Mercer Field Weather Forecast
- 67
- 85
Partly Sunny
- 66
- 84
Chance Thunderstorms
- 65
- 83
Rain Showers Likely
- 65
- 85
Slight Chance Thunderstorms
- 69
- 85
Chance Thunderstorms
- 62
- 83
Chance Thunderstorms
- 62
- 80
Slight Chance Thunderstorms
Today 6 Jul Union
Mostly sunny. Near steady temperature in the lower 80s. North Winds 5 to 10 Mph.
Tonight 6 Jul Union
Partly cloudy Early, then clearing. Humid with Lows in the upper 60s. North Winds 5 to 10 Mph.
Mercer Field Temperature Statistics
July Temperature
Creston Municipal Airport (5 miles)
Lowest 1 July, 2025
60.8 °FAverage July
75.9 °FHighest 3 July, 2025
89.6 °F
Climate (2020–Present)
Creston Municipal Airport (5 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
51 °FAverage High 2020–2025
61.4 °F