Garden Grove, CA Weather Tomorrow

Review tomorrow's weather in Garden Grove and the upcoming 5 day forecast 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 Garden Grove area and around Orange county, California.
Updated: Sun Sep 20th 2026 8:30 AM PDT
Garden Grove, CA Weather – 9-20 – Overcast
74° / 68°
Overcast
Overcast is in the forecast for Garden Grove, with a high of 74°F and a low of 68°F. There might be light rainfall having a 17% chance. Wind will be moderate, blowing around 11mph on average and gusts of 21mph at 7 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 74% at 9 AM and 62% being its lowest at 2 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.91inHg.
Garden Grove, CA Weather – 9-21 – Sunny
74° / 68°

Weather Tomorrow

Sunny
Sunshine is in the forecast for Garden Grove, with a high of 74°F and a low of 68°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 21mph at 4 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 76% at 6 AM and 56% being its lowest at 1 PM. Barometric pressure is its highest of 29.94inHg at 9 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.9inHg.
Garden Grove, CA Weather – 9-22 – Sunny
73° / 68°
Sunny
In Garden Grove, it will be sunny with highs near 73°F and lows around 68°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 11mph on average and gusts of 21mph at 4 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 73% at 11 PM and 59% being its lowest at 1 PM. Barometric pressure is its highest of 29.9inHg at 11 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.86inHg.
Garden Grove, CA Weather – 9-23 – Sunny
76° / 69°
Sunny
Garden Grove is set for sunshine with temperatures peaking at 76°F and dipping to 69°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 10mph and gusts of 20.8mph at 2 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 80% at 6 AM and 60% being its lowest at 12 PM. Barometric pressure is its highest of 29.89inHg at 11 PM, a lowest point of 29.81inHg at 4 AM with an avg 29.84inHg.
Garden Grove, CA Weather – 9-24 – Sunny
77° / 70°
Sunny
Daytime highs will reach 77°F with lows dropping to 70°F in Garden Grove, where it will be sunny. There's a very small chance of rainfall, only about 7%. Winds will be light at 10mph and gusts of 20.4mph at 2 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 81% at 6 AM and 62% being its lowest at 12 PM. Barometric pressure is its highest of 29.91inHg at 8 AM, a lowest point of 29.84inHg at 5 PM with an avg 29.88inHg.
Garden Grove, CA Weather – 9-25 – Sunny
83° / 72°
Sunny
Garden Grove is set for a sunny day with temperatures peaking at 83°F and dipping to 72°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 12mph on average and gusts of 21.9mph at 5 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 74% at 5 AM and 44% being its lowest at 5 PM. Barometric pressure is its highest of 29.88inHg at 12 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.85inHg.

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