10-day forecast for Diamond, IL: 42° to 73°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 22
64° · 0.05 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2273° / 46°0
Morning51°feels 50°
Afternoon73°feels 72°
Evening55°feels 54°
Overnight49°feels 49°
73 °
Diamond, Thursday, 22 October
Clear. High 73°, low 46°.
Pressure30.27 inHg
Wind1 mph NE
Humidity61%
Visibility6.2 mi
Dew point54°
Fri, 2370° / 48°0
Morning48°feels 48°
Afternoon70°feels 69°
Evening59°feels 58°
Overnight51°feels 50°
70 °
Diamond, Friday, 23 October
Clear. High 70°, low 48°.
Pressure30.33 inHg
Wind3.4 mph SE
Humidity63%
Visibility6.2 mi
Dew point53°
Sat, 2468° / 48°0
Morning50°feels 47°
Afternoon69°feels 67°
Evening58°feels 57°
Overnight52°feels 50°
68 °
Diamond, Saturday, 24 October
Overcast. High 68°, low 48°.
Pressure30.39 inHg
Wind6.9 mph S
Humidity58%
Visibility6.2 mi
Dew point51°
Sun, 2570° / 48°0
Morning52°feels 51°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight52°feels 51°
70 °
Diamond, Sunday, 25 October
Overcast. High 70°, low 48°.
Pressure30.36 inHg
Wind5.1 mph S
Humidity48%
Visibility—
Dew point46°
Mon, 2670° / 52°0
Morning57°feels 56°
Afternoon69°feels 68°
Evening62°feels 60°
Overnight58°feels 56°
70 °
Diamond, Monday, 26 October
Overcast. High 70°, low 52°.
Pressure30.21 inHg
Wind8.3 mph S
Humidity47%
Visibility—
Dew point47°
Tue, 2765° / 53°0
Morning55°feels 53°
Afternoon61°feels 60°
Evening59°feels 58°
Overnight57°feels 56°
65 °
Diamond, Tuesday, 27 October
Overcast. High 65°, low 53°.
Pressure30.30 inHg
Wind10 mph E
Humidity54%
Visibility—
Dew point44°
Wed, 2872° / 57°0
Morning62°feels 60°
Afternoon69°feels 68°
Evening67°feels 66°
Overnight64°feels 63°
72 °
Diamond, Wednesday, 28 October
Overcast. High 72°, low 57°.
Pressure30.06 inHg
Wind13.6 mph SW
Humidity48%
Visibility—
Dew point47°
Thu, 2964° / 47°0.05
Morning59°feels 58°
Afternoon55°feels 54°
Evening50°feels 47°
Overnight49°feels 47°
64 °
Diamond, Thursday, 29 October
Light rain. High 64°, low 47°.
Pressure30.18 inHg
Wind12.3 mph N
Humidity70%
Visibility—
Dew point47°
Fri, 3059° / 44°0
Morning48°feels 45°
Afternoon57°feels 54°
Evening52°feels 49°
Overnight49°feels 46°
59 °
Diamond, Friday, 30 October
Overcast. High 59°, low 44°.
Pressure30.27 inHg
Wind10.9 mph E
Humidity29%
Visibility—
Dew point24°
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.