10-day forecast for Johnstown, SC: 46° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Tuesday, October 20
69° · 0.11 in
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1864° / 46°0
Morning46°feels 41°
Afternoon63°feels 61°
Evening52°feels 49°
Overnight50°feels 47°
64 °
Johnstown, Sunday, 18 October
Clear. High 64°, low 46°.
Pressure30.45 inHg
Wind10.2 mph NE
Humidity39%
Visibility6.2 mi
Dew point33°
Mon, 1968° / 46°0
Morning46°feels 43°
Afternoon66°feels 64°
Evening57°feels 55°
Overnight47°feels 44°
68 °
Johnstown, Monday, 19 October
Clear. High 68°, low 46°.
Pressure30.36 inHg
Wind7.4 mph NE
Humidity39%
Visibility6.2 mi
Dew point36°
Tue, 2075° / 48°0
Morning49°feels 46°
Afternoon74°feels 73°
Evening60°feels 59°
Overnight50°feels 48°
75 °
Johnstown, Tuesday, 20 October
Clear. High 75°, low 48°.
Pressure30.27 inHg
Wind7.7 mph NE
Humidity32%
Visibility6.2 mi
Dew point39°
Wed, 2172° / 51°0
Morning51°feels 49°
Afternoon72°feels 70°
Evening59°feels 58°
Overnight52°feels 50°
72 °
Johnstown, Wednesday, 21 October
Clear. High 72°, low 51°.
Pressure30.24 inHg
Wind5.6 mph NE
Humidity48%
Visibility6.2 mi
Dew point46°
Thu, 2273° / 49°0
Morning56°feels 55°
Afternoon70°feels 69°
Evening59°feels 58°
Overnight54°feels 53°
73 °
Johnstown, Thursday, 22 October
Clear. High 73°, low 49°.
Pressure30.12 inHg
Wind4.7 mph NE
Humidity41%
Visibility—
Dew point44°
Fri, 2375° / 54°0
Morning60°feels 59°
Afternoon73°feels 72°
Evening64°feels 62°
Overnight59°feels 57°
75 °
Johnstown, Friday, 23 October
Mostly clear. High 75°, low 54°.
Pressure30.12 inHg
Wind6.6 mph NE
Humidity34%
Visibility—
Dew point42°
Sat, 2471° / 53°0
Morning58°feels 56°
Afternoon69°feels 68°
Evening60°feels 58°
Overnight56°feels 53°
71 °
Johnstown, Saturday, 24 October
Clear. High 71°, low 53°.
Pressure30.24 inHg
Wind11.5 mph NE
Humidity40%
Visibility—
Dew point43°
Sun, 2573° / 51°0
Morning57°feels 56°
Afternoon70°feels 69°
Evening62°feels 61°
Overnight58°feels 57°
73 °
Johnstown, Sunday, 25 October
Partly cloudy. High 73°, low 51°.
Pressure30.21 inHg
Wind11.7 mph NE
Humidity46%
Visibility—
Dew point47°
Mon, 2675° / 56°0
Morning61°feels 60°
Afternoon72°feels 71°
Evening64°feels 63°
Overnight60°feels 59°
75 °
Johnstown, Monday, 26 October
Overcast. High 75°, low 56°.
Pressure30.21 inHg
Wind6.8 mph NE
Humidity38%
Visibility—
Dew point44°
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, SC 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.