10-day forecast for Diamond, IL: 40° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Saturday, October 24
64°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1967° / 41°0
Morning44°feels 44°
Afternoon67°feels 65°
Evening52°feels 50°
Overnight47°feels 45°
67 °
Diamond, Monday, 19 October
Clear. High 67°, low 41°.
Pressure30.39 inHg
Wind1.9 mph S
Humidity51%
Visibility6.2 mi
Dew point43°
Tue, 2068° / 43°0
Morning48°feels 48°
Afternoon66°feels 64°
Evening53°feels 52°
Overnight46°feels 46°
68 °
Diamond, Tuesday, 20 October
Clear. High 68°, low 43°.
Pressure30.39 inHg
Wind3.4 mph SE
Humidity51%
Visibility6.2 mi
Dew point45°
Wed, 2168° / 45°0
Morning46°feels 46°
Afternoon67°feels 66°
Evening56°feels 54°
Overnight48°feels 48°
68 °
Diamond, Wednesday, 21 October
Clear. High 68°, low 45°.
Pressure30.30 inHg
Wind1.2 mph SW
Humidity57%
Visibility6.2 mi
Dew point49°
Thu, 2268° / 47°0
Morning51°feels 50°
Afternoon68°feels 67°
Evening57°feels 57°
Overnight50°feels 50°
68 °
Diamond, Thursday, 22 October
Overcast. High 68°, low 47°.
Pressure30.33 inHg
Wind3 mph NE
Humidity62%
Visibility6.2 mi
Dew point51°
Fri, 2366° / 47°0
Morning52°feels 51°
Afternoon64°feels 63°
Evening57°feels 56°
Overnight52°feels 51°
66 °
Diamond, Friday, 23 October
Clear. High 66°, low 47°.
Pressure30.36 inHg
Wind6.6 mph E
Humidity57%
Visibility—
Dew point47°
Sat, 2470° / 47°0
Morning53°feels 50°
Afternoon66°feels 64°
Evening63°feels 61°
Overnight60°feels 58°
70 °
Diamond, Saturday, 24 October
Overcast. High 70°, low 47°.
Pressure30.39 inHg
Wind11 mph S
Humidity47%
Visibility—
Dew point43°
Sun, 2565° / 52°0
Morning58°feels 56°
Afternoon62°feels 59°
Evening54°feels 52°
Overnight52°feels 50°
65 °
Diamond, Sunday, 25 October
Partly cloudy. High 65°, low 52°.
Pressure30.30 inHg
Wind14 mph S
Humidity31%
Visibility—
Dew point31°
Mon, 2664° / 46°0.01
Morning50°feels 47°
Afternoon60°feels 57°
Evening61°feels 60°
Overnight58°feels 56°
64 °
Diamond, Monday, 26 October
Light rain. High 64°, low 46°.
Pressure30.21 inHg
Wind14.3 mph S
Humidity35%
Visibility—
Dew point30°
Tue, 2764° / 55°0
Morning59°feels 58°
Afternoon63°feels 62°
Evening55°feels 54°
Overnight55°feels 54°
64 °
Diamond, Tuesday, 27 October
Overcast. High 64°, low 55°.
Pressure30.12 inHg
Wind14.9 mph SW
Humidity63%
Visibility—
Dew point51°
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 Diamond, 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.