Weather in San Francisco
Live weather and 7-day forecast for San Francisco, United States, followed by what to expect in each month of the year.
Sunrise 07:25 Sunset 18:24 Daylight 10h 59m Sun times →
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7-day forecast
Forecast data from Open-Meteo
Climate in San Francisco: month by month
Averaged over 2023–2025, the warmest month in San Francisco is October, with highs around 23 °C (73 °F) and lows around 13 °C (56 °F); the coolest is February, with highs around 14 °C (58 °F) and lows around 8 °C (46 °F).
San Francisco gets about 735 mm (29 in) of precipitation a year. The wettest month is March (150 mm over about 15 days) and the driest is June (0 mm).
| Month | Avg high | Avg low | Precipitation (in) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 58° | 46° | 5.4 | 12 | 9h 50m |
| February | 58° | 46° | 5.6 | 12 | 10h 49m |
| March | 58° | 48° | 5.9 | 15 | 11h 56m |
| April | 61° | 49° | 0.6 | 3 | 13h 10m |
| May | 64° | 52° | 0.7 | 3 | 14h 12m |
| June | 66° | 54° | 0.0 | 0 | 14h 46m |
| July | 67° | 55° | 0.0 | 0 | 14h 32m |
| August | 70° | 57° | 0.0 | 0 | 13h 38m |
| September | 70° | 58° | 0.2 | 1 | 12h 27m |
| October | 73° | 56° | 0.7 | 3 | 11h 15m |
| November | 63° | 51° | 4.1 | 8 | 10h 9m |
| December | 58° | 48° | 5.7 | 11 | 9h 34m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at San Francisco's coordinates (model elevation 18 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for San Francisco
What is the hottest month in San Francisco?
October, with average highs of 23 °C (73 °F) and lows of 13 °C (56 °F) over 2023–2025. The coolest month is February, averaging 14 °C (58 °F) by day and 8 °C (46 °F) at night.
What is the rainiest month in San Francisco?
March, with about 150 mm of precipitation on roughly 15 days. The driest month is June (0 mm), and the yearly total is around 735 mm.
When is the weather mildest in San Francisco?
Going by the averages, May–October are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. March is the month most likely to bring rain.
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are San Francisco local time (America/Los_Angeles).