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Buellton, CA Weather Forecast for 5-Days

Updated: Tue Feb 17th 2026 3:30 AM PST

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Buellton, CA Weather – 2-17 – Moderate Rain
54° / 47°
Moderate Rain
Periods of rain are likely in Buellton, with a high of 54°F and a low of 47°F. The chance of rain is 89% with an estimated 0.25in. Winds will be strong at speeds peaking at 23mph and gusts of 29.4mph at 11 PM. High humidity with average of 84% is anticipated, the maximum being 93% at 8 PM and 60% being its lowest at 11 AM. Barometric pressure is its highest of 30.08inHg at 10 AM, a lowest point of 29.84inHg at 11 PM with an avg 29.98inHg.
Buellton, CA Weather – 2-18 – Heavy Rain
51° / 41°

Weather Tomorrow

Heavy Rain
Buellton may see rain showers, with daytime highs of 51°F and overnight lows near 41°F. The chance of rain is 85% with an estimated 1.28in. Wind will be moderate, blowing around 19mph on average and gusts of 27.2mph at 3 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 94% at 11 PM and 67% being its lowest at 2 PM. Barometric pressure is its highest of 30.12inHg at 11 AM, a lowest point of 29.9inHg at 12 AM with an avg 30.05inHg.
Buellton, CA Weather – 2-19 – Heavy Rain
51° / 40°
Heavy Rain
Daytime highs will reach 51°F with lows dropping to 40°F in Buellton, where periods of rain are likely. The chance of rain is 88% with an estimated 0.94in. Wind will be moderate, blowing around 14mph on average and gusts of 18.7mph at 8 PM. High humidity with average of 86% is anticipated, the maximum being 98% at 8 AM and 81% being its lowest at 2 AM. Barometric pressure is its highest of 30.11inHg at 11 PM, a lowest point of 29.88inHg at 8 AM with an avg 29.99inHg.
Buellton, CA Weather – 2-20 – Sunny
57° / 33°
Sunny
Bright and sunny conditions in Buellton, with a high of 57°F and a low of 33°F. Winds will be light at 9mph and gusts of 16.4mph at 6 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 91% at 12 AM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 10 PM, a lowest point of 29.94inHg at 1 AM with an avg 30.03inHg.
Buellton, CA Weather – 2-21 – Sunny
58° / 37°
Sunny
Daytime highs will reach 58°F with lows dropping to 37°F in Buellton, where it will be sunny. Winds will be light at 8mph and gusts of 9.9mph at 5 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 71% at 12 AM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30.19inHg at 10 AM, a lowest point of 30.11inHg at 4 PM with an avg 30.15inHg.
Buellton, CA Weather – 2-22 – Sunny
63° / 47°
Sunny
Buellton could see a sunny day with daytime highs of 63°F and nighttime lows near 47°F. Winds will be light at 9mph and gusts of 14.6mph at 4 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 71% at 7 PM and 48% being its lowest at 12 PM. Barometric pressure is its highest of 30.17inHg at 12 AM, a lowest point of 30.1inHg at 4 AM with an avg 30.13inHg.

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