Santa Ana, CA Hourly Forecast
Santa Ana temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 86°
- Coolest hour: 6 AM - around 70°
- Rain risk: low all day (peaks at 6%)
- UV peak: 1 PM at index 10 - sun protection recommended
- Windiest: 5 PM at 10 mph
Santa Ana hourly weather - Sunday, August 16
In Santa Ana, expect a high near 82°F (28°C) around 5 PM and a low of 73°F (23°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 5 PM | Sunny | 82° | 82° | 1% | 10 mph WSW | 44% | 2 | |
| 6 PM | Sunny | 80° | 80° | 2% | 8 mph WSW | 46% | 1 | |
| 7 PM | Sunny | 79° | 78° | 2% | 7 mph WSW | 48% | 0 | |
| 8 PM | Clear | 76° | 76° | 2% | 6 mph SW | 54% | 0 | |
| 9 PM | Clear | 75° | 76° | 3% | 5 mph SW | 57% | 0 | |
| 10 PM | Clear | 74° | 74° | 3% | 7 mph SW | 60% | 0 | |
| 11 PM | Clear | 73° | 74° | 4% | 4 mph SW | 65% | 0 |
Santa Ana hourly weather - Monday, August 17
In Santa Ana, expect a high near 86°F (30°C) around 2 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° | 74° | 4% | 3 mph SSW | 65% | 0 | |
| 1 AM | Clear | 72° | 74° | 5% | 4 mph SSW | 66% | 0 | |
| 2 AM | Clear | 72° | 73° | 5% | 4 mph SSE | 67% | 0 | |
| 3 AM | Clear | 72° | 73° | 5% | 3 mph SSW | 66% | 0 | |
| 4 AM | Clear | 71° | 72° | 5% | 3 mph SW | 68% | 0 | |
| 5 AM | Clear | 71° | 72° | 6% | 3 mph SW | 69% | 0 | |
| 6 AM | Clear | 70° | 72° | 6% | 3 mph SW | 70% | 0 | |
| 7 AM | Sunny | 72° | 75° | 5% | 1 mph SSE | 69% | 0 | |
| 8 AM | Sunny | 74° | 76° | 3% | 2 mph SW | 60% | 1 | |
| 9 AM | Sunny | 77° | 78° | 2% | 3 mph SW | 53% | 3 | |
| 10 AM | Sunny | 80° | 80° | 1% | 5 mph WSW | 47% | 5 | |
| 11 AM | Sunny | 82° | 82° | 1% | 6 mph WSW | 43% | 8 | |
| 12 PM | Sunny | 84° | 82° | 1% | 8 mph WSW | 40% | 10 | |
| 1 PM | Sunny | 85° | 83° | 1% | 8 mph WSW | 38% | 10 | |
| 2 PM | Sunny | 86° | 83° | 1% | 10 mph WSW | 38% | 9 | |
| 3 PM | Sunny | 86° | 83° | 1% | 10 mph WSW | 40% | 7 | |
| 4 PM | Sunny | 85° | 85° | 1% | 10 mph WSW | 40% | 5 | |
| 5 PM | Sunny | 85° | 84° | 1% | 8 mph WSW | 40% | 2 | |
| 6 PM | Sunny | 83° | 83° | 1% | 9 mph SW | 44% | 1 | |
| 7 PM | Sunny | 80° | 81° | 2% | 7 mph SW | 48% | 0 | |
| 8 PM | Clear | 78° | 79° | 2% | 5 mph SSW | 53% | 0 | |
| 9 PM | Clear | 77° | 77° | 3% | 6 mph SW | 57% | 0 | |
| 10 PM | Clear | 76° | 77° | 4% | 5 mph SSW | 61% | 0 | |
| 11 PM | Clear | 75° | 77° | 4% | 4 mph SSW | 63% | 0 |
Santa Ana hourly weather - Tuesday, August 18
In Santa Ana, expect a high near 88°F (31°C) around 3 PM and a low of 72°F (22°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 75° | 76° | 4% | 4 mph SSW | 64% | 0 | |
| 1 AM | Clear | 74° | 76° | 4% | 4 mph SSW | 65% | 0 | |
| 2 AM | Clear | 74° | 75° | 5% | 4 mph SSW | 66% | 0 | |
| 3 AM | Clear | 73° | 75° | 5% | 3 mph S | 66% | 0 | |
| 4 AM | Clear | 73° | 75° | 5% | 3 mph SSW | 66% | 0 | |
| 5 AM | Clear | 73° | 75° | 5% | 2 mph S | 67% | 0 | |
| 6 AM | Clear | 72° | 75° | 5% | 2 mph SSW | 67% | 0 | |
| 7 AM | Sunny | 74° | 77° | 4% | 2 mph SE | 64% | 0 | |
| 8 AM | Sunny | 77° | 80° | 3% | 3 mph SSW | 57% | 1 | |
| 9 AM | Sunny | 79° | 81° | 2% | 4 mph SSW | 54% | 3 | |
| 10 AM | Sunny | 82° | 83° | 1% | 4 mph SSW | 48% | 5 | |
| 11 AM | Sunny | 85° | 85° | 1% | 6 mph SW | 44% | 8 | |
| 12 PM | Sunny | 87° | 86° | 1% | 7 mph SW | 41% | 10 | |
| 1 PM | Sunny | 88° | 87° | 1% | 8 mph SW | 40% | 10 | |
| 2 PM | Sunny | 88° | 86° | 1% | 8 mph SW | 40% | 9 | |
| 3 PM | Sunny | 88° | 87° | 1% | 8 mph SW | 38% | 7 | |
| 4 PM | Sunny | 88° | 86° | 1% | 9 mph SW | 38% | 4 | |
| 5 PM | Sunny | 86° | 86° | 1% | 9 mph SW | 42% | 2 | |
| 6 PM | Sunny | 83° | 84° | 1% | 8 mph SW | 48% | 1 | |
| 7 PM | Sunny | 81° | 82° | 2% | 6 mph SW | 52% | 0 | |
| 8 PM | Clear | 80° | 81° | 2% | 5 mph SSW | 52% | 0 | |
| 9 PM | Clear | 78° | 80° | 3% | 4 mph SSW | 59% | 0 | |
| 10 PM | Clear | 77° | 79° | 3% | 4 mph SW | 60% | 0 | |
| 11 PM | Clear | 76° | 78° | 4% | 5 mph SW | 62% | 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 6 AM up to 86°F (30°C) near 2 PM - right in line with the typical August high of 85°F (29°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 10 (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.