10-day forecast for Altamont, IL: 47° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 29
67° · 0.53 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2977° / 53°0
Morning56°feels 55°
Afternoon77°feels 76°
Evening66°feels 66°
Overnight57°feels 56°
77 °
Altamont, Thursday, 29 October
Clear. High 77°, low 53°.
Pressure30.15 inHg
Wind7.9 mph SW
Humidity54%
Visibility6.2 mi
Dew point54°
Fri, 3073° / 56°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening63°feels 63°
Overnight59°feels 58°
73 °
Altamont, Friday, 30 October
Overcast. High 73°, low 56°.
Pressure30.27 inHg
Wind7.3 mph E
Humidity61%
Visibility6.2 mi
Dew point54°
Sat, 3167° / 54°0.03
Morning54°feels 53°
Afternoon66°feels 65°
Evening62°feels 60°
Overnight60°feels 58°
67 °
Altamont, Saturday, 31 October
Light rain. High 67°, low 54°.
Pressure30.30 inHg
Wind4.1 mph E
Humidity54%
Visibility6.2 mi
Dew point46°
Sun, 0167° / 58°0
Morning60°feels 60°
Afternoon67°feels 67°
Evening63°feels 62°
Overnight59°feels 58°
67 °
Altamont, Sunday, 1 November
Overcast. High 67°, low 58°.
Pressure30.27 inHg
Wind9.9 mph SE
Humidity73%
Visibility6.2 mi
Dew point57°
Mon, 0268° / 58°0.05
Morning59°feels 58°
Afternoon62°feels 62°
Evening65°feels 65°
Overnight64°feels 64°
68 °
Altamont, Monday, 2 November
Light rain. High 68°, low 58°.
Pressure30.09 inHg
Wind14.6 mph S
Humidity93%
Visibility—
Dew point59°
Tue, 0369° / 63°0.3
Morning64°feels 64°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight66°feels 66°
69 °
Altamont, Tuesday, 3 November
Rain. High 69°, low 63°.
Pressure29.91 inHg
Wind15.8 mph S
Humidity91%
Visibility—
Dew point64°
Wed, 0467° / 62°0.53
Morning66°feels 66°
Afternoon66°feels 66°
Evening62°feels 62°
Overnight63°feels 63°
67 °
Altamont, Wednesday, 4 November
Rain. High 67°, low 62°.
Pressure29.71 inHg
Wind16.6 mph SE
Humidity83%
Visibility—
Dew point61°
Thu, 0566° / 57°0
Morning59°feels 59°
Afternoon63°feels 62°
Evening61°feels 60°
Overnight59°feels 59°
66 °
Altamont, Thursday, 5 November
Light rain. High 66°, low 57°.
Pressure29.62 inHg
Wind10.1 mph S
Humidity68%
Visibility—
Dew point52°
Fri, 0658° / 47°0.04
Morning55°feels 54°
Afternoon55°feels 53°
Evening49°feels 43°
Overnight49°feels 44°
58 °
Altamont, Friday, 6 November
Light rain. High 58°, low 47°.
Pressure29.83 inHg
Wind16.5 mph NW
Humidity73%
Visibility—
Dew point47°
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 Altamont, IL 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.