10-day forecast for Johnstown, CA: 56° to 81°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Monday, November 2
67° · 0.21 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2779° / 56°0
Morning61°feels 59°
Afternoon79°feels 79°
Evening63°feels 63°
Overnight58°feels 57°
79 °
Johnstown, Tuesday, 27 October
Clear. High 79°, low 56°.
Pressure30.00 inHg
Wind3.3 mph W
Humidity36%
Visibility6.2 mi
Dew point46°
Wed, 2878° / 56°0
Morning62°feels 61°
Afternoon78°feels 78°
Evening67°feels 67°
Overnight57°feels 57°
78 °
Johnstown, Wednesday, 28 October
Overcast. High 78°, low 56°.
Pressure29.97 inHg
Wind2.8 mph SW
Humidity50%
Visibility6.2 mi
Dew point53°
Thu, 2977° / 61°0
Morning62°feels 62°
Afternoon77°feels 77°
Evening67°feels 67°
Overnight64°feels 65°
77 °
Johnstown, Thursday, 29 October
Partly cloudy. High 77°, low 61°.
Pressure29.91 inHg
Wind3 mph SW
Humidity54%
Visibility6.2 mi
Dew point55°
Fri, 3070° / 64°0.04
Morning64°feels 64°
Afternoon70°feels 70°
Evening67°feels 67°
Overnight65°feels 65°
70 °
Johnstown, Friday, 30 October
Light rain. High 70°, low 64°.
Pressure29.91 inHg
Wind4 mph SW
Humidity68%
Visibility6.2 mi
Dew point55°
Sat, 3171° / 63°0.1
Morning64°feels 64°
Afternoon69°feels 68°
Evening69°feels 69°
Overnight64°feels 65°
71 °
Johnstown, Saturday, 31 October
Light rain. High 71°, low 63°.
Pressure29.97 inHg
Wind2.7 mph SW
Humidity61%
Visibility—
Dew point54°
Sun, 0167° / 61°0.21
Morning63°feels 63°
Afternoon62°feels 62°
Evening67°feels 66°
Overnight65°feels 64°
67 °
Johnstown, Sunday, 1 November
Light rain. High 67°, low 61°.
Pressure30.00 inHg
Wind4.3 mph NE
Humidity80%
Visibility—
Dew point55°
Mon, 0281° / 63°0
Morning67°feels 66°
Afternoon77°feels 76°
Evening76°feels 75°
Overnight66°feels 65°
81 °
Johnstown, Monday, 2 November
Partly cloudy. High 81°, low 63°.
Pressure30.03 inHg
Wind6.6 mph NE
Humidity28%
Visibility—
Dew point40°
Tue, 0380° / 64°0
Morning68°feels 66°
Afternoon77°feels 75°
Evening76°feels 74°
Overnight66°feels 65°
80 °
Johnstown, Tuesday, 3 November
Clear. High 80°, low 64°.
Pressure30.03 inHg
Wind7.7 mph W
Humidity18%
Visibility—
Dew point29°
Wed, 0477° / 63°0
Morning66°feels 64°
Afternoon73°feels 72°
Evening72°feels 72°
Overnight64°feels 64°
77 °
Johnstown, Wednesday, 4 November
Clear. High 77°, low 63°.
Pressure30.03 inHg
Wind10.2 mph NW
Humidity36%
Visibility—
Dew point43°
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, CA 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.