Weather Resources

AgWeatherNet (AWN) provides access to current and historical weather data from Washington State University’s automated weather station network along with a range of models and decision aids. The weather data, advisories, weather data products, and decision support systems provided by AgWeatherNet and WSU can help improve production and product quality, optimize resource use and reduce environmental impact.

An AgWeatherNet account is required to use many of the weather resources. AgWeatherNet and WSU respect your privacy and will not sell your information.

Growing Degree Day Calculator

Estimate growing degree days based on detailed weather information from AgWeatherNet.

AWN ‘When to Spray’ Guidance Tool

When signed in to your AWN account, navigate to Models >> Human >> Spray Guidance. The interface allows users to select preferred stations and provides station-specific spray advisories for the next 72 h.