Johnstown Weather Forecast
- 67
- 95
Slight Chance Thunderstorms
- 67
- 98
Hot
- 69
- 98
Hot
- 69
- 99
Hot
- 65
- 97
Hot
- 64
- 93
Chance Rain Showers
Today 9 Aug Brown
Sunny. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. South Winds 10 to 15 Mph.
Tonight 9 Aug Brown
Mostly clear. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. South Winds around 10 Mph.
Johnstown Temperature Statistics
August Temperature
Ainsworth Regional Airport (2.5 miles)
Lowest 4 August, 2022
59.2 °FAverage August
80.4 °FHighest 2 August, 2022
106.2 °F
Climate (2010–Present)
Ainsworth Regional Airport (2.5 miles)
Average Low 2010–Present
37.9 °FAverage 2010–Present
49.4 °FAverage High 2010–Present
61.4 °F