Santa Rosa, CA Weather Forecast
Right now it is 52°F and light rain and fog/mist in Santa Rosa (as of Tue, 9:25 AM PST). Today: high near 60°F. Tomorrow: patchy fog then sunny, high near 68°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Santa Rosa, Santa Rosa Sonoma County Airport (8 mi from the city center).
Weather tomorrow in Santa Rosa
Patchy Fog then Sunny68°FPatchy fog before 10am. Sunny. High near 68, with temperatures falling to around 64 in the afternoon. North northwest wind 1 to 6 mph.
Partly Cloudy then Patchy Fog45°FPatchy fog after 3am. Partly cloudy, with a low around 45. Northwest wind 1 to 6 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Santa Rosa right now.
7-day forecast
Light Rain
93% chance of rain/snow60°F / 45°FRain. Mostly cloudy. High near 60, with temperatures falling to around 56 in the afternoon. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Tonight: A chance of rain before 10pm, then patchy fog. Mostly cloudy, with a low around 45. Northeast wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Patchy Fog then Sunny68°F / 45°FPatchy fog before 10am. Sunny. High near 68, with temperatures falling to around 64 in the afternoon. North northwest wind 1 to 6 mph. Wednesday Night: Patchy fog after 3am. Partly cloudy, with a low around 45. Northwest wind 1 to 6 mph.
Patchy Fog then Sunny72°F / 45°FPatchy fog before 8am. Sunny, with a high near 72. North northwest wind around 2 mph. Thursday Night: Mostly clear, with a low around 45.
Sunny74°F / 46°FSunny, with a high near 74. Friday Night: Mostly clear, with a low around 46.
Sunny76°F / 47°FSunny, with a high near 76. Saturday Night: Mostly clear, with a low around 47.
Mostly Sunny75°F / 48°FMostly sunny, with a high near 75. Sunday Night: Patchy fog after 5am. Mostly cloudy, with a low around 48.
Patchy Fog then Partly Sunny72°F / 47°FPatchy fog before 8am. Partly sunny, with a high near 72. Monday Night: Mostly cloudy, with a low around 47.
Forecast issued by NWS forecast office MTR · updated Nov 3, 8:31 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Santa Rosa population: 179,437 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Santa Rosa?
Wednesday, November 4: Patchy Fog then Sunny, high near 68°F; night: partly cloudy then patchy fog, low around 45°F.
Where does the Santa Rosa forecast come from?
From the National Weather Service forecast office MTR, which writes the official forecast for Santa Rosa's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Santa Rosa weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Santa Rosa (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.