10-day forecast for Boulder, IL: 47° to 81°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Friday, October 30
71° · 0.12 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2575° / 47°0
Morning51°feels 50°
Afternoon75°feels 74°
Evening59°feels 57°
Overnight51°feels 50°
75 °
Boulder, Sunday, 25 October
Overcast. High 75°, low 47°.
Pressure30.42 inHg
Wind2.2 mph S
Humidity59%
Visibility6.2 mi
Dew point53°
Mon, 2671° / 52°0
Morning56°feels 56°
Afternoon71°feels 70°
Evening63°feels 63°
Overnight58°feels 58°
71 °
Boulder, Monday, 26 October
Overcast. High 71°, low 52°.
Pressure30.33 inHg
Wind4.1 mph SW
Humidity59%
Visibility6.2 mi
Dew point53°
Tue, 2770° / 55°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening62°feels 61°
Overnight56°feels 56°
70 °
Boulder, Tuesday, 27 October
Overcast. High 70°, low 55°.
Pressure30.27 inHg
Wind4.8 mph S
Humidity63%
Visibility6.2 mi
Dew point54°
Wed, 2873° / 55°0
Morning57°feels 56°
Afternoon71°feels 70°
Evening65°feels 64°
Overnight57°feels 56°
73 °
Boulder, Wednesday, 28 October
Clear. High 73°, low 55°.
Pressure30.21 inHg
Wind8.5 mph S
Humidity49%
Visibility—
Dew point49°
Thu, 2975° / 56°0
Morning61°feels 60°
Afternoon72°feels 71°
Evening67°feels 66°
Overnight62°feels 61°
75 °
Boulder, Thursday, 29 October
Clear. High 75°, low 56°.
Pressure30.18 inHg
Wind9.2 mph S
Humidity52%
Visibility—
Dew point52°
Fri, 3081° / 59°0
Morning65°feels 63°
Afternoon79°feels 77°
Evening69°feels 68°
Overnight66°feels 64°
81 °
Boulder, Friday, 30 October
Overcast. High 81°, low 59°.
Pressure30.18 inHg
Wind8.9 mph SW
Humidity24%
Visibility—
Dew point38°
Sat, 3176° / 60°0.06
Morning68°feels 67°
Afternoon75°feels 74°
Evening67°feels 65°
Overnight61°feels 60°
76 °
Boulder, Saturday, 31 October
Light rain. High 76°, low 60°.
Pressure30.09 inHg
Wind15.5 mph S
Humidity30%
Visibility—
Dew point41°
Sun, 0171° / 61°0.12
Morning65°feels 65°
Afternoon69°feels 69°
Evening64°feels 63°
Overnight62°feels 62°
71 °
Boulder, Sunday, 1 November
Light rain. High 71°, low 61°.
Pressure30.06 inHg
Wind16.4 mph S
Humidity60%
Visibility—
Dew point55°
Mon, 0272° / 60°0
Morning64°feels 64°
Afternoon71°feels 71°
Evening64°feels 64°
Overnight60°feels 60°
72 °
Boulder, Monday, 2 November
Overcast. High 72°, low 60°.
Pressure30.00 inHg
Wind10.8 mph SE
Humidity51%
Visibility—
Dew point52°
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.