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As of 08:55 CDT

Weather in Johnston City, IL

77°Current weather

Johnston City, Sunday, 9 August, 08:55

Clear. Feels like 78°. High 92°, low 71°.

Pressure30.06 inHg
Wind9.6 mph S
Humidity88%
Visibility6.2 mi
Dew point73°

10-day forecast for Johnston City, IL: 67° to 105°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

105°
Best day: Sunday, August 16
87° · 0.04 in
Worst day: Monday, August 17

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

Mon, 1097° / 75°0Clear
MorningClear79°feels 79°
AfternoonClear97°feels 101°
EveningMostly clear87°feels 92°
OvernightClear78°feels 79°
97 °Clear

Johnston City, Monday, 10 August

Clear. High 97°, low 75°.

Pressure30.00 inHg
Wind14.3 mph SW
Humidity44%
Visibility6.2 mi
Dew point68°
Tue, 1199° / 77°0Partly cloudy
MorningMostly clear81°feels 83°
AfternoonClear99°feels 103°
EveningClear89°feels 92°
OvernightClear81°feels 83°
99 °Partly cloudy

Johnston City, Tuesday, 11 August

Partly cloudy. High 99°, low 77°.

Pressure29.94 inHg
Wind11.3 mph SW
Humidity37%
Visibility6.2 mi
Dew point67°
Wed, 1297° / 75°0.02Light rain
MorningOvercast77°feels 79°
AfternoonPartly cloudy100°feels 105°
EveningOvercast87°feels 93°
OvernightClear83°feels 84°
97 °Light rain

Johnston City, Wednesday, 12 August

Light rain. High 97°, low 75°.

Pressure29.85 inHg
Wind11.7 mph W
Humidity44%
Visibility6.2 mi
Dew point68°
Thu, 1395° / 71°0.08Light rain
MorningLight rain74°feels 75°
AfternoonLight rain89°feels 94°
EveningLight rain88°feels 96°
OvernightClear76°feels 77°
95 °Light rain

Johnston City, Thursday, 13 August

Light rain. High 95°, low 71°.

Pressure29.91 inHg
Wind13.4 mph SE
Humidity51%
Visibility—
Dew point67°
Fri, 14100° / 76°0.01Light rain
MorningLight rain82°feels 83°
AfternoonLight rain93°feels 97°
EveningLight rain86°feels 94°
OvernightLight rain78°feels 80°
100 °Light rain

Johnston City, Friday, 14 August

Light rain. High 100°, low 76°.

Pressure29.97 inHg
Wind15.5 mph NE
Humidity40%
Visibility—
Dew point64°
Sat, 15103° / 72°0.11Light rain
MorningLight rain79°feels 82°
AfternoonLight rain96°feels 102°
EveningLight rain91°feels 97°
OvernightLight rain80°feels 84°
103 °Light rain

Johnston City, Saturday, 15 August

Light rain. High 103°, low 72°.

Pressure30.09 inHg
Wind11 mph E
Humidity40%
Visibility—
Dew point65°
Sun, 16105° / 77°0.03Light rain
MorningLight rain87°feels 87°
AfternoonLight rain102°feels 104°
EveningLight rain86°feels 94°
OvernightLight rain77°feels 79°
105 °Light rain

Johnston City, Sunday, 16 August

Light rain. High 105°, low 77°.

Pressure29.97 inHg
Wind17.6 mph NW
Humidity22%
Visibility—
Dew point55°
Mon, 1787° / 67°0.04Light rain
MorningLight rain73°feels 73°
AfternoonLight rain85°feels 85°
EveningLight rain79°feels 80°
OvernightLight rain70°feels 71°
87 °Light rain

Johnston City, Monday, 17 August

Light rain. High 87°, low 67°.

Pressure30.03 inHg
Wind10.6 mph N
Humidity39%
Visibility—
Dew point56°
Tue, 1898° / 67°0.08Light rain
MorningLight rain74°feels 74°
AfternoonLight rain89°feels 91°
EveningLight rain92°feels 97°
OvernightLight rain86°feels 89°
98 °Light rain

Johnston City, Tuesday, 18 August

Light rain. High 98°, low 67°.

Pressure29.85 inHg
Wind18.2 mph S
Humidity43%
Visibility—
Dew point61°

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 Johnston City, 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.