As of 23:00 CDT

Weather in Boulder, IL

74°Current weather

Boulder, Saturday, 8 August, 23:00

Clear. Feels like 75°. High 90°, low 71°.

Pressure30.00 inHg
Wind6.9 mph S
Humidity82%
Visibility6.2 mi
Dew point69°

10-day forecast for Boulder, IL: 65° to 99°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

99°
Best day: Tuesday, August 11
82° · 1.82 in
Worst day: Thursday, August 13

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

Sun, 0995° / 74°0Overcast
MorningOvercast77°feels 78°
AfternoonClear93°feels 102°
EveningClear87°feels 94°
OvernightClear75°feels 76°
95 °Overcast

Boulder, Sunday, 9 August

Overcast. High 95°, low 74°.

Pressure30.00 inHg
Wind13.2 mph S
Humidity60%
Visibility6.2 mi
Dew point71°
Mon, 1095° / 75°0Partly cloudy
MorningClear78°feels 79°
AfternoonMostly clear95°feels 102°
EveningOvercast85°feels 89°
OvernightClear83°feels 89°
95 °Partly cloudy

Boulder, Monday, 10 August

Partly cloudy. High 95°, low 75°.

Pressure29.97 inHg
Wind13.8 mph S
Humidity59%
Visibility6.2 mi
Dew point73°
Tue, 1199° / 78°0Light rain
MorningLight rain78°feels 79°
AfternoonOvercast97°feels 102°
EveningOvercast88°feels 93°
OvernightOvercast82°feels 84°
99 °Light rain

Boulder, Tuesday, 11 August

Light rain. High 99°, low 78°.

Pressure29.88 inHg
Wind12.2 mph SW
Humidity51%
Visibility6.2 mi
Dew point71°
Wed, 1289° / 71°0.23Rain
MorningOvercast75°feels 76°
AfternoonOvercast86°feels 91°
EveningRain72°feels 73°
OvernightOvercast84°feels 87°
89 °Rain

Boulder, Wednesday, 12 August

Rain. High 89°, low 71°.

Pressure29.85 inHg
Wind6.8 mph SW
Humidity66%
Visibility6.2 mi
Dew point70°
Thu, 1382° / 68°1.82Heavy rain
MorningHeavy rain73°feels 76°
AfternoonHeavy rain81°feels 85°
EveningHeavy rain73°feels 74°
OvernightHeavy rain69°feels 70°
82 °Heavy rain

Boulder, Thursday, 13 August

Heavy rain. High 82°, low 68°.

Pressure29.94 inHg
Wind13.1 mph E
Humidity70%
Visibility
Dew point70°
Fri, 1475° / 68°0.83Heavy rain
MorningHeavy rain69°feels 71°
AfternoonHeavy rain72°feels 74°
EveningHeavy rain72°feels 73°
OvernightHeavy rain70°feels 71°
75 °Heavy rain

Boulder, Friday, 14 August

Heavy rain. High 75°, low 68°.

Pressure30.03 inHg
Wind11 mph E
Humidity91%
Visibility
Dew point69°
Sat, 1577° / 67°0.15Light rain
MorningLight rain69°feels 70°
AfternoonLight rain75°feels 75°
EveningLight rain73°feels 74°
OvernightLight rain68°feels 69°
77 °Light rain

Boulder, Saturday, 15 August

Light rain. High 77°, low 67°.

Pressure30.18 inHg
Wind15.6 mph E
Humidity74%
Visibility
Dew point65°
Sun, 1681° / 65°0.16Light rain
MorningLight rain69°feels 71°
AfternoonLight rain80°feels 83°
EveningLight rain76°feels 78°
OvernightLight rain70°feels 71°
81 °Light rain

Boulder, Sunday, 16 August

Light rain. High 81°, low 65°.

Pressure30.06 inHg
Wind8.9 mph E
Humidity78%
Visibility
Dew point71°
Mon, 1781° / 68°0.1Light rain
MorningLight rain71°feels 72°
AfternoonLight rain77°feels 78°
EveningLight rain77°feels 78°
OvernightLight rain71°feels 73°
81 °Light rain

Boulder, Monday, 17 August

Light rain. High 81°, low 68°.

Pressure30.03 inHg
Wind6.9 mph NE
Humidity83%
Visibility
Dew point70°

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.