NWS, American, European side by side around San Francisco and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
San Francisco, CA is at its warmest in Oct (average highs near 73°F) and coldest in Feb (lows around 45°F), with roughly 33 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Francisco right now, and see exactly where they disagree.
San Francisco climate by month
average daytime high and overnight low across a typical year
Jan
57°
47°
Feb
56°
45°
Mar
56°
47°
Apr
59°
48°
May
62°
52°
Jun
65°
54°
Jul
68°
56°
Aug
70°
57°
Sep
69°
57°
Oct
73°
55°
Nov
62°
50°
Dec
59°
48°
Common questions
What's the weather in San Francisco today?
On this page we show what NWS, American, European each forecast for San Francisco today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in San Francisco today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Francisco and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for San Francisco?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the San Francisco forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in San Francisco?
Oct is typically the warmest month in San Francisco, with average highs around 73°F.
How cold does San Francisco get?
The coldest month in San Francisco is Feb, when overnight lows average about 45°F.
How much rain does San Francisco get?
San Francisco sees roughly 33 in of precipitation a year, with Jan usually the wettest month.
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.