NWS, American, European side by side around Santa Rosa 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
Santa Rosa, CA is at its warmest in Jul (average highs near 89°F) and coldest in Feb (lows around 41°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Santa Rosa right now, and see exactly where they disagree.
Santa Rosa climate by month
average daytime high and overnight low across a typical year
Jan
58°
43°
Feb
58°
41°
Mar
59°
42°
Apr
68°
45°
May
73°
50°
Jun
81°
54°
Jul
89°
57°
Aug
86°
58°
Sep
82°
55°
Oct
80°
54°
Nov
65°
45°
Dec
61°
45°
Common questions
What's the weather in Santa Rosa today?
On this page we show what NWS, American, European each forecast for Santa Rosa 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 Santa Rosa today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Santa Rosa 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 Santa Rosa?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Santa Rosa 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 Santa Rosa?
Jul is typically the warmest month in Santa Rosa, with average highs around 89°F.
How cold does Santa Rosa get?
The coldest month in Santa Rosa is Feb, when overnight lows average about 41°F.
How much rain does Santa Rosa get?
Santa Rosa sees roughly 42 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.