Mercer Weather Forecast
- -6
- 14
Becoming Sunny
- 7
- 11
Mostly Cloudy
- 10
- 19
Snow
- -2
- 16
Chance Snow
- 4
- 15
Slight Chance Snow
- 0
- 16
Chance Snow
Today 23 Jan Mercer
Partly sunny in the Morning, then becoming mostly cloudy. Very cold with Highs around 13. Temperatures falling to around 5 above in the afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 15 below.
Tonight 23 Jan Mercer
Mainly clear. Frigid. Lows around 6 below. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 16 below.
Mercer Temperature Statistics
January Temperature
New Castle, New Castle Municipal Airport (16.2 miles)
Lowest 20 January, 2026
1.9 °FAverage January
28.8 °FHighest 9 January, 2026
64.9 °F
Climate (2021–Present)
New Castle, New Castle Municipal Airport (16.2 miles)
Average Low 2021–2026
41.7 °FAverage 2021–2026
51.2 °FAverage High 2021–2026
61 °F