San Francisco, CA Hourly Forecast
San Francisco temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 63°
- Coolest hour: 6 AM - around 58°
- Highest rain chance: 9 AM (26%) - pack accordingly
- UV peak: 1 PM at index 6 - sun protection recommended
- Windiest: 6 PM at 16 mph
San Francisco hourly weather - Tuesday, September 15
In San Francisco, expect a high near 63°F (17°C) around 2 PM and a low of 59°F (15°C) near 10 PM; precipitation risk peaks at 21% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 63° | 57° | 8% | 12 mph SW | 73% | 6 | |
| 2 PM | Sunny | 63° | 56° | 8% | 14 mph SW | 73% | 6 | |
| 3 PM | Sunny | 62° | 55° | 9% | 15 mph WSW | 75% | 5 | |
| 4 PM | Sunny | 62° | 55° | 9% | 14 mph WSW | 77% | 3 | |
| 5 PM | Sunny | 62° | 54° | 10% | 16 mph WSW | 78% | 2 | |
| 6 PM | Partly Cloudy | 61° | 53° | 13% | 16 mph WSW | 82% | 0 | |
| 7 PM | Partly Cloudy | 60° | 53° | 16% | 14 mph WSW | 84% | 0 | |
| 8 PM | Partly Cloudy | 59° | 54° | 15% | 12 mph WSW | 84% | 0 | |
| 9 PM | Partly Cloudy | 59° | 53° | 17% | 13 mph WSW | 84% | 0 | |
| 10 PM | Partly Cloudy | 59° | 52° | 18% | 13 mph WSW | 85% | 0 | |
| 11 PM | Cloudy | 59° | 52° | 21% | 13 mph WSW | 84% | 0 |
San Francisco hourly weather - Wednesday, September 16
In San Francisco, expect a high near 62°F (17°C) around 10 PM and a low of 58°F (15°C) near 6 AM; precipitation risk peaks at 29% around 7 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Cloudy | 59° | 53° | 19% | 13 mph SW | 83% | 0 | |
| 1 AM | Cloudy | 59° | 53° | 21% | 14 mph SW | 82% | 0 | |
| 2 AM | Patchy rain nearby | 59° | 53° | 23% | 14 mph SW | 83% | 0 | |
| 3 AM | Patchy rain nearby | 59° | 53° | 19% | 13 mph SW | 83% | 0 | |
| 4 AM | Partly Cloudy | 59° | 53° | 16% | 13 mph SSW | 85% | 0 | |
| 5 AM | Partly Cloudy | 59° | 53° | 16% | 12 mph SSW | 86% | 0 | |
| 6 AM | Partly Cloudy | 58° | 53° | 18% | 12 mph SSW | 86% | 0 | |
| 7 AM | Cloudy | 58° | 52° | 23% | 12 mph SW | 86% | 0 | |
| 8 AM | Overcast | 58° | 53° | 24% | 12 mph SW | 84% | 0 | |
| 9 AM | Patchy rain nearby | 59° | 53° | 26% | 12 mph SW | 83% | 1 | |
| 10 AM | Patchy rain nearby | 59° | 53° | 26% | 12 mph WSW | 83% | 2 | |
| 11 AM | Patchy rain nearby | 59° | 52° | 26% | 13 mph WSW | 82% | 3 | |
| 12 PM | Patchy rain nearby | 60° | 52° | 25% | 15 mph W | 80% | 4 | |
| 1 PM | Partly Cloudy | 60° | 53° | 13% | 16 mph W | 79% | 5 | |
| 2 PM | Patchy rain nearby | 61° | 53° | 17% | 16 mph W | 76% | 5 | |
| 3 PM | Patchy rain nearby | 62° | 55° | 14% | 14 mph W | 76% | 4 | |
| 4 PM | Patchy rain nearby | 62° | 56° | 20% | 13 mph WSW | 77% | 3 | |
| 5 PM | Patchy rain nearby | 62° | 56° | 24% | 12 mph WSW | 78% | 1 | |
| 6 PM | Patchy rain nearby | 62° | 57° | 26% | 12 mph WSW | 80% | 0 | |
| 7 PM | Patchy rain nearby | 61° | 56° | 29% | 13 mph WSW | 82% | 0 | |
| 8 PM | Patchy rain nearby | 62° | 57° | 26% | 12 mph WSW | 78% | 0 | |
| 9 PM | Patchy rain nearby | 62° | 57° | 24% | 12 mph W | 76% | 0 | |
| 10 PM | Patchy rain nearby | 62° | 57° | 22% | 12 mph W | 73% | 0 | |
| 11 PM | Patchy rain nearby | 62° | 57° | 22% | 11 mph WSW | 73% | 0 |
San Francisco hourly weather - Thursday, September 17
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 28% around 4 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 62° | 57° | 24% | 10 mph WSW | 76% | 0 | |
| 1 AM | Patchy rain nearby | 62° | 57° | 24% | 10 mph WSW | 78% | 0 | |
| 2 AM | Patchy rain nearby | 61° | 58° | 26% | 9 mph SW | 79% | 0 | |
| 3 AM | Patchy rain nearby | 61° | 58° | 26% | 9 mph SW | 80% | 0 | |
| 4 AM | Patchy rain nearby | 61° | 58° | 28% | 8 mph SW | 80% | 0 | |
| 5 AM | Patchy rain nearby | 61° | 58° | 28% | 8 mph SSW | 80% | 0 | |
| 6 AM | Patchy rain nearby | 61° | 59° | 26% | 7 mph SSW | 80% | 0 | |
| 7 AM | Patchy rain nearby | 61° | 59° | 26% | 7 mph S | 79% | 0 | |
| 8 AM | Patchy rain nearby | 62° | 60° | 25% | 6 mph S | 78% | 0 | |
| 9 AM | Patchy rain nearby | 62° | 60° | 23% | 5 mph S | 75% | 0 | |
| 10 AM | Patchy rain nearby | 63° | 62° | 15% | 4 mph SSW | 73% | 1 | |
| 11 AM | Partly Cloudy | 64° | 63° | 8% | 4 mph SW | 69% | 4 | |
| 12 PM | Sunny | 65° | 63° | 5% | 6 mph WSW | 69% | 6 | |
| 1 PM | Sunny | 65° | 62° | 5% | 7 mph WSW | 68% | 6 | |
| 2 PM | Sunny | 65° | 62° | 5% | 9 mph WSW | 68% | 6 | |
| 3 PM | Sunny | 66° | 61° | 5% | 10 mph WSW | 68% | 5 | |
| 4 PM | Sunny | 65° | 61° | 5% | 11 mph WSW | 68% | 3 | |
| 5 PM | Sunny | 65° | 60° | 6% | 12 mph W | 70% | 1 | |
| 6 PM | Sunny | 64° | 59° | 6% | 12 mph W | 72% | 0 | |
| 7 PM | Sunny | 63° | 58° | 8% | 12 mph WNW | 77% | 0 | |
| 8 PM | Clear | 62° | 58° | 9% | 10 mph WNW | 80% | 0 | |
| 9 PM | Clear | 61° | 59° | 10% | 7 mph WNW | 81% | 0 | |
| 10 PM | Clear | 61° | 59° | 10% | 7 mph W | 82% | 0 | |
| 11 PM | Clear | 61° | 59° | 10% | 6 mph WNW | 83% | 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 58°F (15°C) around 6 AM up to 63°F (17°C) near 2 PM - about 7°F (4°C) below the typical September high of 70°F (21°C).
A stray shower can't be ruled out - Rain chances top out at 26% around 9 AM. Wind picks up to 16 mph (26 km/h) from the WSW near 6 PM. UV reaches 6 (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.