Summer: Daytime highs in the mid to upper 90's F (38 C) and night time lows near 70 F (16 C). Late summer afternoons often bring sudden thunderstorms, so an umbrella or rain gear could be helpful.
NPS image
Winter: Daytime highs around 40 F (4 C), and night time lows in the teens (- 10 C). Occasional snow.
Did You Know?
The Eastern Tiger Salamander is one of the largest terrestrial salamanders in the United States. The biggest specimen recorded was 13 inches long.