10-day forecast for Johnston, OH: 42° to 74°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, October 29
54° · 0.75 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2974° / 45°0
Morning46°feels 43°
Afternoon74°feels 73°
Evening63°feels 62°
Overnight47°feels 45°
74 °
Johnston, Thursday, 29 October
Clear. High 74°, low 45°.
Pressure30.18 inHg
Wind7.7 mph SW
Humidity51%
Visibility6.2 mi
Dew point48°
Fri, 3064° / 46°0.01
Morning54°feels 53°
Afternoon63°feels 61°
Evening52°feels 49°
Overnight58°feels 58°
64 °
Johnston, Friday, 30 October
Light rain. High 64°, low 46°.
Pressure30.30 inHg
Wind6.1 mph N
Humidity51%
Visibility6.2 mi
Dew point42°
Sat, 3156° / 42°0
Morning43°feels 40°
Afternoon56°feels 55°
Evening54°feels 52°
Overnight43°feels 41°
56 °
Johnston, Saturday, 31 October
Overcast. High 56°, low 42°.
Pressure30.42 inHg
Wind4 mph E
Humidity68%
Visibility6.2 mi
Dew point43°
Sun, 0169° / 48°0
Morning54°feels 53°
Afternoon67°feels 65°
Evening56°feels 55°
Overnight54°feels 52°
69 °
Johnston, Sunday, 1 November
Overcast. High 69°, low 48°.
Pressure30.27 inHg
Wind6.7 mph S
Humidity43%
Visibility—
Dew point42°
Mon, 0265° / 46°0.06
Morning51°feels 50°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight53°feels 52°
65 °
Johnston, Monday, 2 November
Light rain. High 65°, low 46°.
Pressure30.15 inHg
Wind6.7 mph S
Humidity50%
Visibility—
Dew point44°
Tue, 0361° / 51°0.09
Morning53°feels 53°
Afternoon58°feels 58°
Evening58°feels 58°
Overnight56°feels 56°
61 °
Johnston, Tuesday, 3 November
Light rain. High 61°, low 51°.
Pressure29.88 inHg
Wind15.5 mph E
Humidity89%
Visibility—
Dew point54°
Wed, 0454° / 44°0.75
Morning46°feels 39°
Afternoon46°feels 38°
Evening45°feels 37°
Overnight46°feels 39°
54 °
Johnston, Wednesday, 4 November
Rain. High 54°, low 44°.
Pressure30.03 inHg
Wind18.8 mph E
Humidity82%
Visibility—
Dew point41°
Thu, 0548° / 45°0.66
Morning46°feels 41°
Afternoon48°feels 46°
Evening46°feels 46°
Overnight46°feels 43°
48 °
Johnston, Thursday, 5 November
Rain. High 48°, low 45°.
Pressure29.91 inHg
Wind13.1 mph E
Humidity89%
Visibility—
Dew point45°
Fri, 0649° / 46°0.04
Morning47°feels 44°
Afternoon49°feels 46°
Evening48°feels 46°
Overnight47°feels 45°
49 °
Johnston, Friday, 6 November
Light rain. High 49°, low 46°.
Pressure29.83 inHg
Wind7.4 mph W
Humidity94%
Visibility—
Dew point47°
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, OH 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.