Merna Weather Forecast
- 53
- 68
Mostly Cloudy
- 61
- 73
Mostly Cloudy
- 64
- 86
Chance Thunderstorms
- 64
- 83
Chance Thunderstorms
- 65
- 86
Slight Chance Thunderstorms
- 67
- 92
Mostly Sunny
- 67
- 93
Slight Chance Thunderstorms
Today 16 Jul Custer
Mostly cloudy. A slight chance of Showers in the afternoon. Highs around 70. North Winds 10 to 15 Mph. Chance of precipitation 20 percent.
Tonight 16 Jul Custer
Mostly cloudy. Lows in the mid 50s. Northeast Winds 10 to 15 Mph.
Merna Temperature Statistics
July Temperature
Broken Bow, Broken Bow Municipal Airport (6.2 miles)
Lowest 1 July, 2025
51.1 °FAverage July
73.6 °FHighest 2 July, 2025
90 °F
Climate (2020–Present)
Broken Bow, Broken Bow Municipal Airport (6.2 miles)
Average Low 2020–2025
37.7 °FAverage 2020–2025
50.7 °FAverage High 2020–2025
64.1 °F