10-day forecast for Alton, ID: 28° to 57°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Thursday, October 29
44° · 0.59 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2957° / 33°0
Morning34°feels 34°
Afternoon56°feels 54°
Evening42°feels 42°
Overnight34°feels 34°
57 °
Alton, Thursday, 29 October
Partly cloudy. High 57°, low 33°.
Pressure30.06 inHg
Wind1.9 mph SW
Humidity62%
Visibility6.2 mi
Dew point34°
Fri, 3053° / 33°0
Morning34°feels 34°
Afternoon53°feels 51°
Evening42°feels 42°
Overnight34°feels 34°
53 °
Alton, Friday, 30 October
Light rain. High 53°, low 33°.
Pressure29.94 inHg
Wind4.7 mph SW
Humidity57%
Visibility6.2 mi
Dew point36°
Sat, 3151° / 34°0.03
Morning33°feels 33°
Afternoon50°feels 48°
Evening44°feels 44°
Overnight36°feels 36°
51 °
Alton, Saturday, 31 October
Light rain. High 51°, low 34°.
Pressure30.00 inHg
Wind4.7 mph S
Humidity72%
Visibility6.2 mi
Dew point40°
Sun, 0144° / 34°0.59
Morning42°feels 39°
Afternoon43°feels 39°
Evening38°feels 32°
Overnight42°feels 39°
44 °
Alton, Sunday, 1 November
Rain. High 44°, low 34°.
Pressure29.74 inHg
Wind9.6 mph NW
Humidity91%
Visibility—
Dew point41°
Mon, 0244° / 29°0.02
Morning34°feels 27°
Afternoon38°feels 31°
Evening37°feels 32°
Overnight30°feels 23°
44 °
Alton, Monday, 2 November
Light snow. High 44°, low 29°.
Pressure30.18 inHg
Wind11.7 mph NW
Humidity77%
Visibility—
Dew point31°
Tue, 0344° / 28°0
Morning31°feels 31°
Afternoon38°feels 38°
Evening40°feels 40°
Overnight33°feels 33°
44 °
Alton, Tuesday, 3 November
Clear. High 44°, low 28°.
Pressure30.33 inHg
Wind2.4 mph E
Humidity39%
Visibility—
Dew point14°
Wed, 0455° / 34°0
Morning39°feels 38°
Afternoon48°feels 46°
Evening46°feels 43°
Overnight37°feels 37°
55 °
Alton, Wednesday, 4 November
Overcast. High 55°, low 34°.
Pressure30.09 inHg
Wind8.4 mph S
Humidity36%
Visibility—
Dew point21°
Thu, 0552° / 36°0
Morning39°feels 39°
Afternoon46°feels 45°
Evening45°feels 42°
Overnight38°feels 36°
52 °
Alton, Thursday, 5 November
Overcast. High 52°, low 36°.
Pressure30.03 inHg
Wind4.4 mph NW
Humidity38%
Visibility—
Dew point20°
Fri, 0651° / 34°0
Morning37°feels 37°
Afternoon46°feels 46°
Evening47°feels 47°
Overnight40°feels 40°
51 °
Alton, Friday, 6 November
Clear. High 51°, low 34°.
Pressure30.03 inHg
Wind2.8 mph S
Humidity42%
Visibility—
Dew point23°
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, ID 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.