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As of 17:01 CDT

Weather in Johnstown, IL

90°Current weather

Johnstown, Saturday, 8 August, 17:01

Mostly clear. Feels like 103°. High 90°, low 71°.

Pressure30.00 inHg
Wind6.9 mph SW
Humidity66%
Visibility6.2 mi
Dew point78°

10-day forecast for Johnstown, IL: 54° to 92°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

92°
Best day: Sunday, August 9
80° · 0.73 in
Worst day: Thursday, August 13

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

Sun, 0992° / 72°0Partly cloudy
MorningClear76°feels 78°
AfternoonClear91°feels 103°
EveningClear83°feels 93°
OvernightClear73°feels 74°
92 °Partly cloudy

Johnstown, Sunday, 9 August

Partly cloudy. High 92°, low 72°.

Pressure30.00 inHg
Wind12.3 mph S
Humidity68%
Visibility6.2 mi
Dew point73°
Mon, 1091° / 75°0Clear
MorningMostly clear76°feels 78°
AfternoonClear90°feels 100°
EveningPartly cloudy81°feels 86°
OvernightOvercast78°feels 79°
91 °Clear

Johnstown, Monday, 10 August

Clear. High 91°, low 75°.

Pressure29.97 inHg
Wind12.9 mph SW
Humidity66%
Visibility6.2 mi
Dew point75°
Tue, 1190° / 75°0Overcast
MorningOvercast77°feels 78°
AfternoonOvercast90°feels 100°
EveningOvercast81°feels 86°
OvernightOvercast79°feels 79°
90 °Overcast

Johnstown, Tuesday, 11 August

Overcast. High 90°, low 75°.

Pressure29.88 inHg
Wind14.6 mph SW
Humidity63%
Visibility6.2 mi
Dew point74°
Wed, 1287° / 71°0.34Rain
MorningOvercast75°feels 76°
AfternoonLight rain88°feels 98°
EveningRain76°feels 78°
OvernightLight rain72°feels 73°
87 °Rain

Johnstown, Wednesday, 12 August

Rain. High 87°, low 71°.

Pressure29.83 inHg
Wind5.6 mph N
Humidity72%
Visibility6.2 mi
Dew point76°
Thu, 1380° / 68°0.73Rain
MorningRain73°feels 75°
AfternoonRain79°feels 82°
EveningRain71°feels 72°
OvernightRain68°feels 69°
80 °Rain

Johnstown, Thursday, 13 August

Rain. High 80°, low 68°.

Pressure29.88 inHg
Wind10.7 mph NE
Humidity77%
Visibility—
Dew point71°
Fri, 1475° / 60°0Clear
MorningClear65°feels 64°
AfternoonClear73°feels 73°
EveningClear67°feels 67°
OvernightClear60°feels 60°
75 °Clear

Johnstown, Friday, 14 August

Clear. High 75°, low 60°.

Pressure30.15 inHg
Wind11.9 mph NE
Humidity53%
Visibility—
Dew point54°
Sat, 1574° / 54°0Partly cloudy
MorningPartly cloudy59°feels 59°
AfternoonPartly cloudy72°feels 72°
EveningPartly cloudy68°feels 68°
OvernightPartly cloudy60°feels 59°
74 °Partly cloudy

Johnstown, Saturday, 15 August

Partly cloudy. High 74°, low 54°.

Pressure30.30 inHg
Wind7.1 mph E
Humidity60%
Visibility—
Dew point55°
Sun, 1677° / 57°0Overcast
MorningOvercast63°feels 62°
AfternoonOvercast75°feels 75°
EveningOvercast72°feels 72°
OvernightOvercast66°feels 66°
77 °Overcast

Johnstown, Sunday, 16 August

Overcast. High 77°, low 57°.

Pressure30.21 inHg
Wind10.1 mph S
Humidity60%
Visibility—
Dew point58°
Mon, 1784° / 67°0.09Light rain
MorningLight rain71°feels 71°
AfternoonLight rain80°feels 82°
EveningLight rain81°feels 88°
OvernightLight rain73°feels 75°
84 °Light rain

Johnstown, Monday, 17 August

Light rain. High 84°, low 67°.

Pressure29.97 inHg
Wind14.3 mph S
Humidity83%
Visibility—
Dew point73°

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 Johnstown, 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.