In March, Oshkosh typically sees daytime highs of 3.8°C and overnight lows around -6.1°C. Compared to the annual average high of 12.8°C, March runs -9.0°C.
March in Oshkosh averages a daytime high of 3.8°C and an overnight low of -6.1°C.
March runs -9.0°C compared to Oshkosh's annual average high of 12.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 3.8°C and cooler evenings around -6.1°C.