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Hourly Forecast
Daylight Hours
05:49
Sunrise
17:53
Sunset
Moon
Waxing Crescent
09:58
Moonrise
21:24
Moonset
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Weather in Santa Ana tomorrow, September 17, 2026
Rain features in Santa Ana on September 17, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 62% by 09:00. The thickest cloud arrives around 00:00, reaching about 90%.
Expect highs of 30°C and cooler readings close to 24°C. Relative humidity sits between 73% and 98%, reaching its peak around 00:00. Airflow remains manageable, reaching about 2.2 km/h around 11:00.
Through the afternoon wet weather remains a factor, with rain chances near 98% around 12:00. Cloud also stays substantial, close to 90% near 17:00. Visibility stays generally good near 15.4 km on average, though it can drop toward 7.9 km in thicker cloud or showers. Daylight runs from 05:49 to 17:52, lasting 12 hours 3 minutes of sunlight today.
In short, treat September 17, 2026 in Santa Ana as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.
Frequently asked questions about weather in Santa Ana
How warm does it get in Santa Ana?
The warmest month in Santa Ana is May, with average high temperatures of 35°C. The average temperature during this period is around 30°C.
How cold does it get in Santa Ana?
The coldest month in Santa Ana is February, with average low temperatures of 23°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Santa Ana?
The wettest month in Santa Ana is July, with an average of 343mm of precipitation.
What is the driest time of year in Santa Ana?
The driest month in Santa Ana is March, with an average of 13mm of precipitation.
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