Weather information for the Johnstown area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for Johnstown are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 34° | 36° | 47° | 58° | 68° | 77° | 80° | 78° | 74° | 62° | 48° | 37° |
| Avg. Low | 14° | 15° | 24° | 32° | 42° | 50° | 54° | 54° | 47° | 36° | 28° | 18° |
| Daily Avg | 24° | 26° | 36° | 46° | 56° | 64° | 68° | 67° | 60° | 50° | 40° | 28° |
| Avg. Precip. | 3.7 in | 3.3 in | 4.3 in | 4.3 in | 4.7 in | 4.4 in | 4.9 in | 3.9 in | 4.1 in | 3.3 in | 3.9 in | 3.7 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
Today
Widespread Showers And Thunderstorms
Tonight
Scattered Showers And Thunderstorms then Mostly Cloudy
Saturday
Mostly Sunny
Saturday Night
Partly Cloudy then Widespread Frost
Sunday
Areas Of Frost then Partly Sunny
Sunday Night
Mostly Clear then Widespread Frost
Detailed Forecast |
|
|---|---|
| Today | A chance of rain showers between 8am and 2pm, then widespread showers and thunderstorms. Cloudy, with a high near 63. South wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight | Scattered showers and thunderstorms before 9pm. Mostly cloudy, with a low around 41. Northwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday | Mostly sunny, with a high near 56. West wind 6 to 17 mph, with gusts as high as 29 mph. |
| Saturday Night | Widespread frost after 4am. Partly cloudy, with a low around 33. West wind 3 to 15 mph, with gusts as high as 24 mph. |
| Sunday | Areas of frost before 8am. Partly sunny, with a high near 53. West wind 3 to 12 mph. |
| Sunday Night | Widespread frost after 2am. Mostly clear, with a low around 34. |
| Monday | Areas of frost before 8am. Sunny, with a high near 59. |
| Monday Night | Mostly clear, with a low around 38. |
| Tuesday | A chance of rain showers after 2pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%. |
| Tuesday Night | Rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 80%. |
| Wednesday | Rain showers. Partly sunny, with a high near 56. Chance of precipitation is 80%. |
| Wednesday Night | A chance of rain showers before 8pm. Mostly clear, with a low around 31. Chance of precipitation is 30%. |
| Thursday | Sunny, with a high near 56. |
| Thursday Night | A slight chance of rain showers after 2am. Mostly clear, with a low around 34. |
