Placentia, CA Weather Tomorrow

Your Placentia weather tomorrow forecast is paired with a detailed 5 day outlook featuring precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction across the Placentia area and around Orange county, California.
Updated: Fri Sep 4th 2026 7:30 AM PDT
Placentia, CA Weather – 9-4 – Sunny
87° / 60°
Sunny
Placentia is set for a sunny day with temperatures peaking at 87°F and dipping to 60°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 11mph on average and gusts of 21mph at 3 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 69% at 9 AM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 29.92inHg at 9 AM, a lowest point of 29.86inHg at 4 PM with an avg 29.9inHg.
Placentia, CA Weather – 9-5 – Sunny
85° / 66°

Weather Tomorrow

Sunny
Daytime highs will reach 85°F with lows dropping to 66°F in Placentia, where bright and sunny conditions. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 12mph on average and gusts of 22.4mph at 2 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 68% at 12 AM and 25% being its lowest at 2 PM. Barometric pressure is its highest of 29.94inHg at 12 PM, a lowest point of 29.89inHg at 5 PM with an avg 29.92inHg.
Placentia, CA Weather – 9-6 – Sunny
83° / 73°
Sunny
In Placentia, a sunny day is likely with a high near 83°F and a low around 73°F. There's a very small chance of rainfall, only about 4% with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 22.6mph at 2 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 61% at 11 PM and 29% being its lowest at 12 PM. Barometric pressure is its highest of 29.94inHg at 11 AM, a lowest point of 29.86inHg at 3 AM with an avg 29.9inHg.
Placentia, CA Weather – 9-7 – Sunny
89° / 70°
Sunny
It will be sunny in Placentia, with a high of 89°F and a low of 70°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 12mph on average and gusts of 22.6mph at 3 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 66% at 5 AM and 22% being its lowest at 3 PM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.86inHg at 6 PM with an avg 29.89inHg.
Placentia, CA Weather – 9-8 – Sunny
88° / 67°
Sunny
Daytime highs will reach 88°F with lows dropping to 67°F in Placentia, where bright and sunny conditions. There's a very small chance of rainfall, only about 3%. Winds will be light at 8mph and gusts of 18.6mph at 3 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 58% at 5 AM and 16% being its lowest at 12 PM. Barometric pressure is its highest of 29.96inHg at 8 AM, a lowest point of 29.87inHg at 6 PM with an avg 29.91inHg.
Placentia, CA Weather – 9-9 – Partly Cloudy
89° / 76°
Partly Cloudy
In Placentia, skies will be cloudy with highs near 89°F and lows around 76°F. There's a very small chance of rainfall, only about 5% with an estimated 0in. Winds will be light at 7mph and gusts of 15.9mph at 5 PM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 44% at 11 PM and 22% being its lowest at 11 AM. Barometric pressure is its highest of 29.92inHg at 11 AM, a lowest point of 29.84inHg at 5 PM with an avg 29.89inHg.

Currently

Sunny 60°F
29.9 inHg.
Barometer
91%
Humidity
SE 5 mph
Wind
Sunny

5 Day Forecast Nearby

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