San Francisco, CA Hourly Forecast
San Francisco temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 78°
- Coolest hour: 7 AM - around 62°
- Rain risk: low all day (peaks at 17%)
- UV peak: 1 PM at index 9 - sun protection recommended
- Windiest: 6 PM at 12 mph
San Francisco hourly weather - Wednesday, August 26
In San Francisco, expect a high near 78°F (26°C) around 12 PM and a low of 64°F (18°C) near 11 PM; precipitation risk peaks at 17% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 11 AM | Sunny | 77° | 77° | 3% | 5 mph WSW | 55% | 6 | |
| 12 PM | Sunny | 78° | 78° | 2% | 7 mph WSW | 50% | 8 | |
| 1 PM | Sunny | 77° | 75° | 2% | 9 mph W | 50% | 9 | |
| 2 PM | Sunny | 65° | 61° | 5% | 9 mph W | 65% | 8 | |
| 3 PM | Sunny | 66° | 62° | 4% | 10 mph WSW | 65% | 7 | |
| 4 PM | Sunny | 66° | 61° | 4% | 11 mph W | 64% | 4 | |
| 5 PM | Sunny | 67° | 62° | 4% | 11 mph W | 65% | 2 | |
| 6 PM | Sunny | 66° | 61° | 6% | 12 mph W | 69% | 1 | |
| 7 PM | Sunny | 66° | 62° | 7% | 11 mph W | 73% | 0 | |
| 8 PM | Partly Cloudy | 65° | 62° | 11% | 9 mph W | 77% | 0 | |
| 9 PM | Cloudy | 65° | 63° | 17% | 8 mph W | 80% | 0 | |
| 10 PM | Partly Cloudy | 64° | 62° | 12% | 8 mph W | 81% | 0 | |
| 11 PM | Clear | 64° | 62° | 11% | 8 mph WNW | 83% | 0 |
San Francisco hourly weather - Thursday, August 27
In San Francisco, expect a high near 66°F (19°C) around 3 PM and a low of 61°F (16°C) near 11 PM; precipitation risk peaks at 22% around 10 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 63° | 62° | 11% | 7 mph WNW | 84% | 0 | |
| 1 AM | Clear | 63° | 62° | 11% | 5 mph WNW | 85% | 0 | |
| 2 AM | Clear | 62° | 62° | 12% | 4 mph WNW | 86% | 0 | |
| 3 AM | Clear | 62° | 63° | 12% | 4 mph W | 87% | 0 | |
| 4 AM | Clear | 62° | 62° | 12% | 3 mph W | 87% | 0 | |
| 5 AM | Clear | 62° | 62° | 12% | 3 mph W | 87% | 0 | |
| 6 AM | Clear | 62° | 62° | 12% | 3 mph W | 87% | 0 | |
| 7 AM | Sunny | 62° | 62° | 12% | 3 mph W | 86% | 0 | |
| 8 AM | Sunny | 62° | 63° | 11% | 3 mph WSW | 83% | 1 | |
| 9 AM | Sunny | 63° | 63° | 9% | 4 mph WSW | 79% | 2 | |
| 10 AM | Sunny | 64° | 63° | 9% | 6 mph W | 76% | 4 | |
| 11 AM | Sunny | 65° | 63° | 9% | 8 mph WSW | 75% | 6 | |
| 12 PM | Patchy rain nearby | 65° | 63° | 20% | 8 mph WSW | 74% | 8 | |
| 1 PM | Cloudy | 65° | 60° | 15% | 11 mph WSW | 74% | 9 | |
| 2 PM | Overcast | 65° | 61° | 19% | 11 mph W | 72% | 8 | |
| 3 PM | Overcast | 66° | 61° | 18% | 12 mph W | 69% | 7 | |
| 4 PM | Overcast | 66° | 61° | 17% | 13 mph W | 68% | 4 | |
| 5 PM | Overcast | 65° | 60° | 18% | 12 mph W | 69% | 2 | |
| 6 PM | Overcast | 65° | 59° | 17% | 13 mph W | 68% | 1 | |
| 7 PM | Overcast | 65° | 60° | 18% | 11 mph WNW | 68% | 0 | |
| 8 PM | Overcast | 64° | 61° | 18% | 8 mph W | 69% | 0 | |
| 9 PM | Overcast | 63° | 58° | 19% | 10 mph WSW | 72% | 0 | |
| 10 PM | Overcast | 62° | 56° | 22% | 12 mph W | 76% | 0 | |
| 11 PM | Overcast | 61° | 57° | 22% | 10 mph WSW | 78% | 0 |
San Francisco hourly weather - Friday, August 28
In San Francisco, expect a high near 64°F (18°C) around 4 PM and a low of 59°F (15°C) near 10 PM; precipitation risk peaks at 28% around 6 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 60° | 54° | 23% | 14 mph SW | 80% | 0 | |
| 1 AM | Overcast | 60° | 54° | 24% | 13 mph W | 81% | 0 | |
| 2 AM | Overcast | 60° | 56° | 25% | 9 mph W | 82% | 0 | |
| 3 AM | Overcast | 60° | 55° | 26% | 10 mph W | 84% | 0 | |
| 4 AM | Overcast | 60° | 59° | 25% | 4 mph WSW | 82% | 0 | |
| 5 AM | Overcast | 60° | 57° | 26% | 8 mph WSW | 84% | 0 | |
| 6 AM | Overcast | 59° | 56° | 28% | 9 mph WSW | 87% | 0 | |
| 7 AM | Overcast | 59° | 56° | 28% | 9 mph WSW | 88% | 3 | |
| 8 AM | Overcast | 59° | 56° | 27% | 8 mph WSW | 86% | 4 | |
| 9 AM | Overcast | 59° | 55° | 27% | 10 mph WSW | 85% | 4 | |
| 10 AM | Overcast | 59° | 55° | 27% | 10 mph W | 85% | 4 | |
| 11 AM | Overcast | 60° | 56° | 23% | 9 mph WSW | 82% | 4 | |
| 12 PM | Overcast | 61° | 57° | 22% | 10 mph WSW | 78% | 4 | |
| 1 PM | Sunny | 62° | 56° | 8% | 12 mph WSW | 75% | 5 | |
| 2 PM | Sunny | 62° | 56° | 7% | 12 mph W | 74% | 5 | |
| 3 PM | Sunny | 63° | 56° | 7% | 14 mph W | 71% | 5 | |
| 4 PM | Sunny | 64° | 56° | 7% | 16 mph W | 71% | 5 | |
| 5 PM | Sunny | 63° | 55° | 7% | 16 mph W | 72% | 5 | |
| 6 PM | Sunny | 62° | 55° | 9% | 14 mph W | 77% | 5 | |
| 7 PM | Sunny | 61° | 55° | 10% | 12 mph W | 81% | 5 | |
| 8 PM | Clear | 60° | 55° | 12% | 11 mph W | 85% | 0 | |
| 9 PM | Clear | 59° | 54° | 12% | 11 mph W | 86% | 0 | |
| 10 PM | Clear | 59° | 53° | 12% | 12 mph W | 87% | 0 | |
| 11 PM | Clear | 59° | 53° | 12% | 13 mph W | 87% | 0 |
Quick answers for the hours ahead
What is the warmest hour in San Francisco today?
Will it rain in San Francisco tonight?
When is the UV index highest in San Francisco today?
San Francisco hour-by-hour: what to expect
Over the next 24 hours in San Francisco, temperatures range from 62°F (16°C) around 7 AM up to 78°F (26°C) near 12 PM - about 10°F (6°C) above the typical August high of 68°F (20°C).
A stray shower can't be ruled out - Rain chances top out at 17% around 9 PM. UV reaches 9 (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 Francisco 14-day forecast or the monthly climate averages.