10-day forecast for Boulder, IL: 28° to 68°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Friday, November 20
49°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1550° / 28°0
Morning36°feels 34°
Afternoon50°feels 47°
Evening41°feels 41°
Overnight30°feels 30°
50 °
Boulder, Sunday, 15 November
Partly cloudy. High 50°, low 28°.
Pressure30.47 inHg
Wind1.5 mph NE
Humidity54%
Visibility6.2 mi
Dew point30°
Mon, 1652° / 35°0
Morning40°feels 38°
Afternoon52°feels 49°
Evening43°feels 41°
Overnight36°feels 36°
52 °
Boulder, Monday, 16 November
Clear. High 52°, low 35°.
Pressure30.53 inHg
Wind2.5 mph SE
Humidity52%
Visibility6.2 mi
Dew point34°
Tue, 1755° / 37°0
Morning40°feels 37°
Afternoon54°feels 52°
Evening45°feels 42°
Overnight39°feels 36°
55 °
Boulder, Tuesday, 17 November
Clear. High 55°, low 37°.
Pressure30.53 inHg
Wind5.4 mph S
Humidity60%
Visibility6.2 mi
Dew point39°
Wed, 1857° / 40°0
Morning44°feels 41°
Afternoon57°feels 55°
Evening50°feels 48°
Overnight42°feels 38°
57 °
Boulder, Wednesday, 18 November
Overcast. High 57°, low 40°.
Pressure30.42 inHg
Wind9.6 mph S
Humidity55%
Visibility6.2 mi
Dew point40°
Thu, 1958° / 45°0
Morning48°feels 45°
Afternoon55°feels 54°
Evening54°feels 53°
Overnight51°feels 49°
58 °
Boulder, Thursday, 19 November
Overcast. High 58°, low 45°.
Pressure30.33 inHg
Wind8.8 mph S
Humidity64%
Visibility—
Dew point42°
Fri, 2068° / 50°0
Morning56°feels 55°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight54°feels 53°
68 °
Boulder, Friday, 20 November
Overcast. High 68°, low 50°.
Pressure30.24 inHg
Wind10.6 mph S
Humidity60%
Visibility—
Dew point51°
Sat, 2165° / 53°0.04
Morning56°feels 55°
Afternoon62°feels 61°
Evening57°feels 57°
Overnight54°feels 53°
65 °
Boulder, Saturday, 21 November
Light rain. High 65°, low 53°.
Pressure30.00 inHg
Wind17.9 mph S
Humidity57%
Visibility—
Dew point46°
Sun, 2255° / 42°0
Morning46°feels 42°
Afternoon54°feels 51°
Evening46°feels 42°
Overnight42°feels 38°
55 °
Boulder, Sunday, 22 November
Clear. High 55°, low 42°.
Pressure30.27 inHg
Wind11.5 mph NW
Humidity46%
Visibility—
Dew point33°
Mon, 2351° / 35°0
Morning39°feels 34°
Afternoon48°feels 44°
Evening41°feels 36°
Overnight37°feels 31°
51 °
Boulder, Monday, 23 November
Clear. High 51°, low 35°.
Pressure30.47 inHg
Wind9.6 mph NE
Humidity34%
Visibility—
Dew point21°
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 Boulder, 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.