San Francisco weather
Loading live data…Latest for San Francisco: NWS (National Blend (NBM)): 60° Mainly clear · American (NOAA GFS): 59° Clear · European (ECMWF): 58° Clear.
The weather map: all three models at once
NWS, American, European side by side around San Francisco and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitSan Francisco, CA. Below we compare what NWS, American, European forecast for San Francisco right now and flag exactly where they disagree, then break down San Francisco's weather month by month and which forecast model has been most accurate here.
San Francisco weather by month
what to expect in San Francisco through the yearHere is San Francisco's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to San Francisco by season.
What San Francisco's weather is like through the year
San Francisco runs from warm summers, with October highs near 73°F, to cool winters, when February lows sit around 45°F (a swing of about 28°F across the year). January is usually the wettest month, and San Francisco sees roughly 33 inches of precipitation annually.
Best time to visit San Francisco
The most comfortable time to visit San Francisco is usually May, June, July and August, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.
Which forecast is most accurate in San Francisco?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.
Bottom line: over the last 30 days the European model has been the most accurate forecast for San Francisco, scoring 89/100 on our CheckWeather Score, ahead of the American at 73. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
What's the weather in San Francisco today?
Will it rain in San Francisco today or tomorrow?
Which forecast is most accurate for San Francisco?
What is the warmest month in San Francisco?
How cold does San Francisco get?
How much rain does San Francisco get?
When is the best time to visit San Francisco?
Does it snow in San Francisco?
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.