10-day forecast for Johnstown, IL: 30° to 67°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, November 10
42°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0965° / 35°0
Morning44°feels 42°
Afternoon65°feels 63°
Evening50°feels 47°
Overnight39°feels 36°
65 °
Johnstown, Monday, 9 November
Clear. High 65°, low 35°.
Pressure30.18 inHg
Wind4.7 mph SW
Humidity43%
Visibility6.2 mi
Dew point39°
Tue, 1067° / 48°0
Morning51°feels 50°
Afternoon67°feels 66°
Evening53°feels 52°
Overnight48°feels 45°
67 °
Johnstown, Tuesday, 10 November
Clear. High 67°, low 48°.
Pressure30.06 inHg
Wind5 mph W
Humidity61%
Visibility6.2 mi
Dew point51°
Wed, 1165° / 46°0
Morning49°feels 46°
Afternoon65°feels 64°
Evening54°feels 53°
Overnight48°feels 46°
65 °
Johnstown, Wednesday, 11 November
Overcast. High 65°, low 46°.
Pressure29.74 inHg
Wind11.9 mph SW
Humidity65%
Visibility6.2 mi
Dew point53°
Thu, 1249° / 37°0.02
Morning44°feels 37°
Afternoon44°feels 37°
Evening40°feels 33°
Overnight45°feels 39°
49 °
Johnstown, Thursday, 12 November
Light rain. High 49°, low 37°.
Pressure29.94 inHg
Wind16.6 mph N
Humidity59%
Visibility—
Dew point31°
Fri, 1342° / 35°0
Morning37°feels 29°
Afternoon41°feels 34°
Evening38°feels 31°
Overnight36°feels 28°
42 °
Johnstown, Friday, 13 November
Overcast. High 42°, low 35°.
Pressure30.00 inHg
Wind13.8 mph NW
Humidity63%
Visibility—
Dew point29°
Sat, 1448° / 30°0
Morning34°feels 27°
Afternoon45°feels 40°
Evening40°feels 35°
Overnight36°feels 31°
48 °
Johnstown, Saturday, 14 November
Clear. High 48°, low 30°.
Pressure30.06 inHg
Wind12 mph NW
Humidity36%
Visibility—
Dew point19°
Sun, 1559° / 36°0
Morning42°feels 37°
Afternoon55°feels 52°
Evening50°feels 48°
Overnight45°feels 43°
59 °
Johnstown, Sunday, 15 November
Mostly clear. High 59°, low 36°.
Pressure30.06 inHg
Wind8.8 mph SW
Humidity40%
Visibility—
Dew point29°
Mon, 1661° / 43°0
Morning48°feels 47°
Afternoon58°feels 56°
Evening53°feels 50°
Overnight48°feels 47°
61 °
Johnstown, Monday, 16 November
Partly cloudy. High 61°, low 43°.
Pressure30.15 inHg
Wind5.1 mph E
Humidity47%
Visibility—
Dew point37°
Tue, 1764° / 46°0
Morning50°feels 48°
Afternoon61°feels 59°
Evening55°feels 53°
Overnight51°feels 49°
64 °
Johnstown, Tuesday, 17 November
Overcast. High 64°, low 46°.
Pressure30.15 inHg
Wind7.6 mph SE
Humidity53%
Visibility—
Dew point42°
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.