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Guerneville weather

Current conditions and a 14-day forecast for Guerneville, United States. Looking for typical seasonal weather instead? See the historical climate averages.

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Frequently asked questions

What's the weather like in Guerneville today?

Current conditions and today's forecast for Guerneville, United States are shown above, refreshed regularly through the day.

How accurate is a 14-day forecast?

A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.

What is Guerneville's weather usually like?

For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Guerneville's climate page rather than this live forecast.