Calistoga, CA Weather Tomorrow

Check the latest weather forecast for Calistoga tomorrow and over the next 5 days with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Calistoga area and around Napa county, California.
Updated: Sat Sep 26th 2026 7:30 PM PDT
Calistoga, CA Weather – 9-26 – Overcast
78° / 51°
Overcast
In Calistoga, skies will be overcast with highs near 78°F and lows around 51°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 7mph and gusts of 13.4mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 68% at 10 PM and 64% being its lowest at 8 PM. Barometric pressure is its highest of 29.89inHg at 9 PM, a lowest point of 29.87inHg at 8 PM with an avg 29.89inHg.
Calistoga, CA Weather – 9-27 – Sunny
77° / 52°

Weather Tomorrow

Sunny
In Calistoga, a sunny day is likely with a high near 77°F and a low around 52°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 10mph and gusts of 19.2mph at 2 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 89% at 11 PM and 24% being its lowest at 2 PM. Barometric pressure is its highest of 29.89inHg at 10 AM, a lowest point of 29.8inHg at 4 PM with an avg 29.85inHg.
Calistoga, CA Weather – 9-28 – Sunny
83° / 50°
Sunny
In Calistoga, it will be sunny with highs near 83°F and lows around 50°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 8mph and gusts of 16.1mph at 9 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 90% at 12 AM and 18% being its lowest at 2 PM. Barometric pressure is its highest of 29.93inHg at 8 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.87inHg.
Calistoga, CA Weather – 9-29 – Sunny
92° / 61°
Sunny
It will be sunny in Calistoga, with a high of 92°F and a low of 61°F. Winds will be light at 8mph and gusts of 14.8mph at 8 AM. Humidity levels should be comfortable, sitting around 31% on average, the maximum being 48% at 12 AM and 12% being its lowest at 12 PM. Barometric pressure is its highest of 29.84inHg at 9 AM, a lowest point of 29.7inHg at 5 PM with an avg 29.79inHg.
Calistoga, CA Weather – 9-30 – Sunny
93° / 61°
Sunny
Bright and sunny conditions in Calistoga, with a high of 93°F and a low of 61°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 20.4mph at 3 PM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 48% at 6 AM and 14% being its lowest at 1 PM. Barometric pressure is its highest of 29.83inHg at 9 AM, a lowest point of 29.74inHg at 5 PM with an avg 29.79inHg.
Calistoga, CA Weather – 10-1 – Overcast
87° / 59°
Overcast
Skies will be overcast in Calistoga, with a high of 87°F and a low of 59°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 6mph and gusts of 14.3mph at 11 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 59% at 11 PM and 16% being its lowest at 2 PM. Barometric pressure is its highest of 29.87inHg at 10 AM, a lowest point of 29.78inHg at 5 PM with an avg 29.82inHg.

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