Johnstown Cambria County Airport (JST) Weather 04/29/2025

Tonight
48
Showers
Wednesday
65
Decreasing Clouds
Wednesday Night
50
Partly Cloudy
Thursday
72
Chance Showers then Showers Likely
Thursday Night
60
Showers Likely
Friday
71
Showers Likely
Friday Night
51
Showers Likely
Saturday
60
Showers Likely
Saturday Night
41
Chance Showers
Sunday
59
Partly Sunny
Sunday Night
43
Partly Cloudy
Monday
64
Mostly Sunny then Chance Showers
Monday Night
47
Chance Showers
Weekly Forecast
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 48. West wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Northwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 72. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 71. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.