30°
37 °
Alta, Thursday, 22 October
Snow. High 37°, low 29°.
Pressure29.94 inHg
Wind6.3 mph SW
Humidity94%
Visibility—
Dew point31°
Fri, 2337° / 28°0.09
Morning30°feels 25°
Afternoon34°feels 28°
Evening33°feels 30°
Overnight28°feels 28°
37 °
Alta, Friday, 23 October
Snow. High 37°, low 28°.
Pressure30.12 inHg
Wind7 mph W
Humidity65%
Visibility—
Dew point23°
Sat, 2428° / 18°0.28
Morning27°feels 20°
Afternoon28°feels 22°
Evening23°feels 18°
Overnight20°feels 19°
28 °
Alta, Saturday, 24 October
Snow. High 28°, low 18°.
Pressure30.30 inHg
Wind6.1 mph NW
Humidity70%
Visibility—
Dew point19°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Alta, UT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.