Santa Ana, CA Hourly Forecast
Santa Ana temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 78°
- Coolest hour: 6 AM - around 65°
- Rain risk: low all day (peaks at 9%)
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 2 PM at 11 mph
Santa Ana hourly weather - Tuesday, September 15
In Santa Ana, expect a high near 78°F (26°C) around 3 PM and a low of 68°F (20°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 PM | Sunny | 78° | 76° | 1% | 10 mph SSW | 46% | 6 | |
| 4 PM | Sunny | 77° | 74° | 1% | 10 mph SSW | 46% | 3 | |
| 5 PM | Sunny | 76° | 72° | 2% | 10 mph SSW | 48% | 1 | |
| 6 PM | Sunny | 74° | 71° | 2% | 8 mph SSW | 53% | 0 | |
| 7 PM | Clear | 72° | 69° | 3% | 7 mph SSW | 58% | 0 | |
| 8 PM | Clear | 70° | 69° | 4% | 6 mph SSW | 62% | 0 | |
| 9 PM | Clear | 69° | 68° | 4% | 5 mph SSW | 65% | 0 | |
| 10 PM | Clear | 69° | 68° | 5% | 5 mph SSW | 67% | 0 | |
| 11 PM | Clear | 68° | 67° | 5% | 5 mph S | 68% | 0 |
Santa Ana hourly weather - Wednesday, September 16
In Santa Ana, expect a high near 77°F (25°C) around 1 PM and a low of 65°F (18°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 68° | 67° | 6% | 5 mph S | 70% | 0 | |
| 1 AM | Clear | 67° | 67° | 7% | 5 mph SSW | 72% | 0 | |
| 2 AM | Clear | 66° | 67° | 8% | 4 mph SSW | 74% | 0 | |
| 3 AM | Clear | 66° | 67° | 9% | 4 mph S | 76% | 0 | |
| 4 AM | Clear | 66° | 66° | 8% | 4 mph S | 76% | 0 | |
| 5 AM | Clear | 65° | 66° | 8% | 3 mph S | 76% | 0 | |
| 6 AM | Clear | 65° | 66° | 8% | 3 mph SSW | 76% | 0 | |
| 7 AM | Sunny | 65° | 66° | 9% | 3 mph SSW | 77% | 0 | |
| 8 AM | Sunny | 67° | 68° | 7% | 3 mph S | 72% | 0 | |
| 9 AM | Sunny | 69° | 69° | 5% | 4 mph S | 66% | 2 | |
| 10 AM | Sunny | 71° | 70° | 3% | 5 mph SSW | 58% | 4 | |
| 11 AM | Sunny | 74° | 72° | 2% | 7 mph SSW | 52% | 6 | |
| 12 PM | Sunny | 76° | 73° | 2% | 8 mph SW | 48% | 8 | |
| 1 PM | Sunny | 77° | 73° | 1% | 10 mph SW | 46% | 8 | |
| 2 PM | Sunny | 77° | 72° | 1% | 11 mph SW | 46% | 8 | |
| 3 PM | Sunny | 76° | 72° | 1% | 10 mph SW | 47% | 6 | |
| 4 PM | Sunny | 76° | 72° | 1% | 9 mph SW | 47% | 3 | |
| 5 PM | Sunny | 75° | 71° | 2% | 9 mph SW | 48% | 1 | |
| 6 PM | Sunny | 73° | 69° | 2% | 9 mph SW | 53% | 0 | |
| 7 PM | Clear | 70° | 68° | 3% | 7 mph SW | 60% | 0 | |
| 8 PM | Clear | 69° | 68° | 4% | 5 mph SW | 65% | 0 | |
| 9 PM | Clear | 68° | 68° | 5% | 4 mph SW | 67% | 0 | |
| 10 PM | Clear | 68° | 67° | 5% | 4 mph SSW | 68% | 0 | |
| 11 PM | Clear | 67° | 67° | 6% | 4 mph SSW | 70% | 0 |
Santa Ana hourly weather - Thursday, September 17
In Santa Ana, expect a high near 79°F (26°C) around 2 PM and a low of 64°F (18°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 66° | 66° | 6% | 4 mph SSW | 72% | 0 | |
| 1 AM | Clear | 66° | 66° | 7% | 4 mph SSW | 74% | 0 | |
| 2 AM | Clear | 65° | 66° | 8% | 3 mph SSW | 76% | 0 | |
| 3 AM | Clear | 65° | 66° | 9% | 3 mph S | 77% | 0 | |
| 4 AM | Clear | 64° | 66° | 9% | 2 mph SSW | 78% | 0 | |
| 5 AM | Clear | 64° | 65° | 9% | 2 mph SSW | 79% | 0 | |
| 6 AM | Clear | 64° | 65° | 10% | 2 mph SW | 79% | 0 | |
| 7 AM | Sunny | 64° | 66° | 10% | 2 mph WSW | 79% | 0 | |
| 8 AM | Sunny | 66° | 67° | 8% | 1 mph WSW | 74% | 0 | |
| 9 AM | Sunny | 68° | 69° | 5% | 2 mph WSW | 67% | 2 | |
| 10 AM | Sunny | 71° | 71° | 3% | 4 mph WSW | 59% | 4 | |
| 11 AM | Sunny | 74° | 72° | 2% | 5 mph WSW | 51% | 6 | |
| 12 PM | Sunny | 77° | 74° | 1% | 7 mph WSW | 44% | 8 | |
| 1 PM | Sunny | 78° | 76° | 1% | 8 mph WSW | 41% | 8 | |
| 2 PM | Sunny | 79° | 74° | 1% | 10 mph WSW | 40% | 7 | |
| 3 PM | Sunny | 78° | 76° | 1% | 9 mph WSW | 40% | 5 | |
| 4 PM | Sunny | 78° | 74° | 1% | 9 mph WSW | 41% | 3 | |
| 5 PM | Sunny | 76° | 72° | 1% | 8 mph WSW | 44% | 1 | |
| 6 PM | Sunny | 74° | 70° | 2% | 8 mph WSW | 50% | 0 | |
| 7 PM | Clear | 70° | 69° | 3% | 6 mph WSW | 58% | 0 | |
| 8 PM | Clear | 69° | 68° | 4% | 5 mph SW | 63% | 0 | |
| 9 PM | Clear | 68° | 68° | 4% | 4 mph SW | 65% | 0 | |
| 10 PM | Clear | 68° | 68° | 5% | 4 mph SW | 66% | 0 | |
| 11 PM | Clear | 67° | 67° | 5% | 3 mph SW | 68% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Santa Ana today?
Will it rain in Santa Ana tonight?
When is the UV index highest in Santa Ana today?
Santa Ana hour-by-hour: what to expect
Over the next 24 hours in Santa Ana, temperatures range from 65°F (18°C) around 6 AM up to 78°F (26°C) near 3 PM - about 6°F (3°C) below the typical September high of 84°F (29°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 8 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Santa Ana 14-day forecast or the monthly climate averages.