10-day forecast for Alta, UT: 17° to 59°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Saturday, October 17
46° · 1.21 in
Worst day: Wednesday, October 21
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1647° / 26°0
Morning26°feels 26°
Afternoon45°feels 45°
Evening38°feels 38°
Overnight28°feels 28°
47 °
Alta, Friday, 16 October
Clear. High 47°, low 26°.
Pressure30.53 inHg
Wind1.1 mph SE
Humidity43%
Visibility6.2 mi
Dew point22°
Sat, 1759° / 32°0
Morning46°feels 46°
Afternoon59°feels 57°
Evening45°feels 45°
Overnight47°feels 47°
59 °
Alta, Saturday, 17 October
Clear. High 59°, low 32°.
Pressure30.30 inHg
Wind1.6 mph W
Humidity39%
Visibility6.2 mi
Dew point22°
Sun, 1859° / 44°0
Morning46°feels 46°
Afternoon58°feels 56°
Evening47°feels 47°
Overnight49°feels 49°
59 °
Alta, Sunday, 18 October
Partly cloudy. High 59°, low 44°.
Pressure30.12 inHg
Wind1.5 mph W
Humidity41%
Visibility6.2 mi
Dew point26°
Mon, 1957° / 44°0.01
Morning48°feels 47°
Afternoon56°feels 54°
Evening52°feels 50°
Overnight45°feels 45°
57 °
Alta, Monday, 19 October
Light rain. High 57°, low 44°.
Pressure30.06 inHg
Wind3 mph SW
Humidity48%
Visibility—
Dew point36°
Tue, 2052° / 43°0.62
Morning46°feels 45°
Afternoon51°feels 50°
Evening45°feels 44°
Overnight43°feels 39°
52 °
Alta, Tuesday, 20 October
Rain. High 52°, low 43°.
Pressure30.00 inHg
Wind7.3 mph E
Humidity76%
Visibility—
Dew point43°
Wed, 2146° / 30°1.21
Morning38°feels 37°
Afternoon44°feels 40°
Evening35°feels 29°
Overnight31°feels 31°
46 °
Alta, Wednesday, 21 October
Snow. High 46°, low 30°.
Pressure29.80 inHg
Wind8 mph W
Humidity62%
Visibility—
Dew point32°
Thu, 2235° / 28°0.2
Morning30°feels 29°
Afternoon35°feels 30°
Evening32°feels 28°
Overnight29°feels 26°
35 °
Alta, Thursday, 22 October
Snow. High 35°, low 28°.
Pressure29.94 inHg
Wind5.8 mph W
Humidity73%
Visibility—
Dew point27°
Fri, 2330° / 19°0.26
Morning28°feels 20°
Afternoon28°feels 19°
Evening25°feels 14°
Overnight21°feels 15°
30 °
Alta, Friday, 23 October
Snow. High 30°, low 19°.
Pressure30.15 inHg
Wind16.6 mph NW
Humidity61%
Visibility—
Dew point17°
Sat, 2430° / 17°0.06
Morning20°feels 18°
Afternoon27°feels 22°
Evening24°feels 21°
Overnight18°feels 18°
30 °
Alta, Saturday, 24 October
Light snow. High 30°, low 17°.
Pressure30.56 inHg
Wind6.3 mph NW
Humidity60%
Visibility—
Dew point14°
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.