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As of 17:39 CDT

Weather in Harper, IL

70°Current weather

Harper, Thursday, 8 October, 17:39

Clear. Feels like 67°. High 71°, low 47°.

Pressure30.06 inHg
Wind8.1 mph W
Humidity28%
Visibility6.2 mi
Dew point35°

10-day forecast for Harper, IL: 37° to 78°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Monday, October 12
71° · 0.97 in
Worst day: Friday, October 9

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

Fri, 0971° / 50°0.97Heavy rain
MorningOvercast54°feels 53°
AfternoonHeavy rain69°feels 70°
EveningClear61°feels 61°
OvernightOvercast52°feels 50°
71 °Heavy rain

Harper, Friday, 9 October

Heavy rain. High 71°, low 50°.

Pressure30.09 inHg
Wind10.5 mph SE
Humidity60%
Visibility6.2 mi
Dew point52°
Sat, 1075° / 57°0Overcast
MorningClear61°feels 60°
AfternoonOvercast75°feels 75°
EveningOvercast66°feels 66°
OvernightClear60°feels 58°
75 °Overcast

Harper, Saturday, 10 October

Overcast. High 75°, low 57°.

Pressure30.06 inHg
Wind9.6 mph S
Humidity59%
Visibility6.2 mi
Dew point57°
Sun, 1174° / 53°0Clear
MorningClear55°feels 54°
AfternoonClear73°feels 73°
EveningClear63°feels 63°
OvernightClear60°feels 59°
74 °Clear

Harper, Sunday, 11 October

Clear. High 74°, low 53°.

Pressure29.97 inHg
Wind4.8 mph S
Humidity65%
Visibility6.2 mi
Dew point58°
Mon, 1278° / 60°0Overcast
MorningClear64°feels 63°
AfternoonOvercast78°feels 78°
EveningOvercast70°feels 71°
OvernightMostly clear60°feels 60°
78 °Overcast

Harper, Monday, 12 October

Overcast. High 78°, low 60°.

Pressure29.83 inHg
Wind10.7 mph SW
Humidity62%
Visibility6.2 mi
Dew point61°
Tue, 1365° / 54°0.19Rain
MorningRain58°feels 58°
AfternoonRain60°feels 59°
EveningRain58°feels 57°
OvernightRain55°feels 54°
65 °Rain

Harper, Tuesday, 13 October

Rain. High 65°, low 54°.

Pressure30.03 inHg
Wind11.5 mph NE
Humidity68%
Visibility—
Dew point49°
Wed, 1465° / 50°0.28Rain
MorningRain53°feels 52°
AfternoonRain58°feels 57°
EveningRain62°feels 62°
OvernightRain63°feels 63°
65 °Rain

Harper, Wednesday, 14 October

Rain. High 65°, low 50°.

Pressure29.94 inHg
Wind15.1 mph E
Humidity74%
Visibility—
Dew point48°
Thu, 1573° / 64°0.09Light rain
MorningLight rain67°feels 67°
AfternoonLight rain71°feels 70°
EveningLight rain66°feels 65°
OvernightLight rain64°feels 64°
73 °Light rain

Harper, Thursday, 15 October

Light rain. High 73°, low 64°.

Pressure29.97 inHg
Wind15.2 mph S
Humidity50%
Visibility—
Dew point51°
Fri, 1663° / 46°0.01Light rain
MorningLight rain55°feels 53°
AfternoonLight rain55°feels 52°
EveningLight rain50°feels 47°
OvernightLight rain48°feels 43°
63 °Light rain

Harper, Friday, 16 October

Light rain. High 63°, low 46°.

Pressure30.33 inHg
Wind16.8 mph NW
Humidity58%
Visibility—
Dew point41°
Sat, 1750° / 37°0Mostly clear
MorningMostly clear40°feels 34°
AfternoonMostly clear48°feels 43°
EveningMostly clear42°feels 38°
OvernightMostly clear39°feels 34°
50 °Mostly clear

Harper, Saturday, 17 October

Mostly clear. High 50°, low 37°.

Pressure30.53 inHg
Wind12.2 mph N
Humidity47%
Visibility—
Dew point28°

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 Harper, 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.