Santa Ana, CA Hourly Forecast
Santa Ana temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 100°
- Coolest hour: 7 AM - around 77°
- Rain risk: low all day (peaks at 1%)
- UV peak: 1 PM at index 7 - sun protection recommended
- Windiest: 3 PM at 12 mph
Santa Ana hourly weather - Monday, October 5
In Santa Ana, expect a high near 100°F (38°C) around 2 PM and a low of 84°F (29°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 PM | Sunny | 99° | 95° | 0% | 5 mph W | 17% | 7 | |
| 1 PM | Sunny | 100° | 94° | 0% | 8 mph W | 17% | 7 | |
| 2 PM | Sunny | 100° | 93° | 0% | 11 mph W | 17% | 7 | |
| 3 PM | Sunny | 99° | 92° | 0% | 12 mph W | 18% | 5 | |
| 4 PM | Sunny | 98° | 91° | 0% | 12 mph W | 19% | 3 | |
| 5 PM | Sunny | 96° | 91° | 0% | 9 mph W | 20% | 1 | |
| 6 PM | Sunny | 94° | 89° | 0% | 8 mph W | 23% | 0 | |
| 7 PM | Clear | 89° | 86° | 0% | 6 mph W | 27% | 0 | |
| 8 PM | Clear | 87° | 86° | 0% | 3 mph W | 30% | 0 | |
| 9 PM | Clear | 86° | 85° | 0% | 3 mph S | 30% | 0 | |
| 10 PM | Clear | 85° | 83° | 0% | 5 mph SE | 31% | 0 | |
| 11 PM | Clear | 84° | 81° | 1% | 5 mph SSE | 31% | 0 |
Santa Ana hourly weather - Tuesday, October 6
In Santa Ana, expect a high near 97°F (36°C) around 2 PM and a low of 77°F (25°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 82° | 80° | 1% | 4 mph SSE | 32% | 0 | |
| 1 AM | Clear | 81° | 79° | 1% | 4 mph SSE | 35% | 0 | |
| 2 AM | Clear | 80° | 78° | 1% | 3 mph SSE | 38% | 0 | |
| 3 AM | Clear | 78° | 78° | 1% | 3 mph SSE | 40% | 0 | |
| 4 AM | Clear | 78° | 78° | 1% | 3 mph SE | 40% | 0 | |
| 5 AM | Clear | 78° | 77° | 1% | 2 mph SE | 40% | 0 | |
| 6 AM | Clear | 77° | 76° | 1% | 2 mph SE | 40% | 0 | |
| 7 AM | Sunny | 77° | 76° | 1% | 2 mph SE | 40% | 0 | |
| 8 AM | Sunny | 83° | 83° | 1% | 2 mph SE | 35% | 0 | |
| 9 AM | Sunny | 88° | 88° | 0% | 1 mph S | 29% | 1 | |
| 10 AM | Sunny | 91° | 90° | 0% | 2 mph WSW | 26% | 3 | |
| 11 AM | Sunny | 93° | 92° | 0% | 4 mph WSW | 24% | 5 | |
| 12 PM | Sunny | 96° | 93° | 0% | 5 mph WSW | 22% | 7 | |
| 1 PM | Sunny | 97° | 93° | 0% | 7 mph WSW | 20% | 7 | |
| 2 PM | Sunny | 97° | 92° | 0% | 9 mph WSW | 21% | 6 | |
| 3 PM | Sunny | 96° | 92° | 0% | 9 mph WSW | 22% | 5 | |
| 4 PM | Sunny | 96° | 92° | 0% | 7 mph WSW | 22% | 3 | |
| 5 PM | Sunny | 94° | 91° | 0% | 7 mph WSW | 23% | 1 | |
| 6 PM | Sunny | 92° | 89° | 0% | 6 mph WSW | 26% | 0 | |
| 7 PM | Clear | 88° | 87° | 0% | 4 mph WSW | 30% | 0 | |
| 8 PM | Clear | 85° | 84° | 1% | 3 mph SSW | 32% | 0 | |
| 9 PM | Clear | 84° | 82° | 1% | 5 mph S | 34% | 0 | |
| 10 PM | Clear | 82° | 80° | 1% | 4 mph S | 37% | 0 | |
| 11 PM | Clear | 80° | 80° | 1% | 4 mph S | 41% | 0 |
Santa Ana hourly weather - Wednesday, October 7
In Santa Ana, expect a high near 95°F (35°C) around 2 PM and a low of 76°F (24°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 79° | 79° | 1% | 4 mph SSW | 45% | 0 | |
| 1 AM | Clear | 78° | 78° | 1% | 3 mph SSW | 48% | 0 | |
| 2 AM | Clear | 76° | 77° | 2% | 3 mph SSW | 50% | 0 | |
| 3 AM | Clear | 76° | 77° | 2% | 2 mph SSW | 51% | 0 | |
| 4 AM | Clear | 76° | 77° | 2% | 1 mph SSE | 49% | 0 | |
| 5 AM | Clear | 76° | 77° | 1% | 1 mph SE | 47% | 0 | |
| 6 AM | Clear | 76° | 76° | 1% | 1 mph SE | 46% | 0 | |
| 7 AM | Sunny | 76° | 76° | 1% | 2 mph SSE | 45% | 0 | |
| 8 AM | Sunny | 82° | 82° | 1% | 2 mph S | 40% | 0 | |
| 9 AM | Sunny | 86° | 86° | 1% | 2 mph SW | 35% | 1 | |
| 10 AM | Sunny | 89° | 88° | 1% | 3 mph WSW | 32% | 3 | |
| 11 AM | Sunny | 91° | 90° | 0% | 5 mph WSW | 29% | 5 | |
| 12 PM | Sunny | 94° | 92° | 0% | 6 mph WSW | 27% | 7 | |
| 1 PM | Sunny | 95° | 92° | 0% | 7 mph WSW | 26% | 7 | |
| 2 PM | Sunny | 95° | 92° | 0% | 8 mph WSW | 26% | 6 | |
| 3 PM | Sunny | 95° | 91° | 0% | 8 mph WSW | 25% | 5 | |
| 4 PM | Sunny | 94° | 90° | 0% | 8 mph WSW | 26% | 2 | |
| 5 PM | Sunny | 91° | 88° | 0% | 7 mph WSW | 29% | 1 | |
| 6 PM | Sunny | 88° | 86° | 1% | 6 mph SW | 34% | 0 | |
| 7 PM | Clear | 84° | 84° | 1% | 5 mph SW | 40% | 0 | |
| 8 PM | Clear | 82° | 82° | 1% | 4 mph SSW | 44% | 0 | |
| 9 PM | Clear | 81° | 81° | 1% | 4 mph SSW | 47% | 0 | |
| 10 PM | Clear | 80° | 81° | 2% | 3 mph SSW | 49% | 0 | |
| 11 PM | Clear | 78° | 79° | 2% | 2 mph SW | 50% | 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 77°F (25°C) around 7 AM up to 100°F (38°C) near 2 PM - about 20°F (11°C) above the typical October high of 80°F (27°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 7 (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.