San Diego, CA Hourly Forecast
San Diego temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 78°
- Coolest hour: 3 AM - around 70°
- Highest rain chance: 9 AM (43%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 2 PM at 8 mph
San Diego hourly weather - Wednesday, August 26
In San Diego, expect a high near 74°F (23°C) around 8 PM and a low of 72°F (22°C) near 11 PM; precipitation risk peaks at 29% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 8 PM | Overcast | 74° | 78° | 26% | 5 mph WSW | 84% | 0 | |
| 9 PM | Overcast | 73° | 76° | 27% | 6 mph WSW | 88% | 0 | |
| 10 PM | Overcast | 73° | 78° | 28% | 4 mph SSW | 88% | 0 | |
| 11 PM | Overcast | 72° | 76° | 29% | 6 mph SSW | 90% | 0 |
San Diego hourly weather - Thursday, August 27
In San Diego, expect a high near 78°F (26°C) around 12 PM and a low of 70°F (21°C) near 3 AM; precipitation risk peaks at 43% around 9 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 71° | 75° | 31% | 5 mph SSE | 92% | 0 | |
| 1 AM | Overcast | 71° | 74° | 31% | 7 mph S | 92% | 0 | |
| 2 AM | Overcast | 70° | 73° | 31% | 7 mph S | 92% | 0 | |
| 3 AM | Overcast | 70° | 73° | 31% | 6 mph S | 93% | 0 | |
| 4 AM | Cloudy | 74° | 77° | 18% | 6 mph SSE | 80% | 0 | |
| 5 AM | Overcast | 74° | 76° | 23% | 7 mph S | 80% | 0 | |
| 6 AM | Overcast | 74° | 76° | 24% | 6 mph SSW | 80% | 0 | |
| 7 AM | Overcast | 74° | 76° | 24% | 6 mph S | 80% | 0 | |
| 8 AM | Overcast | 74° | 77° | 21% | 6 mph SSE | 78% | 1 | |
| 9 AM | Light drizzle | 75° | 77° | 43% | 7 mph SSW | 76% | 2 | |
| 10 AM | Partly Cloudy | 76° | 78° | 10% | 7 mph SSW | 75% | 5 | |
| 11 AM | Sunny | 77° | 79° | 7% | 6 mph SSW | 71% | 7 | |
| 12 PM | Cloudy | 78° | 81° | 13% | 6 mph SW | 66% | 8 | |
| 1 PM | Overcast | 78° | 80° | 17% | 8 mph SW | 67% | 8 | |
| 2 PM | Overcast | 78° | 79° | 17% | 8 mph SSW | 69% | 7 | |
| 3 PM | Overcast | 77° | 79° | 18% | 8 mph SSW | 71% | 5 | |
| 4 PM | Overcast | 76° | 78° | 19% | 8 mph SSW | 73% | 3 | |
| 5 PM | Overcast | 76° | 78° | 19% | 7 mph SSW | 73% | 1 | |
| 6 PM | Overcast | 76° | 78° | 19% | 6 mph SSW | 73% | 0 | |
| 7 PM | Overcast | 75° | 78° | 20% | 6 mph SSW | 75% | 0 | |
| 8 PM | Overcast | 75° | 78° | 19% | 5 mph SSW | 76% | 0 | |
| 9 PM | Overcast | 75° | 79° | 21% | 4 mph SW | 76% | 0 | |
| 10 PM | Overcast | 75° | 80° | 20% | 2 mph SW | 75% | 0 | |
| 11 PM | Smoky haze | 75° | 80° | 20% | 3 mph S | 74% | 0 |
San Diego hourly weather - Friday, August 28
In San Diego, expect a high near 81°F (27°C) around 12 PM and a low of 75°F (24°C) near 12 AM; precipitation risk peaks at 20% around 12 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 75° | 80° | 20% | 2 mph SW | 74% | 0 | |
| 1 AM | Overcast | 75° | 80° | 20% | 2 mph WNW | 73% | 0 | |
| 2 AM | Overcast | 75° | 80° | 20% | 3 mph WNW | 74% | 0 | |
| 3 AM | Cloudy | 76° | 81° | 15% | 2 mph NW | 74% | 0 | |
| 4 AM | Partly Cloudy | 76° | 82° | 13% | 1 mph ENE | 74% | 0 | |
| 5 AM | Clear | 76° | 82° | 7% | 2 mph NW | 74% | 0 | |
| 6 AM | Clear | 76° | 80° | 7% | 4 mph NW | 73% | 0 | |
| 7 AM | Sunny | 77° | 82° | 7% | 2 mph NW | 73% | 6 | |
| 8 AM | Sunny | 78° | 81° | 5% | 4 mph W | 69% | 7 | |
| 9 AM | Sunny | 78° | 81° | 5% | 7 mph WNW | 67% | 7 | |
| 10 AM | Sunny | 80° | 82° | 4% | 7 mph WNW | 65% | 7 | |
| 11 AM | Sunny | 80° | 83° | 4% | 6 mph W | 63% | 7 | |
| 12 PM | Sunny | 81° | 83° | 4% | 7 mph WSW | 61% | 7 | |
| 1 PM | Overcast | 80° | 82° | 14% | 8 mph WNW | 58% | 6 | |
| 2 PM | Overcast | 79° | 81° | 14% | 10 mph WNW | 61% | 6 | |
| 3 PM | Overcast | 79° | 81° | 15% | 9 mph WNW | 62% | 6 | |
| 4 PM | Overcast | 80° | 82° | 14% | 8 mph WNW | 60% | 6 | |
| 5 PM | Overcast | 79° | 81° | 15% | 8 mph WNW | 61% | 6 | |
| 6 PM | Overcast | 79° | 80° | 15% | 9 mph NW | 64% | 6 | |
| 7 PM | Overcast | 78° | 79° | 17% | 8 mph NW | 68% | 6 | |
| 8 PM | Overcast | 78° | 79° | 18% | 7 mph NW | 70% | 0 | |
| 9 PM | Clear | 78° | 82° | 6% | 3 mph W | 71% | 0 | |
| 10 PM | Clear | 78° | 82° | 6% | 4 mph W | 71% | 0 | |
| 11 PM | Clear | 77° | 82° | 6% | 4 mph W | 72% | 0 |
Quick answers for the hours ahead
What is the warmest hour in San Diego today?
Will it rain in San Diego tonight?
When is the UV index highest in San Diego today?
San Diego hour-by-hour: what to expect
Over the next 24 hours in San Diego, temperatures range from 70°F (21°C) around 3 AM up to 78°F (26°C) near 12 PM - right in line with the typical August high of 78°F (26°C).
Precipitation is a real possibility: the chance of rain peaks at 43% around 9 AM. 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 San Diego 14-day forecast or the monthly climate averages.