St. Helena, CA

Grasshopper Adventure Series

Sun · Sep 20, 2026

Race-day forecast

In 2 days

Patchy Fog then Mostly Cloudy

Temp: 83°F
Humidity: 46%
Wind: SW 2 mph, gusting 9
Rain: 0%

National Weather Service · updated just now

Upcoming2026

Sun · Sep 20, 2026 · Register ↗date source ↗