Westminster, CA Weather Tomorrow

Whether you're making plans for tomorrow or later this week, the Westminster 5 day forecast includes 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 for the Westminster area.
Updated: Fri Sep 11th 2026 9:15 AM PDT
Westminster, CA Weather – 9-11 – Sunny
89° / 71°
Sunny
Highs will reach 89°F with lows near 71°F in Westminster, where a sunny day is. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 13mph on average and gusts of 17.7mph at 5 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 74% at 11 PM and 57% 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.
Westminster, CA Weather – 9-12 – Sunny
78° / 72°

Weather Tomorrow

Sunny
In Westminster, bright and sunny conditions with highs near 78°F and lows around 72°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 12mph on average and gusts of 21.7mph at 2 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 79% at 4 AM and 56% being its lowest at 1 PM. Barometric pressure is its highest of 29.9inHg at 10 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.85inHg.
Westminster, CA Weather – 9-13 – Sunny
78° / 70°
Sunny
Westminster is set for sunshine with temperatures peaking at 78°F and dipping to 70°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 10mph and gusts of 20.8mph at 5 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 80% at 4 AM and 55% being its lowest at 3 PM. Barometric pressure is its highest of 29.86inHg at 8 AM, a lowest point of 29.77inHg at 5 PM with an avg 29.82inHg.
Westminster, CA Weather – 9-14 – Sunny
77° / 69°
Sunny
Highs will reach 77°F with lows near 69°F in Westminster, where sunshine is. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 13mph on average and gusts of 23.5mph at 1 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 78% at 6 AM and 58% being its lowest at 2 PM. Barometric pressure is its highest of 29.84inHg at 10 PM, a lowest point of 29.78inHg at 5 PM with an avg 29.81inHg.
Westminster, CA Weather – 9-15 – Sunny
77° / 69°
Sunny
It will be sunny in Westminster, with a high of 77°F and a low of 69°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 11mph on average and gusts of 21.5mph at 3 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 78% at 5 AM and 55% being its lowest at 1 PM. Barometric pressure is its highest of 29.92inHg at 10 PM, a lowest point of 29.83inHg at 2 AM with an avg 29.88inHg.
Westminster, CA Weather – 9-16 – Sunny
77° / 69°
Sunny
Daytime highs will reach 77°F with lows dropping to 69°F in Westminster, where it will be sunny. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 17.9mph at 3 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 78% at 5 AM and 53% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.91inHg at 2 AM with an avg 29.97inHg.

Currently

Sunny 79°F
29.87 inHg.
Barometer
66%
Humidity
SSE 14.4 mph
Wind
Sunny

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