10-day forecast for Alton, UT: 56° to 93°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Sunday, August 9
74° · 0.31 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 66°0.02
Morning72°feels 71°
Afternoon89°feels 86°
Evening76°feels 75°
Overnight70°feels 68°
90 °
Alton, Monday, 10 August
Light rain. High 90°, low 66°.
Pressure29.97 inHg
Wind16.6 mph SW
Humidity23%
Visibility6.2 mi
Dew point43°
Tue, 1184° / 62°0.06
Morning68°feels 67°
Afternoon81°feels 79°
Evening73°feels 72°
Overnight64°feels 62°
84 °
Alton, Tuesday, 11 August
Light rain. High 84°, low 62°.
Pressure29.94 inHg
Wind5.7 mph SW
Humidity24%
Visibility6.2 mi
Dew point43°
Wed, 1278° / 64°0.19
Morning67°feels 66°
Afternoon74°feels 73°
Evening71°feels 70°
Overnight65°feels 64°
78 °
Alton, Wednesday, 12 August
Light rain. High 78°, low 64°.
Pressure29.88 inHg
Wind6.6 mph SW
Humidity32%
Visibility6.2 mi
Dew point46°
Thu, 1374° / 57°0.31
Morning61°feels 60°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight62°feels 61°
74 °
Alton, Thursday, 13 August
Light rain. High 74°, low 57°.
Pressure29.94 inHg
Wind20.9 mph SW
Humidity51%
Visibility—
Dew point49°
Fri, 1475° / 56°0.05
Morning60°feels 59°
Afternoon70°feels 69°
Evening68°feels 67°
Overnight63°feels 62°
75 °
Alton, Friday, 14 August
Light rain. High 75°, low 56°.
Pressure30.03 inHg
Wind14.3 mph SW
Humidity48%
Visibility—
Dew point47°
Sat, 1575° / 60°0
Morning64°feels 63°
Afternoon75°feels 74°
Evening73°feels 71°
Overnight65°feels 64°
75 °
Alton, Saturday, 15 August
Overcast. High 75°, low 60°.
Pressure30.06 inHg
Wind10.9 mph S
Humidity33%
Visibility—
Dew point42°
Sun, 1678° / 59°0
Morning63°feels 62°
Afternoon75°feels 74°
Evening76°feels 75°
Overnight68°feels 66°
78 °
Alton, Sunday, 16 August
Mostly clear. High 78°, low 59°.
Pressure30.12 inHg
Wind16.6 mph SW
Humidity28%
Visibility—
Dew point38°
Mon, 1780° / 58°0
Morning63°feels 62°
Afternoon76°feels 75°
Evening77°feels 77°
Overnight66°feels 64°
80 °
Alton, Monday, 17 August
Clear. High 80°, low 58°.
Pressure30.09 inHg
Wind16.6 mph SW
Humidity33%
Visibility—
Dew point42°
Tue, 1881° / 60°0
Morning65°feels 63°
Afternoon78°feels 77°
Evening79°feels 77°
Overnight67°feels 65°
81 °
Alton, Tuesday, 18 August
Partly cloudy. High 81°, low 60°.
Pressure30.00 inHg
Wind15.9 mph SW
Humidity26%
Visibility—
Dew point38°
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 Alton, 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.