Johnstown Weather Forecast
- 54
- 84
Chance Thunderstorms
- 52
- 83
Chance Thunderstorms
- 55
- 85
Mostly Sunny
- 56
- 89
Mostly Sunny
- 55
- 88
Mostly Sunny
- 54
- 85
Slight Chance Thunderstorms
Today 9 Jun Wind River Basin
Mostly sunny in the Morning, then partly cloudy with scattered Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs in the mid 80s. East Winds around 10 Mph in the afternoon. Chance of rain 30 percent.
Tonight 9 Jun Wind River Basin
Partly cloudy. Scattered Showers and Thunderstorms in the evening. Some Thunderstorms may produce gusty Winds in the evening. Lows in the mid 50s. Northeast Winds 10 to 15 Mph, becoming south after midnight. Chance of rain 30 percent.
Johnstown Temperature Statistics
June Temperature
Riverton Regional Airport (13 miles)
Lowest 1 June, 2024
39.7 °FAverage June
65 °FHighest 6 June, 2024
88 °F
Climate (2019–Present)
Riverton Regional Airport (13 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
32 °FAverage 2019–2024
44.4 °FAverage High 2019–2024
56.9 °F