10-day forecast for Diamond City, IL: 66° to 99°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
92° · 0.18 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 75°0
Morning79°feels 79°
Afternoon95°feels 101°
Evening86°feels 92°
Overnight77°feels 79°
96 °
Diamond City, Monday, 10 August
Clear. High 96°, low 75°.
Pressure30.00 inHg
Wind14.9 mph SW
Humidity46%
Visibility6.2 mi
Dew point69°
Tue, 1199° / 75°0
Morning79°feels 79°
Afternoon99°feels 102°
Evening88°feels 92°
Overnight80°feels 80°
99 °
Diamond City, Tuesday, 11 August
Mostly clear. High 99°, low 75°.
Pressure29.94 inHg
Wind11.1 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Wed, 1291° / 75°0.04
Morning76°feels 77°
Afternoon95°feels 100°
Evening81°feels 85°
Overnight82°feels 84°
91 °
Diamond City, Wednesday, 12 August
Light rain. High 91°, low 75°.
Pressure29.85 inHg
Wind4.7 mph NW
Humidity66%
Visibility6.2 mi
Dew point71°
Thu, 1392° / 72°0.18
Morning72°feels 73°
Afternoon86°feels 92°
Evening85°feels 93°
Overnight73°feels 74°
92 °
Diamond City, Thursday, 13 August
Light rain. High 92°, low 72°.
Pressure29.91 inHg
Wind13 mph S
Humidity60%
Visibility—
Dew point69°
Fri, 1494° / 72°0.01
Morning77°feels 80°
Afternoon88°feels 95°
Evening80°feels 86°
Overnight74°feels 76°
94 °
Diamond City, Friday, 14 August
Light rain. High 94°, low 72°.
Pressure29.97 inHg
Wind17.4 mph NE
Humidity55%
Visibility—
Dew point69°
Sat, 1592° / 71°0.15
Morning76°feels 79°
Afternoon86°feels 94°
Evening84°feels 92°
Overnight76°feels 78°
92 °
Diamond City, Saturday, 15 August
Rain. High 92°, low 71°.
Pressure30.12 inHg
Wind12 mph E
Humidity62%
Visibility—
Dew point70°
Sun, 1698° / 75°0
Morning83°feels 84°
Afternoon96°feels 100°
Evening84°feels 92°
Overnight77°feels 78°
98 °
Diamond City, Sunday, 16 August
Clear. High 98°, low 75°.
Pressure30.00 inHg
Wind16.2 mph NW
Humidity32%
Visibility—
Dew point61°
Mon, 1784° / 66°0.07
Morning71°feels 72°
Afternoon82°feels 82°
Evening76°feels 77°
Overnight70°feels 71°
84 °
Diamond City, Monday, 17 August
Light rain. High 84°, low 66°.
Pressure30.06 inHg
Wind10.4 mph N
Humidity48%
Visibility—
Dew point59°
Tue, 1895° / 66°0.08
Morning71°feels 72°
Afternoon83°feels 86°
Evening87°feels 93°
Overnight77°feels 80°
95 °
Diamond City, Tuesday, 18 August
Light rain. High 95°, low 66°.
Pressure29.88 inHg
Wind10.5 mph SE
Humidity57%
Visibility—
Dew point63°
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 City, 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.