Santa Ana, CA Hourly Forecast
Santa Ana temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 90°
- Coolest hour: 10 PM - around 70°
- Rain risk: low all day (peaks at 15%)
- UV peak: 1 PM at index 11 - sun protection recommended
- Windiest: 5 PM at 11 mph
Santa Ana hourly weather - Friday, July 17
In Santa Ana, expect a high near 90°F (32°C) around 12 PM and a low of 70°F (21°C) near 10 PM; precipitation risk peaks at 15% around 10 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 10 AM | Partly cloudy | 75° | 78° | 5% | 7 mph SSW | 71% | 6 | |
| 11 AM | Sunny | 88° | 97° | 4% | 8 mph SSW | 61% | 8 | |
| 12 PM | Sunny | 90° | 98° | 3% | 9 mph SSW | 57% | 11 | |
| 1 PM | Sunny | 87° | 91° | 3% | 10 mph SSW | 57% | 11 | |
| 2 PM | Sunny | 87° | 91° | 3% | 10 mph SSW | 56% | 9 | |
| 3 PM | Sunny | 85° | 88° | 2% | 10 mph SSW | 55% | 5 | |
| 4 PM | Sunny | 83° | 85° | 3% | 10 mph SSW | 56% | 2 | |
| 5 PM | Sunny | 85° | 88° | 3% | 11 mph SSW | 56% | 2 | |
| 6 PM | Sunny | 79° | 73° | 3% | 10 mph S | 60% | 1 | |
| 7 PM | Sunny | 77° | 64° | 6% | 9 mph S | 70% | 0 | |
| 8 PM | Sunny | 72° | 60° | 9% | 8 mph S | 80% | 0 | |
| 9 PM | Clear | 70° | 60° | 12% | 7 mph S | 85% | 0 | |
| 10 PM | Partly Cloudy | 70° | 60° | 15% | 6 mph S | 87% | 0 | |
| 11 PM | Clear | 73° | 63° | 6% | 6 mph S | 69% | 0 |
Santa Ana hourly weather - Saturday, July 18
In Santa Ana, expect a high near 82°F (28°C) around 2 PM and a low of 71°F (22°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 73° | 63° | 6% | 4 mph S | 71% | 0 | |
| 1 AM | Clear | 72° | 63° | 7% | 4 mph S | 72% | 0 | |
| 2 AM | Clear | 72° | 62° | 7% | 5 mph S | 74% | 0 | |
| 3 AM | Clear | 72° | 62° | 8% | 5 mph SSE | 75% | 0 | |
| 4 AM | Clear | 71° | 62° | 8% | 4 mph S | 76% | 0 | |
| 5 AM | Clear | 71° | 62° | 8% | 4 mph S | 77% | 0 | |
| 6 AM | Sunny | 71° | 61° | 9% | 4 mph S | 79% | 0 | |
| 7 AM | Sunny | 71° | 62° | 9% | 4 mph S | 77% | 0 | |
| 8 AM | Sunny | 73° | 64° | 7% | 4 mph S | 72% | 2 | |
| 9 AM | Sunny | 76° | 66° | 5% | 4 mph S | 65% | 4 | |
| 10 AM | Sunny | 78° | 73° | 3% | 5 mph SSW | 59% | 6 | |
| 11 AM | Sunny | 80° | 81° | 3% | 8 mph SSW | 54% | 9 | |
| 12 PM | Sunny | 81° | 82° | 3% | 9 mph SSW | 53% | 11 | |
| 1 PM | Sunny | 82° | 83° | 2% | 10 mph SSW | 51% | 11 | |
| 2 PM | Sunny | 82° | 83° | 2% | 10 mph SSW | 50% | 10 | |
| 3 PM | Sunny | 81° | 82° | 2% | 11 mph SSW | 50% | 8 | |
| 4 PM | Sunny | 80° | 80° | 2% | 10 mph SSW | 52% | 5 | |
| 5 PM | Sunny | 79° | 76° | 3% | 9 mph SSW | 52% | 3 | |
| 6 PM | Sunny | 78° | 71° | 3% | 8 mph SSW | 54% | 1 | |
| 7 PM | Sunny | 77° | 66° | 3% | 7 mph SW | 58% | 0 | |
| 8 PM | Sunny | 75° | 65° | 4% | 6 mph SW | 61% | 0 | |
| 9 PM | Clear | 74° | 64° | 5% | 4 mph SSW | 65% | 0 | |
| 10 PM | Clear | 74° | 65° | 5% | 3 mph S | 64% | 0 | |
| 11 PM | Clear | 74° | 64° | 5% | 5 mph SW | 65% | 0 |
Santa Ana hourly weather - Sunday, July 19
In Santa Ana, expect a high near 84°F (29°C) around 1 PM and a low of 70°F (21°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 73° | 62° | 6% | 6 mph SSW | 70% | 0 | |
| 1 AM | Clear | 72° | 62° | 7% | 5 mph S | 72% | 0 | |
| 2 AM | Clear | 71° | 61° | 7% | 5 mph SSW | 73% | 0 | |
| 3 AM | Clear | 71° | 62° | 8% | 4 mph S | 74% | 0 | |
| 4 AM | Clear | 71° | 62° | 8% | 3 mph S | 74% | 0 | |
| 5 AM | Clear | 71° | 62° | 8% | 3 mph SSW | 76% | 0 | |
| 6 AM | Sunny | 70° | 61° | 9% | 4 mph S | 77% | 0 | |
| 7 AM | Sunny | 71° | 62° | 8% | 4 mph SSW | 76% | 0 | |
| 8 AM | Sunny | 73° | 64° | 6% | 2 mph SW | 70% | 2 | |
| 9 AM | Sunny | 76° | 68° | 5% | 0 mph WSW | 63% | 4 | |
| 10 AM | Sunny | 79° | 77° | 3% | 2 mph WSW | 54% | 6 | |
| 11 AM | Sunny | 82° | 82° | 2% | 6 mph SW | 48% | 9 | |
| 12 PM | Sunny | 83° | 84° | 2% | 8 mph SW | 46% | 11 | |
| 1 PM | Sunny | 84° | 84° | 2% | 10 mph SW | 45% | 11 | |
| 2 PM | Sunny | 83° | 83° | 2% | 11 mph SW | 46% | 10 | |
| 3 PM | Sunny | 83° | 82° | 1% | 8 mph SW | 43% | 8 | |
| 4 PM | Sunny | 83° | 82° | 1% | 10 mph SW | 41% | 5 | |
| 5 PM | Sunny | 80° | 79° | 2% | 11 mph SW | 47% | 3 | |
| 6 PM | Sunny | 79° | 74° | 2% | 7 mph SW | 49% | 1 | |
| 7 PM | Sunny | 78° | 69° | 2% | 7 mph SW | 52% | 0 | |
| 8 PM | Sunny | 76° | 65° | 3% | 6 mph SW | 57% | 0 | |
| 9 PM | Clear | 74° | 64° | 4% | 6 mph SW | 61% | 0 | |
| 10 PM | Clear | 74° | 64° | 4% | 4 mph SSW | 64% | 0 | |
| 11 PM | Clear | 73° | 63° | 4% | 5 mph SW | 66% | 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 70°F (21°C) around 10 PM up to 90°F (32°C) near 12 PM - about 7°F (4°C) above the typical July high of 83°F (28°C).
A stray shower can't be ruled out - Rain chances top out at 15% around 10 PM. UV reaches 11 (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.