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As of 06:05 CDT

Weather in Boulder, IL

41°Current weather

Boulder, Sunday, 18 October, 06:05

Clear. Feels like 39°. High 64°, low 40°.

Pressure30.47 inHg
Wind4.2 mph SE
Humidity90%
Visibility6.2 mi
Dew point38°

10-day forecast for Boulder, IL: 40° to 78°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Saturday, October 24
62°
Worst day: Monday, October 26

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1968° / 47°0Clear
MorningClear47°feels 47°
AfternoonPartly cloudy67°feels 65°
EveningClear58°feels 57°
OvernightClear50°feels 49°
68 °Clear

Boulder, Monday, 19 October

Clear. High 68°, low 47°.

Pressure30.39 inHg
Wind2.2 mph S
Humidity52%
Visibility6.2 mi
Dew point45°
Tue, 2068° / 49°0Clear
MorningClear50°feels 49°
AfternoonClear67°feels 66°
EveningClear59°feels 58°
OvernightOvercast52°feels 51°
68 °Clear

Boulder, Tuesday, 20 October

Clear. High 68°, low 49°.

Pressure30.36 inHg
Wind1.8 mph E
Humidity55%
Visibility6.2 mi
Dew point49°
Wed, 2169° / 50°0Clear
MorningClear51°feels 50°
AfternoonClear68°feels 67°
EveningClear62°feels 61°
OvernightClear54°feels 53°
69 °Clear

Boulder, Wednesday, 21 October

Clear. High 69°, low 50°.

Pressure30.30 inHg
Wind1 mph SE
Humidity54%
Visibility6.2 mi
Dew point49°
Thu, 2271° / 50°0Mostly clear
MorningMostly clear56°feels 55°
AfternoonMostly clear68°feels 67°
EveningMostly clear63°feels 62°
OvernightClear54°feels 53°
71 °Mostly clear

Boulder, Thursday, 22 October

Mostly clear. High 71°, low 50°.

Pressure30.27 inHg
Wind5.5 mph NE
Humidity48%
Visibility—
Dew point46°
Fri, 2369° / 52°0Clear
MorningClear57°feels 56°
AfternoonClear66°feels 65°
EveningClear62°feels 60°
OvernightClear58°feels 56°
69 °Clear

Boulder, Friday, 23 October

Clear. High 69°, low 52°.

Pressure30.30 inHg
Wind8.2 mph E
Humidity56%
Visibility—
Dew point49°
Sat, 2478° / 56°0Overcast
MorningOvercast62°feels 59°
AfternoonOvercast75°feels 73°
EveningOvercast67°feels 65°
OvernightOvercast64°feels 62°
78 °Overcast

Boulder, Saturday, 24 October

Overcast. High 78°, low 56°.

Pressure30.27 inHg
Wind11.5 mph S
Humidity22%
Visibility—
Dew point32°
Sun, 2563° / 52°0Overcast
MorningOvercast60°feels 58°
AfternoonOvercast60°feels 58°
EveningOvercast57°feels 54°
OvernightOvercast53°feels 51°
63 °Overcast

Boulder, Sunday, 25 October

Overcast. High 63°, low 52°.

Pressure30.42 inHg
Wind13.4 mph N
Humidity56%
Visibility—
Dew point44°
Mon, 2662° / 45°0Overcast
MorningOvercast49°feels 46°
AfternoonOvercast59°feels 56°
EveningOvercast57°feels 55°
OvernightOvercast55°feels 52°
62 °Overcast

Boulder, Monday, 26 October

Overcast. High 62°, low 45°.

Pressure30.36 inHg
Wind8.9 mph E
Humidity28%
Visibility—
Dew point24°
Tue, 2774° / 54°0Overcast
MorningOvercast59°feels 57°
AfternoonOvercast71°feels 69°
EveningOvercast65°feels 64°
OvernightOvercast62°feels 60°
74 °Overcast

Boulder, Tuesday, 27 October

Overcast. High 74°, low 54°.

Pressure30.18 inHg
Wind7 mph S
Humidity38%
Visibility—
Dew point43°

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.